UP 1915 Steam Roster, Part 6

UP 1370-1499 were blank and not used

OSL 4-6-0 — 2 locomotives

1915 OSL Number	First Number	Second Number	Third Number	Fourth Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1500	OSLRy 35	OSLRy 983	OSL&UN 983	OSL 524	Taunton	902	Dec 1883	5 Dec 1922	1
OSL 1501	OSLRy 30	OSLRy 978	OSL&UN 978	OSL 525	Taunton	897	Nov 1883	30 Sep 1921	2

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches

Cylinders: 18x24 inches

Maximum Tractive Effort: 21,452 pounds

Weight on Drivers: 89,900 pounds

Weight in Working Order (Engine Only): 120,550 pounds

Weight in Working Order (Engine and Tender): 227,783 pounds

Fuel: Coal

General Notes:

a.	Individual locomotive specifications:

1915 OSL Number	As Built Specs.	Later Specs.	Date Rebuilt
OSL 1500	63-18x24	57-18x24	Feb 1898 OSL
OSL 1501	56-18x24	57-18x24	Mar 1898

Notes:

1.	OSL 1500 was built as OSLRy 35 in 1883; to OSLRy 983 in 1885; to OSL&UN 983 in 1889; to OSL 524 in 1897; to UP 1500 in 1915; vacated in 1922 (OSL 1900 list shows an "Engine New" date of February 1898)
2.	OSL 1501 was built as OSLRy 30 in 1883; to OSLRy 978 in 1885; to OSL&UN 978 in 1889; to OSL 525 in 1897; to OSL 1501 in 1915; vacated in 1921 (OSL 1900 list shows an "Engine New" date of March 1898)

OSL 4-6-0 — 1 locomotive

1915 OSL Number	First Number	Second Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1502	INRy 101	OSL 526	Baldwin	30556	Apr 1907	14 Aug 1925	1

Description:

Cabside Class: T-54

Drive Wheel Diameter: 54 inches

Cylinders: 18x24 inches

Maximum Tractive Effort: 22,032 pounds

Weight on Drivers: 88,000 pounds

Weight in Working Order (Engine Only): 120,000 pounds

Weight in Working Order (Engine and Tender): 199,967 pounds

Fuel: Coal

General Notes:

a.	Idaho Northern Railway was sold to OSL on December 31, 1912; merged with OSL on January 6, 1913 (click here for more information about Idaho Northern Railway)

Notes:

1.	OSL 1502 was built as Idaho Northern Railway 101 in 1907; to OSL 526 in 1913; to OSL 1502 in 1915 (leased to Saratoga & Encampment 1917-1919); vacated in 1925

OSL 4-6-0 — 5 locomotives

1915 OSL Number	First Number	Second Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1503	OSL&UN 1418	OSL 602	Rhode Island	2477	Dec 1890	19 Apr 1926	1
OSL 1504	OSL&UN 1419	OSL 603	Rhode Island	2478	Dec 1890	Mar 1928	2
OSL 1505	OSL&UN 1421	OSL 605	Rhode Island	2480	Dec 1890	31 Mar 1925	3
OSL 1506	OSL&UN 1422	OSL 606	Rhode Island	2481	Jan 1891	Jan 1928	4
OSL 1507	OSL&UN 1424	OSL 608	Rhode Island	2483	Jan 1891	7 Dec 1926	5

Description:

Cabside Class: T-62

Drive Wheel Diameter: 62 inches

Cylinders: 19-1/2x24 inches

Maximum Tractive Effort: 21,269 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

Notes:

1.	OSL 1503 was built as OSL&UN 1418 in 1890; to OSL 602 in 1897; to OSL 1503 in 1915; vacated in 1926
2.	OSL 1504 was built as OSL&UN 1419 in 1890; to OSL 603 in 1897; to OSL 1504 in 1915; vacated in 1928
3.	OSL 1505 was built as OSL&UN 1421 in 1890; to OSL 605 in 1897; to OSL 1505 in 1915; vacated in 1925
4.	OSL 1506 was built as OSL&UN 1422 in 1890; to OSL 606 in 1897; to OSL 1506 in 1915; vacated in 1928
5.	OSL 1507 was built as OSL&UN 1424 in 1890; to OSL 608 in 1897; to OSL 1507 in 1915; vacated in 1926

OSL 4-6-0 — 6 locomotives (Belpaire fireboxes)

1915 OSL Number	First Number	Second Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1508	OSL&UN 1459	OSL 611	Rhode Island	2506	Feb 1891	Jan 1928	1
OSL 1509	OSL&UN 1460	OSL 612	Rhode Island	2507	Feb 1891	31 Mar 1925	2
OSL 1510	OSL&UN 1461	OSL 613	Rhode Island	2508	Feb 1891	27 Apr 1925	3
OSL 1511	OSL&UN 1462	OSL 614	Rhode Island	2509	Feb 1891	23 Sep 1926	4
OSL 1512	OSL&UN 1463	OSL 615	Rhode Island	2510	Feb 1891	27 Apr 1925	5
OSL 1513	OSL&UN 1464	OSL 616	Rhode Island	2511	Feb 1891	Jun 1923	6

Description:

Cabside Class: T-62

Drive Wheel Diameter: 62 inches

Cylinders: 19-1/2x24 inches

Maximum Tractive Effort: 21,269 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

General Notes:

a.	OSL 1508-1513 were built with Belpaire fireboxes

Notes:

1.	OSL 1508 was built as OSL&UN 1459 in 1891; to OSL 611 in 1897; to OSL 1508 in 1915; vacated in 1928
2.	OSL 1509 was built as OSL&UN 1460 in 1891; to OSL 612 in 1897; to OSL 1509 in 1915; vacated in 1925
3.	OSL 1510 was built as OSL&UN 1461 in 1891; to OSL 613 in 1897; to OSL 1510 in 1915; vacated in 1925
4.	OSL 1511 was built as OSL&UN 1462 in 1891; to OSL 614 in 1897; to OSL 1511 in 1915; vacated in 1926
5.	OSL 1512 was built as OSL&UN 1463 in 1891; to OSL 615 in 1897; to OSL 1512 in 1915; vacated in 1925
6.	OSL 1513 was built as OSL&UN 1464 in 1891; to OSL 616 in 1897; to OSL 1513 in 1915; vacated in 1923; sold in June 1923 to Columbia Steel Corporation for service on the Carbon County Railway in Utah

OSL 4-6-0 — 13 locomotives

1915 OSL Number	First Number	Second Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1514	OSL&UN 1441	OSL 619	Rhode Island	2488	Jan 1891	Sep 1923	1
OSL 1515	OSL&UN 1443	OSL 621	Rhode Island	2490	Jan 1891	Dec 1926	2
OSL 1516	OSL&UN 1445	OSL 623	Rhode Island	2492	Jan 1891	Nov 1922	3
OSL 1517	OSL&UN 1446	OSL 624	Rhode Island	2493	Jan 1891	Nov 1927	4
OSL 1518	OSL&UN 1447	OSL 625	Rhode Island	2494	Feb 1891	Apr 1924	5
OSL 1519	OSL&UN 1449	OSL 627	Rhode Island	2496	Feb 1891	Apr 1924	6
OSL 1520	OSL&UN 1451	OSL 629	Rhode Island	2498	Feb 1891	Apr 1924	7
OSL 1521	OSL&UN 1452	OSL 630	Rhode Island	2499	Feb 1891	Nov 1922	8
OSL 1522	OSL&UN 1453	OSL 631	Rhode Island	2500	Feb 1891	Dec 1926	9
OSL 1523	OSL&UN 1454	OSL 632	Rhode Island	2501	Feb 1891	Oct 1925	10
OSL 1524	OSL&UN 1455	OSL 633	Rhode Island	2502	Feb 1891	Oct 1925	11
OSL 1525	OSL&UN 1457	OSL 635	Rhode Island	2504	Feb 1891	Jan 1924	12
OSL 1526	OSL&UN 1458	OSL 636	Rhode Island	2505	Feb 1891	Apr 1924	13

Description:

Cabside Class: T-51

Drive Wheel Diameter: 51 inches (rebuilt from 62 inches)

Cylinders: 19x24 inches

Maximum Tractive Effort: 25,857 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

Notes:

1.	OSL 1514 was built as OSL&UN 1441 in 1890; to OSL 619 in 1897; to OSL 1514 in 1915; vacated in 1923
2.	OSL 1515 was built as OSL&UN 1443 in 1890; to OSL 621 in 1897; to OSL 1515 in 1915; vacated in 1926
3.	OSL 1516 was built as OSL&UN 1445 in 1890; to OSL 623 in 1897; to OSL 1516 in 1915; vacated in 1922
4.	OSL 1517 was built as OSL&UN 1446 in 1890; to OSL 624 in 1897; to OSL 1517 in 1915; vacated in 1927
5.	OSL 1518 was built as OSL&UN 1447 in 1890; to OSL 625 in 1897; to OSL 1518 in 1915; vacated in 1924
6.	OSL 1519 was built as OSL&UN 1449 in 1890; to OSL 627 in 1897; to OSL 1519 in 1915; vacated in 1924
7.	OSL 1520 was built as OSL&UN 1451 in 1890; to OSL 629 in 1897; to OSL 1520 in 1915; vacated in 1924
8.	OSL 1521 was built as OSL&UN 1452 in 1890; to OSL 630 in 1897; to OSL 1521 in 1915; vacated in 1922
9.	OSL 1522 was built as OSL&UN 1453 in 1890; to OSL 631 in 1897; to OSL 1522 in 1915; vacated in 1926
10.	OSL 1523 was built as OSL&UN 1454 in 1890; to OSL 632 in 1897; to OSL 1523 in 1915; vacated in 1925
11.	OSL 1524 was built as OSL&UN 1455 in 1890; to OSL 633 in 1897; to OSL 1524 in 1915; vacated in 1925
12.	OSL 1525 was built as OSL&UN 1457 in 1890; to OSL 635 in 1897; to OSL 1525 in 1915; vacated in 1924
13.	OSL 1526 was built as OSL&UN 1458 in 1890; to OSL 636 in 1897; to OSL 1526 in 1915; vacated in 1924

OSL 4-6-0 — 3 locomotives

1915 OSL Number	First Number	Second Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1527	OSL&UN 1466	OSL&UN 638	Cooke	2072	Feb 1891	Oct 1927	1
OSL 1528	OSL&UN 1469	OSL&UN 641	Cooke	2075	Mar 1891	May 1925	2
OSL 1529	OSL&UN 1470	OSL&UN 642	Cooke	2076	Mar 1891	May 1924	3

Description:

Cabside Class: T-51

Drive Wheel Diameter: 51 inches

Cylinders: 19-1/2x24 inches

Maximum Tractive Effort: 25,857 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

Notes:

1.	OSL 1527 was built as OSL&UN 1466 in 1890; to OSL 638 in 1897; to OSL 1527 in 1915; vacated in 1927
2.	OSL 1528 was built as OSL&UN 1469 in 1890; to OSL 641 in 1897; to OSL 1528 in 1915; vacated in 1925
3.	OSL 1529 was built as OSL&UN 1470 in 1890; to OSL 642 in 1897; sold to Silver Peak Railroad in June 1906; returned to OSL in in November 1909 in exchange for OSL 301; to OSL 1529 in 1915; vacated in 1924

OSL 4-6-0 — 1 locomotive

1915 OSL Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1530	OSL&UN 1468	OSL 640	OSL 650	Cooke	2074	Oct 1890	Jun 1936	1

Description:

Cabside Class: T-69

Drive Wheel Diameter: 69 inches (rebuilt from 62 inches in June 1900)

Cylinders: 19-1/2x26 inches (rebuilt from 19x24 inches in June 1900)

Maximum Tractive Effort: 20,704 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 247,400 pounds

Fuel: Coal

General Notes:

a.	The number-to-number sequence from 600 series to 650 series is not confimed.

Notes:

1.	OSL 1530 was built as OSL&UN 1468 in 1890; to OSL 640 in 1897; rebuilt to OSL 650 in 1900; to OSL 1530 in 1915; vacated in 1936

OSL 4-6-0 — 6 locomotives

1915 OSL Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1531	OSL&UN 1416	OSL 600	OSL 651	Rhode Island	2475	Nov 1890	Dec 1927	1
OSL 1532	OSL&UN 1417	OSL 601	OSL 652	Rhode Island	2476	Nov 1890	Oct 1928	2
OSL 1533	OSL&UN 1420	OSL 604	OSL 653	Rhode Island	2479	Dec 1890	Nov 1928	3
OSL 1534	OSL&UN 1423	OSL 607	OSL 654	Rhode Island	2482	Dec 1890	Jan 1928	4
OSL 1535	OSL&UN 1442	OSL 620	OSL 655	Rhode Island	2489	Dec 1890	Dec 1927	5
OSL 1536	OSL&UN 1444	OSL 622	OSL 656	Rhode Island	2491	Dec 1890	Oct 1925	6

Description:

Cabside Class: T-69

Drive Wheel Diameter: 69 inches (rebuilt from 62 inches)

Cylinders: 18-1/2x26 inches (rebuilt from 19x24 inches)

Maximum Tractive Effort: 18,635 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

General Notes:

a.	The number-to-number sequence from 600 series to 650 series is not confimed.
b.	Individual locomotive specifications:

1915 OSL Number	As Built Specs.	Later Specs.	Date Rebuilt
OSL 1531	62-19x24	69-18-1/2x26	1901
OSL 1532	62-19x24	69-18-1/2x26	1900
OSL 1533	62-19x24	69-18-1/2x26	1900
OSL 1534	62-19x24	69-18-1/2x26	1900
OSL 1535	62-19x24	69-18-1/2x26	1901
OSL 1536	62-19x24	69-18-1/2x26	1901

Notes:

1.	OSL 1531 was built as OSL&UN 1416 in 1890; to OSL 600 in 1897; rebuilt to OSL 651 in 1901; to OSL 1531 in 1915; vacated in 1927 (OSL 651 was rebuilt at Pocatello; new drivers cast by OSL in Salt Lake City during June 1900, see Salt Lake Tribune, June 14, 1900)
2.	OSL 1532 was built as OSL&UN 1417 in 1890; to OSL 601 in 1897; rebuilt to OSL 652 in 1900; to OSL 1532 in 1915; vacated in 1928
3.	OSL 1533 was built as OSL&UN 1420 in 1890; to OSL 604 in 1897; rebuilt to OSL 653 in 1900; to OSL 1533 in 1915; vacated in 1928
4.	OSL 1534 was built as OSL&UN 1423 in 1890; to OSL 607 in 1897; rebuilt to OSL 654 in 1900; to OSL 1534 in 1915; vacated in 1928
5.	OSL 1535 was built as OSL&UN 1442 in 1890; to OSL 620 in 1897; rebuilt to OSL 655 in 1901; to OSL 1535 in 1915; vacated in 1927
6.	OSL 1536 was built as OSL&UN 1444 in 1890; to OSL 622 in 1897; rebuilt to OSL 656 in 1901; to OSL 1536 in 1915; vacated in 1925

OSL 4-6-0 — 1 locomotive

1915 OSL Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1537	OSL&UN 1467	OSL 639	OSL 657	Cooke	2073	Oct 1890	Jan 1928	1

Description:

Cabside Class: T-69

Drive Wheel Diameter: 69 inches (rebuilt from 62 inches in June 1901)

Cylinders: 18-1/2x26 inches (rebuilt from 19x24 inches in June 1901)

Maximum Tractive Effort: 18,635 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

General Notes:

a.	The number-to-number sequence from 600 series to 650 series is not confimed.

Notes:

1.	OSL 1537 was built as OSL&UN 1467 in 1890; to OSL 639 in 1897; rebuilt to OSL 657 in 1901; to OSL 1537 in 1915; vacated in 1928

OSL 4-6-0 — 2 locomotives

1915 OSL Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1538	OSL&UN 1448	OSL 626	OSL 658	Rhode Island	2495	Jan 1891	Mar 1928	9
OSL 1539	OSL&UN 1428	OSL 618	OSL 659	Rhode Island	2487	Dec 1890	Apr 1924	10

Description:

Cabside Class: T-69

Drive Wheel Diameter: 69 inches (rebuilt from 62 inches)

Cylinders: 18-1/2x26 inches (rebuilt from 19x24 inches)

Maximum Tractive Effort: 18,635 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

General Notes:

a.	The number-to-number sequence from 600 series to 650 series is not confimed.
b.	Individual locomotive specifications:

1915 OSL Number	As Built Specs.	Later Specs.	Date Rebuilt
OSL 1538	62-19x24	69-20x26	1901
OSL 1539	62-19x24	69-20x26	1901

Notes:

1.	OSL 1538 was built as OSL&UN 1448 in 1891; to OSL 626 in 1897; rebuilt to OSL 658 in 1901; to OSL 1538 in 1915; vacated in 1928
2.	OSL 1539 was built as OSL&UN 1428 in 1890; to OSL 618 in 1897; rebuilt to OSL 659 in 1901; to OSL 1539 in 1915; vacated in 1924

OSL 4-6-0 — 3 locomotives

1915 OSL Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1540	OSL&UN 1425	OSL 609	OSL 680	Rhode Island	2484	Dec 1890	19 Jun 1923	1
OSL 1541	OSL&UN 1456	OSL 634	OSL 681	Rhode Island	2503	Feb 1891	19 Jun 1923	2
OSL 1542	OSL&UN 1426	OSL 610	OSL 682	Rhode Island	2485	Dec 1890	23 Apr 1924	3

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches (rebuilt from 62 inches in 1902)

Cylinders: 19-1/2x26 inches (rebuilt from 19x24 inches in 1902)

Maximum Tractive Effort: 25,063 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

Notes:

1.	OSL 1540 was built as OSL&UN 1425 in 1890; to OSL 609 in 1897; rebuilt to OSL 680 in 1902; to OSL 1540 in 1915; vacated in 1923
2.	OSL 1541 was built as OSL&UN 1456 in 1891; to OSL 634 in 1897; rebuilt to OSL 681 in 1902; to OSL 1541 in 1915; vacated in 1923
3.	OSL 1542 was built as OSL&UN 1426 in 1890; to OSL 610 in 1897; rebuilt to OSL 682 in 1902; to OSL 1542 in 1915; vacated in 1924

OSL 4-6-0 — 1 locomotive

1915 OSL Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1543	OSL&UN 1427	OSL 617	OSL 683	Rhode Island	2486	Dec 1890	Dec 1926	1

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches (rebuilt from 62 inches in 1903)

Cylinders: 18-1/2x26 inches (rebuilt from 19x24 inches in 1903)

Maximum Tractive Effort: 25,063 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

Notes:

1.	OSL 1543 was built as OSL&UN 1427 in 1890; to OSL 617 in 1897; rebuilt to OSL 683 in 1903; to OSL 1543 in 1915; vacated in 1926

OSL 4-6-0 — 1 locomotive (simple, rebuilt from compound)

1915 OSL Number	First Number	Second Number	Third Number	Fourth Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1544	OSL&UN 1450	OSL 628	OSL 670	OSL 684	Rhode Island	2497	Jan 1891	Jan 1928	1

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches (rebuilt from 62 inches in 1901)

Cylinders: 18-1/2x26 inches (rebuilt from 22&34x26 compound in 1907)

Maximum Tractive Effort: 22,558 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

Notes:

1.	OSL 1544 was built as OSL&UN 1450 in 1891; to OSL 628 in 1897; rebuilt to OSL 670 (Richmond compound, 57-22&34x26) in 1901; rebuilt to OSL 684 (simple) in 1907; to OSL 1544 in 1915; vacated in 1928

OSL 4-6-0 — 1 locomotive (simple, rebuilt from compound)

1915 OSL Number	First Number	Second Number	Third Number	Fourth Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OSL 1545	OSL&UN 1465	OSL 637	OSL 671	OSL 685	Cooke	2071	Oct 1890	Jun 1923	1

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches (rebuilt from 62 inches in 1901)

Cylinders: 20x26 inches (rebuilt from 14&24x26 compound in 1907)

Maximum Tractive Effort: 22,558 pounds

Weight on Drivers: 103,400 pounds

Weight in Working Order (Engine Only): 131,200 pounds

Weight in Working Order (Engine and Tender): 238,433 pounds

Fuel: Coal

Notes:

1.	OSL 1545 was built as OSL&UN 1465 in 1891; to OSL 637 in 1897; rebuilt to OSL 671 (Vauclain compound, 57-14&24x26) in 1901; rebuilt to OSL 685 (simple) in 1907; to OSL 1545 in 1915; vacated in 1923

OSL 4-6-0 — 8 locomotives

1915 OSL Number	First Number	Builder	Builder Number	Date Built	Date Vacated
OSL 1546	OSL 720	Cooke	2446	Apr 1899	Jan 1928
OSL 1547	OSL 721	Cooke	2447	Apr 1899	7 Dec 1926
OSL 1548	OSL 722	Cooke	2448	Apr 1899	7 Dec 1926
OSL 1549	OSL 723	Cooke	2449	Apr 1899	Jan 1928
OSL 1550	OSL 724	Cooke	2450	Jun 1899	7 Dec 1926
OSL 1551	OSL 725	Cooke	2451	Jun 1899	7 Dec 1926
OSL 1552	OSL 726	Cooke	2452	Jun 1899	Jan 1928
OSL 1553	OSL 727	Cooke	2453	Jun 1899	7 Dec 1926

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches

Cylinders: 20x26 inches

Maximum Tractive Effort: 31,017 pounds

Weight on Drivers: 132,000 pounds

Weight in Working Order (Engine Only): 156,000 pounds

Weight in Working Order (Engine and Tender):

Fuel: Coal

General Notes:

a.	OSL 1546-1553 were built as OSL 720-727 in 1899; to OSL 1546-1561 in 1915; vacated in 1926-1928

OSL 4-6-0 — 8 locomotives

1915 OSL Number	First Number	Builder	Builder Number	Date Built	Date Vacated
OSL 1554	OSL 750	Cooke	2461	Aug 1899	15 Nov 1923
OSL 1555	OSL 751	Cooke	2462	Aug 1899	25 May 1925
OSL 1556	OSL 752	Cooke	2463	Aug 1899	Jun 1936
OSL 1557	OSL 753	Cooke	2464	Aug 1899	7 Dec 1926
OSL 1558	OSL 754	Cooke	2465	Sep 1899	Sep 1930
OSL 1559	OSL 755	Cooke	2466	Sep 1899	7 Dec 1926
OSL 1560	OSL 756	Cooke	2467	Sep 1899	25 Jun 1925
OSL 1561	OSL 757	Cooke	2468	Sep 1899	25 Jun 1925

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches

Cylinders: 20x28 inches

Maximum Tractive Effort: 33,403 pounds

Weight on Drivers: 140,000 pounds

Weight in Working Order (Engine Only): 169,000 pounds

Weight in Working Order (Engine and Tender):

Fuel: Coal

General Notes:

a.	OSL 1554-1561 were built as OSL 750-757 in 1899; to OSL 1554-1561 in 1915; vacated in 1923-1930

OSL 4-6-0 — 10 locomotives (ex Vauclain Compound)

1915 OSL Number	First Number	Second Number	Builder	Builder Number	Date Built	Date Vacated
OSL 1562	OSL 400 (2nd)	OSL 800 (2nd)	Baldwin	20195	Apr 1902	Jan 1928
OSL 1563	OSL 401 (2nd)	OSL 801 (2nd)	Baldwin	20196	Apr 1902	Jan 1928
OSL 1564	OSL 402 (2nd)	OSL 802 (2nd)	Baldwin	20197	Apr 1902	Jan 1928
OSL 1565	OSL 403 (2nd)	OSL 803	Baldwin	20198	Apr 1902	Jan 1928
OSL 1566	OSL 404 (2nd)	OSL 804	Baldwin	20199	Apr 1902	Jan 1928
OSL 1567	OSL 405 (2nd)	OSL 805	Baldwin	20200	Apr 1902	Jan 1928
OSL 1568	OSL 406 (2nd)	OSL 806	Baldwin	20201	May 1902	Jan 1928
OSL 1569	OSL 407 (2nd)	OSL 807	Baldwin	20246	May 1902	Jan 1928
OSL 1570	OSL 408 (2nd)	OSL 808	Baldwin	20247	May 1902	7 Dec 1926
OSL 1571	OSL 409 (2nd)	OSL 809	Baldwin	20248	May 1902	Jan 1928

Description:

Cabside Class: T-73

Drive Wheel Diameter: 73 inches

Cylinders: 20x28 inches (rebuilt from compound 15-1/2&26x28 inches)

Maximum Tractive Effort: 26,082 pounds

Weight on Drivers: 142,900 pounds

Weight in Working Order (Engine Only): 182,000 pounds

Weight in Working Order (Engine and Tender): 310,510 pounds

Fuel: Coal

General Notes:

a.	Built as OSL 400-405 (2nd) and 406-409; renumbered to OSL 800-802 (2nd) and 803-809 upon delivery in 1902; to OSL 1562-1571 in 1915; vacated in 1926-1928
b.	Built as Vauclain compound locomotives; rebuilt to simple in 1906-1909

OSL 4-6-0 — 7 locomotives

1915 OSL Number	First Number	Date To 1572 Series	Builder	Builder Number	Date Built	Date Delivered	Fuel	Date Vacated
OSL 1572	OSL 810	1915	Baldwin	33686	Aug 1909	Sep 1909	Coal	Dec 1933
OSL 1573	OSL 811	1915	Baldwin	33687	Aug 1909	Sep 1909	Coal	Mar 1947
OSL 1574	OSL 812	1915	Baldwin	33688	Aug 1909	Sep 1909	Coal	Dec 1933
OSL 1575	OSL 813	1915	Baldwin	33689	Aug 1909	Sep 1909	Oil	Aug 1951
OSL 1576	OSL 814	1915	Baldwin	33690	Aug 1909	Oct 1909	Coal	Dec 1933
OSL 1577	OSL 815	1915	Baldwin	33691	Aug 1909	Oct 1909	Oil	Feb 1948
OSL 1578	OSL 816	1915	Baldwin	33692	Aug 1909	Oct 1909	Oil	Aug 1947

Description:

CS Class: T-2

Cabside Class: T-69

Drive Wheel Diameter: 69 inches

Cylinders: 22x28 inches

Maximum Tractive Effort: 31,719 pounds

Weight on Drivers: 161,000 pounds

Weight in Working Order (Engine Only): 206,000 pounds

Weight in Working Order (Engine and Tender): 343,740 pounds

Fuel: (see above)

General Notes:

a.	OSL 1572-1578 were built as OSL 810-816 in 1909; renumbered to OSL 1572-1578 in 1915

OSL 4-6-0 — 5 locomotives

1915 OSL Number	First Number	Date To 1579 Series	Builder	Builder Number	Date Built	Fuel	Date Vacated
OSL 1579	OSL 817	1915	Baldwin	36190	Mar 1911	Oil	Feb 1948
OSL 1580	OSL 818	1915	Baldwin	36191	Mar 1911	Coal	Jan 1947
OSL 1581	OSL 819	1915	Baldwin	36192	Mar 1911	Coal	Dec 1933
OSL 1582	OSL 820	1915	Baldwin	36193	Mar 1911	Coal	Dec 1933
OSL 1583	OSL 821	1915	Baldwin	36194	Mar 1911	Coal	Apr 1940

Description:

CS Class: T-3

Cabside Class: T-69

Drive Wheel Diameter: 69 inches

Cylinders: 22x28 inches

Maximum Tractive Effort: 31,719 pounds

Weight on Drivers: 161,000 pounds

Weight in Working Order (Engine Only): 206,000 pounds

Weight in Working Order (Engine and Tender): 343,740 pounds

Fuel: (see above)

General Notes:

a.	OSL 1579-1583 were built as OSL 817-821 in 1911; renumbered to OSL 1579-1583 in 1915

OSL 4-6-0 — 4 locomotives (ex P&IN)

1936 OSL Number	P&IN Number	Date To OSL	Builder	Builder Number	Date Built	Fuel	Date Vacated	Notes
OSL 1584	P&IN 102	1936	Baldwin	30969	Jul 1907	Coal	Jul 1946	1
OSL 1585	P&IN 103	1936	Baldwin	30616	Mar 1907	Oil	May 1947	2
OSL 1586	P&IN 104	1936	Baldwin	35599	Nov 1910	Coal	Mar 1947	3
OSL 1587	P&IN 105	1936	Baldwin	35600	Nov 1910	Coal	Jun 1946	4

Description (OSL 1584, 1586, 1587):

Drive Wheel Diameter: 56 inches (57 inches after July 1938)

Cylinders: 18x26 inches

Description (OSL 1585):

Drive Wheel Diameter: 61 inches

Cylinders: 17x24 inches

General Notes:

a.	Pacific & Idaho Northern Railway was completed between Weiser and New Meadows, Idaho in 1911; purchased by OSL on August 22, 1936, becoming OSL's New Meadows Branch (click here for more information about Pacific & Idaho Northern)
b.	OSL 1585 shown in July 1938 locomotive diagram as being built in 1917 (possibly the date that P&IN purchased it as second-hand?)

Notes:

1.	OSL 1584 was built as P&IN 102 in 1907; to OSL 1584 in 1936; vacated in 1946
2.	OSL 1585 was built as P&IN 103 in 1907; to OSL 1585 in 1936; vacated in 1947
3.	OSL 1586 was built as P&IN 104 in 1910; to OSL 1586 in 1936; vacated in 1947
4.	OSL 1587 was built as P&IN 105 in 1910; to OSL 1587 in 1936; vacated in 1946

LA&SL 4-6-0 — 2 locomotives

1921 LA&SL Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated
LA&SL 1591	SPLA&SL 200	SPLA&SL 3200	LA&SL 3200	Brooks	3928	Aug 1901	Sep 1925
LA&SL 1592	SPLA&SL 201	SPLA&SL 3201	LA&SL 3201	Brooks	3929	Aug 1901	Sep 1925

Description:

LA&SL Class: DL-68

Drive Wheel Diameter: 68 inches

Cylinders: 20x28 inches(LA&SL 1592 later had 21x28 inches)

Weight on Drivers: 144,000 pounds

Weight in Working Order (Engine Only): 179,800 pounds

Weight in Working Order (Engine and Tender): 298,650 pounds

Maximum Tractive Effort: 24,500 pounds (LA&SL 1592 had 30,870 pounds)

Fuel: Oil

General Notes:

a.	LA&SL 1591 and 1592 were built as SPLA&SL 200 and 201 in 1901; renumbered to SPLA&SL 3200 and 3201 in 1907; renumbered to LA&SL 3200 and 3201 in 1916; renumbered to LA&SL 1591 and 1592 in 1921; vacated in 1925

LA&SL 4-6-0 — 4 locomotives

1921 LA&SL Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated
LA&SL 1593	SPLA&SL 202	SPLA&SL 3202	LA&SL 3202	Schenectady	6129	Jan 1902	Sep 1925
LA&SL 1594	SPLA&SL 203	SPLA&SL 3203	LA&SL 3203	Schenectady	6130	Jan 1902	Feb 1925
LA&SL 1595	SPLA&SL 204	SPLA&SL 3204	LA&SL 3204	Schenectady	6131	Jan 1902	Sep 1925
LA&SL 1596	SPLA&SL 205	SPLA&SL 3205	LA&SL 3205	Schenectady	6132	Jan 1902	Oct 1925

Description:

LA&SL Class: DM-68

Drive Wheel Diameter: 68 inches

Cylinders: 20x28 inches

Weight on Drivers: 131,100 pounds

Weight in Working Order (Engine Only): 168,800 pounds

Weight in Working Order (Engine and Tender): 286,600 pounds

Maximum Tractive Effort: 28,000 pounds

Fuel: Oil

General Notes:

a.	LA&SL 1593-1596 were built as SPLA&SL 202-205 in 1902; renumbered to SPLA&SL 3202-3205 in 1907; renumbered to LA&SL 3202-3205 in 1916; renumbered to LA&SL 1593-1596 in 1921; vacated in 1925

OWRR&N 4-6-0 — 1 locomotive (ex Spokane Union Depot 1)

1915 OWRR&N Number	First Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OWRR&N 1700	OWRR&N 1	Baldwin	10151	Jul 1889	May 1918	1

Description:

Drive Wheel Diameter: 54 inches

Cylinders: 16x24 inches

Notes:

1.	Built as Puget Sound & Grays Harbor RR 5 in 1889; to NP 429 in 1891; to Union Depot of Spokane Falls (Spokane) 1 in 1897; to Spokane Union Depot 1 in 1901; to Union Depot 1 in 1911; to OWRR&N 1 in 1911; to OWRR&N 1700 in 1915; vacated in 1918; sold to Railway Equipment Company, Portland

OWRR&N 4-6-0 — 8 locomotives

1915 OWRR&N Number	First Number	Second Number	Third Number	Fourth Number	Builder	Builder Number	Date Built	Date Vacated	Fuel	Notes
OWRR&N 1701	ORy&N 71	ORy&N 1486	ORR&N 112	OWRR&N 112	Manchester	1105	Apr 1883	May 1924	Coal	1
OWRR&N 1702	ORy&N 72	ORy&N 1487	ORR&N 113	OWRR&N 113	Manchester	1106	Apr 1883	Sep 1921	Coal	2
OWRR&N 1703	ORy&N 73	ORy&N 1488	ORR&N 114	OWRR&N 114	Manchester	1107	May 1883	Mar 1924	Oil	3
OWRR&N 1704	ORy&N 74	ORy&N 1489	ORR&N 115	OWRR&N 115	Manchester	1108	Sep 1883	Oct 1925	Oil	4
OWRR&N 1705	ORy&N 75	ORy&N 1490	ORR&N 116	OWRR&N 116	Manchester	1109	Sep 1883	Mar 1920	Oil	5
OWRR&N 1706	ORy&N 76	ORy&N 1491	ORR&N 117	OWRR&N 117	Manchester	1110	Oct 1883	Sep 1921	Oil	6
OWRR&N 1707	ORy&N 77	ORy&N 1492	ORR&N 118	OWRR&N 118	Manchester	1111	Oct 1883	Oct 1925	Oil	7
OWRR&N 1708	ORy&N 78	ORy&N 1493	ORR&N 119	OWRR&N 119	Manchester	1112	Oct 1883	Sep 1921	Oil	8

Description:

Drive Wheel Diameter: 55 inches (later 54 inches)

Cylinders: 18x24 inches (later 19x24 inches)

Notes:

1.	OWRR&N 1701 was built as ORy&N 71 in 1883; to ORy&N 1486 in 1890; to ORy&N 112 in 1894; to ORR&N 112 in 1896; to OWRR&N 112 in 1911; to OWRR&N 1701 in 1915; vacated in 1924
2.	OWRR&N 1702 was built as ORy&N 72 in 1883; to ORy&N 1487 in 1890; to ORy&N 113 in 1894; to ORR&N 113 in 1896; to OWRR&N 113 in 1911; to OWRR&N 1702 in 1915; vacated in 1921; sold to Alaska Junk Company
3.	OWRR&N 1703 was built as ORy&N 73 in 1883; to ORy&N 1488 in 1890; to ORy&N 114 in 1894; to ORR&N 114 in 1896; to OWRR&N 114 in 1911; to OWRR&N 1703 in 1915; vacated in 1924
4.	OWRR&N 1704 was built as ORy&N 74 in 1883; to ORy&N 1489 in 1890; to ORy&N 115 in 1894; to ORR&N 115 in 1896; to OWRR&N 115 in 1911; to OWRR&N 1704 in 1915; vacated in 1925
5.	OWRR&N 1705 was built as ORy&N 75 in 1883; to ORy&N 1490 in 1890; to ORy&N 116 in 1894; to ORR&N 116 in 1896; to OWRR&N 116 in 1911; to OWRR&N 1705 in 1915; vacated in 1920; sold to L. R. Fields Company
6.	OWRR&N 1706 was built as ORy&N 76 in 1883; to ORy&N 1491 in 1890; rebuilt in September 1893; to ORy&N 117 in 1894; to ORR&N 117 in 1896; sold to Columbia Southern Railway 2 in December 1898; CSRy sold to ORy&N in 1907; to OWRR&N 117 in 1911; to OWRR&N 1706 in 1915; vacated in 1921
7.	OWRR&N 1707 was built as ORy&N 77 in 1883; to ORy&N 1492 in 1890; to ORy&N 118 in 1894; to ORR&N 118 in 1896; to OWRR&N 118 in 1911; to OWRR&N 1707 in 1915; vacated in 1925
8.	OWRR&N 1708 was built as ORy&N 78 in 1883; to ORy&N 1493 in 1890; to ORy&N 119 in 1894; to ORR&N 119 in 1896; to OWRR&N 119 in 1911; to OWRR&N 1708 in 1915; vacated in 1921; sold to Alaska Junk Company

OWRR&N 4-6-0 — 6 locomotives

1915 OWRR&N Number	First Number	Second Number	Third Number	Fourth Number	Fifth Number	Builder	Builder Number	Date Built	Fuel	Date Vacated	Notes
OWRR&N 1709	ORy&N 45 (2nd)	ORy&N 1494	ORy&N 130	ORR&N 130	OWRR&N 130	New York	507	Mar 1889	Oil	Sep 1927	1
OWRR&N 1710	ORy&N 46 (2nd)	ORy&N 1495	ORy&N 131	ORR&N 131	OWRR&N 131	New York	508	Mar 1889	Coal	Oct 1925	2
OWRR&N 1711	ORy&N 47 (2nd)	ORy&N 1496	ORy&N 132	ORR&N 132	OWRR&N 132	New York	509	Mar 1889	Coal	Dec 1933	3
OWRR&N 1712	ORy&N 48 (2nd)	ORy&N 1497	ORy&N 133	ORR&N 133	OWRR&N 133	New York	510	Mar 1889	Coal	Nov 1926	4
OWRR&N 1713	ORy&N 49	ORy&N 1498	ORy&N 134	ORR&N 134	OWRR&N 134	New York	511	Mar 1889	Oil	Jan 1928	5
OWRR&N 1714	ORy&N 50	ORy&N 1499	ORy&N 135	ORR&N 135	OWRR&N 135	New York	512	Mar 1889	Coal	Oct 1928	6

Description:

Cabside Class: T-63

Drive Wheel Diameter: 63 inches (rebuilt from 56 inches)

Cylinders: 19x24 inches

Maximum Tractive Effort: 17,534 pounds

Weight on Drivers: 92,350 pounds

Weight in Working Order (Engine Only): 125,000 pounds

Weight in Working Order (Engine and Tender): 222,000 pounds

Fuel: (see above)

Notes:

1.	OWRR&N 130 was built as ORy&N 45 (2nd) in 1889; to ORy&N 1494 in 1890; to ORy&N 130 in 1894; to ORR&N 130 in 1896; to OWRR&N 130 in 1911; to OWRR&N 1709 in 1915; vacated in 1927
2.	OWRR&N 131 was built as ORy&N 46 (2nd) in 1889; to ORy&N 1495 in 1890; to ORy&N 131 in 1894; to ORR&N 131 in 1896; to OWRR&N 131 in 1911; to OWRR&N 1710 in 1915; vacated in 1925
3.	OWRR&N 132 was built as ORy&N 47 (2nd) in 1889 (assigned to Oregon Railway Extensions Company 47); to ORy&N 1496 in 1890; to ORy&N 132 in 1894; to ORR&N 132 in 1896; to OWRR&N 132 in 1911; to OWRR&N 1711 in 1915; vacated in 1933
4.	OWRR&N 133 was built as ORy&N 48 (2nd) in 1889; to ORy&N 1497 in 1890; to ORy&N 133 in 1894; to ORR&N 133 in 1896; to OWRR&N 133 in 1911; to OWRR&N 1712 in 1915; vacated in 1926
5.	OWRR&N 134 was built as ORy&N 49 in 1889; to ORy&N 1498 in 1890; to ORy&N 134 in 1894; to ORR&N 134 in 1896; to OWRR&N 134 in 1911; to OWRR&N 1713 in 1915; vacated in 1928
6.	OWRR&N 135 was built as ORy&N 50 in 1889; to ORy&N 1499 in 1890; to ORy&N 135 in 1894; to ORR&N 135 in 1896; to OWRR&N 135 in 1911; to OWRR&N 1714 in 1915; vacated in 1928

OWRR&N 4-6-0 — 4 locomotives

1915 OWRR&N Number	First Number	Second Number	Third Number	Fourth Number	Fifth Number	Builder	Builder Number	Date Built	Date Vacated	Fuel	Notes
OWRR&N 1715	UPRy 1482	ORy&N 1482	ORy&N 136	ORR&N 136	OWRR&N 136	Cooke	2066	Jan 1891	Apr 1946	Oil	1
OWRR&N 1716	UPRy 1483	ORy&N 1483	ORy&N 137	ORR&N 137	OWRR&N 137	Cooke	2069	Jan 1891	Jul 1942	Oil	2
OWRR&N 1717	UPRy 1484	ORy&N 1484	ORy&N 138	ORR&N 138	OWRR&N 138	Cooke	2070	Feb 1891	Jul 1931	Coal	3
OWRR&N 1718	UPRy 1485	ORy&N 1485	ORy&N 139	ORR&N 139	OWRR&N 139	Cooke	2071	Feb 1891	Dec 1933	Oil	4

Description:

Cabside Class: T-63

Drive Wheel Diameter: 63 inches

Cylinders: 20x24 inches

Maximum Tractive Effort: 22,666 pounds

Weight on Drivers: 112,950 pounds

Weight in Working Order (Engine Only): 139,800 pounds

Weight in Working Order (Engine and Tender): 243,745 pounds

Fuel: (see above)

General Notes:

a.	All four locomotives were built as UPRy 1482-1485 but were diverted to ORy&N 1482-1485 upon delivery in 1890.

Notes:

1.	Built as UPRy 1482; diverted to ORy&N 1482 upon delivery in 1890; to ORy&N 136 in 1894; to ORR&N 136 in 1896; to OWRR&N 136 in 1911; to OWRR&N 1715 in 1915; vacated in 1946
2.	Built as UPRy 1483; diverted to ORy&N 1483 upon delivery in 1890; to ORy&N 137 in 1894; to ORR&N 137 in 1896; to OWRR&N 137 in 1911; to OWRR&N 1716 in 1915; vacated in 1942
3.	Built as UPRy 1484; diverted to ORy&N 1484 upon delivery in 1890; to ORy&N 138 in 1894; to ORR&N 138 in 1896; to OWRR&N 138 in 1911; to OWRR&N 1717 in 1915; vacated in 1931
4.	Built as UPRy 1485; diverted to ORy&N 1485 upon delivery in 1890; to ORy&N 139 in 1894; to ORR&N 139 in 1896; to OWRR&N 139 in 1911; to OWRR&N 1718 in 1915; vacated in 1933

OWRR&N 4-6-0 — 8 locomotives

1915 OWRR&N Number	First Number	Second Number	Third Number	Fourth Number	Fifth Number	Builder	Builder Number	Date Built	Date Vacated	Fuel	Notes
OWRR&N 1719	UPRy 1500 (2nd)	ORy&N 1500	ORy&N 140	ORR&N 140	OWRR&N 140	Cooke	2059	Dec 1890	Aug 1929	Oil	1
OWRR&N 1720	UPRy 1501 (2nd)	ORy&N 1501	ORy&N 141	ORR&N 141	OWRR&N 141	Cooke	2060	Dec 1890	Aug 1931	Coal	2
OWRR&N 1721	UPRy 1502 (2nd)	ORy&N 1502	ORy&N 142	ORR&N 142	OWRR&N 142	Cooke	2061	Dec 1890	Aug 1932	Oil	3
OWRR&N 1722	UPRy 1503 (2nd)	ORy&N 1503	ORy&N 143	ORR&N 143	OWRR&N 143	Cooke	2062	Dec 1890	Jul 1931	Coal	4
OWRR&N 1723	UPRy 1504 (2nd)	ORy&N 1504	ORy&N 144	ORR&N 144	OWRR&N 144	Cooke	2064	Jan 1891	Oct 1931	Coal	5
OWRR&N 1724	UPRy 1505 (2nd)	ORy&N 1505	ORy&N 145	ORR&N 145	OWRR&N 145	Cooke	2067	Jan 1891	Oct 1931	Oil	6
OWRR&N 1725	UPRy 1506 (2nd)	ORy&N 1506	ORy&N 146	ORR&N 146	OWRR&N 146	Cooke	2068	Feb 1891	May 1926	Oil	7
OWRR&N 1726	UPRy 1507 (2nd)	ORy&N 1507	ORy&N 147	ORR&N 147	OWRR&N 147	Cooke	2065	Jan 1891	Sep 1931	Oil	8

Description:

Cabside Class: T-63

Drive Wheel Diameter: 63 inches

Cylinders: 20x24 inches

Maximum Tractive Effort: 22,666 pounds

Weight on Drivers: 112,950 pounds

Weight in Working Order (Engine Only): 139,800 pounds

Weight in Working Order (Engine and Tender): 243,745 pounds

Fuel: (see above)

General Notes:

a.	All eight locomotive were built as UPRy 1500-1507 but were diverted to ORy&N 1500-1507 upon delivery in 1890.

Notes:

1.	OWRR&N 1719 was built as UPRy 1500; diverted to ORy&N 1500 upon delivery in 1890; to ORy&N 140 in 1894; to OWRR&N 140 in 1911; to OWRR&N 1719 in 1915; vacated in 1929
2.	OWRR&N 1720 was built as UPRy 1501; diverted to ORy&N 1501 upon delivery in 1890; to ORy&N 141 in 1894; to OWRR&N 141 in 1911; to OWRR&N 1720in 1915; vacated in 1931
3.	OWRR&N 1721 was built as UPRy 1502; diverted to ORy&N 1502 upon delivery in 1890; to ORy&N 142 in 1894; to OWRR&N 142 in 1911; to OWRR&N 1721 in 1915; vacated in 1932
4.	OWRR&N 1722 was built as UPRy 1503; diverted to ORy&N 1503 upon delivery in 1890; to ORy&N 143 in 1894; to OWRR&N 143 in 1911; to OWRR&N 1722 in 1915; vacated in 1931
5.	OWRR&N 1723 was built as UPRy 1504; diverted to ORy&N 1504 upon delivery in 1890; to ORy&N 144 in 1894; to OWRR&N 144 in 1911; to OWRR&N 1723 in 1915; vacated in 1931
6.	OWRR&N 1724 was built as UPRy 1505; diverted to ORy&N 1505 upon delivery in 1890; to ORy&N 145 in 1894; to OWRR&N 145 in 1911; to OWRR&N 1724 in 1915; vacated in 1931
7.	OWRR&N 1725 was built as UPRy 1506; diverted to ORy&N 1506 upon delivery in 1890; to ORy&N 146 in 1894; to OWRR&N 146 in 1911; to OWRR&N 1725 in 1915; vacated in 1926
8.	OWRR&N 1726 was built as UPRy 1507; diverted to ORy&N 1507 upon delivery in 1890; rebuilt in March 1893; to ORy&N 147 in 1894; to OWRR&N 147 in 1911; to OWRR&N 1726 in 1915; vacated in 1931

OWRR&N 4-6-0 — 6 locomotives (Vauclain compound)

1915 OWRR&N Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Fuel	Date Vacated	Notes
OWRR&N 1727	ORR&N 400	ORR&N 179	OWRR&N 179	Baldwin	19173	Jun 1901	Coal	Jan 1928	1
OWRR&N 1728	ORR&N 401	ORR&N 180	OWRR&N 180	Baldwin	19174	Jun 1901	Coal	Oct 1928	2
OWRR&N 1729	ORR&N 402	ORR&N 181	OWRR&N 181	Baldwin	19175	Jun 1901	Coal	Jan 1928	3
OWRR&N 1730	ORR&N 403	ORR&N 182	OWRR&N 182	Baldwin	19176	Jun 1901	Oil	Dec 1948	4
OWRR&N 1731	ORR&N 404	ORR&N 183	OWRR&N 183	Baldwin	19233	Jul 1901	Oil	Sep 1946	5
OWRR&N 1732	ORR&N 405	ORR&N 184	OWRR&N 184	Baldwin	19234	Jul 1901	Coal	Sep 1927	6

Description:

Drive Wheel Diameter: 63 inches

Cylinders: 15-1/2&26x26 inches

General Notes:

a.	OWRR&N 1727-1732 were built as ORR&N 400-405 in 1901 as Vauclain compound locomotives; only OWRR&N 1730 and 1731 were rebuilt to simple, on the following dates

1915 OWRR&N Number	Specs. As Compound	Specs. As Simple	Date Rebuilt	Valve Gear
OWRR&N 1727	63-15/1-2&26x26
OWRR&N 1728	63-15/1-2&26x26
OWRR&N 1729	63-15/1-2&26x26
OWRR&N 1730	63-15/1-2&26x26	64-22x26	1923	Young
OWRR&N 1731	63-15/1-2&26x26	64-22x26	1923	Walschaert
OWRR&N 1732	63-15/1-2&26x26

Notes:

1.	OWRR&N 1727 was built as ORR&N 400 in 1901; to ORR&N 179 in 1904; to OWRR&N 179 in 1911; OWRR&N 1727 in 1915; vacated in 1928
2.	OWRR&N 1728 was built as ORR&N 401 in 1901; to ORR&N 180 in 1904; to OWRR&N 180 in 1911; OWRR&N 1728 in 1915; vacated in 1928
3.	OWRR&N 1729 was built as ORR&N 402 in 1901; to ORR&N 181 in 1904; to OWRR&N 181 in 1911; OWRR&N 1729 in 1915; vacated in 1928
4.	OWRR&N 1730 was built as ORR&N 403 in 1901; to ORR&N 182 in 1904; to OWRR&N 182 in 1911; OWRR&N 1730 in 1915; vacated in 1948
5.	OWRR&N 1731 was built as ORR&N 404 in 1901; to ORR&N 183 in 1904; to OWRR&N 183 in 1911; OWRR&N 1731 in 1915; vacated in 1946
6.	OWRR&N 1732 was built as ORR&N 405 in 1901; to ORR&N 184 in 1904; to OWRR&N 184 in 1911; OWRR&N 1732 in 1915; vacated in 1927

OWRR&N 4-6-0 — 4 locomotives

1915 OWRR&N Number	First Number	Second Number	Third Number	Fourth Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OWRR&N 1733	ORy&N 148	ORR&N 148	ORR&N 170 (2nd)	OWRR&N 170	Cooke	2321	Oct 1895	Dec 1945	1
OWRR&N 1734	ORy&N 149	ORR&N 149	ORR&N 171	OWRR&N 171	Cooke	2322	Oct 1895	Jul 1946	2
OWRR&N 1735	ORy&N 150	ORR&N 150	ORR&N 172	OWRR&N 172	Cooke	2323	Oct 1895	Apr 1940	3
OWRR&N 1736	ORy&N 151	ORR&N 151	ORR&N 173	OWRR&N 173	Cooke	2324	Oct 1895	Apr 1923	4

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches

Cylinders: 20x26 inches

Maximum Tractive Effort: 27,916 pounds

Weight on Drivers: 119,400 pounds

Weight in Working Order (Engine Only): 144,400 pounds

Weight in Working Order (Engine and Tender): 254,204 pounds

Fuel: Oil

Notes:

1.	OWRR&N 1733 was built as ORy&N 148 in 1895; to ORR&N 148 in 1896; to ORR&N 170 (2nd) in 1904; to OWRR&N 170 in 1911; to OWRR&N 1733 in 1915; vacated in 1945
2.	OWRR&N 1734 was built as ORy&N 149 in 1895; to ORR&N 149 in 1896; to ORR&N 171 in 1904; to OWRR&N 171 in 1911; to OWRR&N 1734 in 1915; vacated in 1946
3.	OWRR&N 1735 was built as ORy&N 150 in 1895; to ORR&N 150 in 1896; to ORR&N 172 in 1904; to OWRR&N 172 in 1911; to OWRR&N 1735 in 1915; vacated in 1940
4.	OWRR&N 1736 was built as ORy&N 151 in 1895; to ORR&N 151 in 1896; to ORR&N 173 in 1904; to OWRR&N 173 in 1911; to OWRR&N 1736 in 1915; vacated in 1923

OWRR&N 4-6-0 — 5 locomotives

1915 OWRR&N Number	First Number	Second Number	Third Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OWRR&N 1737	ORy&N 152	ORR&N 152	ORR&N 174	Cooke	2379	Dec 1897	Dec 1945	1
OWRR&N 1738	ORy&N 153	ORR&N 153	ORR&N 175	Cooke	2380	Dec 1897	Jul 1946	2
OWRR&N 1739	ORy&N 154	ORR&N 154	ORR&N 176	Cooke	2381	Dec 1897	Apr 1946	3
OWRR&N 1740	ORy&N 155	ORR&N 155	ORR&N 177	Cooke	2382	Dec 1897	Nov 1948	4
OWRR&N 1741	ORy&N 156	ORR&N 156	ORR&N 178	Cooke	2383	Dec 1897	Mar 1948	5

Description:

Cabside Class: T-57

Drive Wheel Diameter: 57 inches

Cylinders: 20x26 inches

Maximum Tractive Effort: 29,466 pounds

Weight on Drivers: 125,600 pounds

Weight in Working Order (Engine Only): 154,400 pounds

Weight in Working Order (Engine and Tender): 259,800 pounds

Fuel: Oil

Notes:

1.	OWRR&N 1737 was built as ORR&N 152 in 1897; to ORR&N 174 in 1904; to OWRR&N 174 in 1911; to OWRR&N 1737 in 1915; vacated in 1945
2.	OWRR&N 1738 was built as ORR&N 153 in 1897; to ORR&N 175 in 1904; to OWRR&N 175 in 1911; to OWRR&N 1738 in 1915; vacated in 1946
3.	OWRR&N 1739 was built as ORR&N 154 in 1897; to ORR&N 176 in 1904; to OWRR&N 176 in 1911; to OWRR&N 1739 in 1915; vacated in 1946
4.	OWRR&N 1740 was built as ORR&N 155 in 1897; to ORR&N 177 in 1904; to OWRR&N 177 in 1911; to OWRR&N 1740 in 1915; vacated in 1948
5.	OWRR&N 1741 was built as ORR&N 156 in 1897; to ORR&N 178 in 1904; to OWRR&N 178 in 1911; to OWRR&N 1741 in 1915; vacated in 1948

OWRR&N 4-6-0 — 6 locomotives

1915 OWRR&N Number	First Number	Second Number	Builder	Builder Number	Date Built	Fuel	Date Vacated	Notes
OWRR&N 1742	ORR&N 211	OWRR&N 250	Baldwin	33712	Aug 1909	Coal	Mar 1940	1
OWRR&N 1743	ORR&N 212	OWRR&N 251	Baldwin	33717	Aug 1909	Coal	Sep 1934	2
OWRR&N 1744	ORR&N 213	OWRR&N 252	Baldwin	33723	Aug 1909	Coal	Sep 1934	3
OWRR&N 1745	ORR&N 214	OWRR&N 253	Baldwin	33741	Sep 1909	Oil	Aug 1947	4
OWRR&N 1746	ORR&N 215	OWRR&N 254	Baldwin	33742	Sep 1909	Coal	Dec 1933	5
OWRR&N 1747	ORR&N 216	OWRR&N 255	Baldwin	33743	Sep 1909	Oil	Nov 1948	6

Description:

CS Class: T-2

Cabside Class: T-69

Drive Wheel Diameter: 69 inches

Cylinders: 22x28 inches

Maximum Tractive Effort: 33,390 pounds

Weight on Drivers: 159,000 pounds

Weight in Working Order (Engine Only): 203,000 pounds

Weight in Working Order (Engine and Tender): 372,164 pounds

Fuel: Coal

Notes:

1.	OWRR&N 1742 was built as ORR&N 211 in 1909; to OWRR&N 250 in 1911; to OWRR&N 1742 in 1915; vacated in 1940
2.	OWRR&N 1743 was built as ORR&N 212 in 1909; to OWRR&N 251 in 1911; to OWRR&N 1743 in 1915; vacated in 1934
3.	OWRR&N 1744 was built as ORR&N 213 in 1909; to OWRR&N 252 in 1911; to OWRR&N 1744 in 1915; vacated in 1934
4.	OWRR&N 1745 was built as ORR&N 214 in 1909; to OWRR&N 253 in 1911; to OWRR&N 1745 in 1915; vacated in 1947
5.	OWRR&N 1746 was built as ORR&N 215 in 1909; to OWRR&N 254 in 1911; to OWRR&N 1746 in 1915; vacated in 1933
6.	OWRR&N 1747 was built as ORR&N 216 in 1909; to OWRR&N 255 in 1911; to OWRR&N 1747 in 1915; vacated in 1948

OWRR&N 4-6-0 — 7 locomotives

1915 OWRR&N Number	First Number	Builder	Builder Number	Date Built	Fuel	Date Vacated
OWRR&N 1748	OWRR&N 256	Baldwin	36121	Feb 1911	Oil	May 1947
OWRR&N 1749	OWRR&N 257	Baldwin	36122	Feb 1911	Coal	Apr 1940
OWRR&N 1750	OWRR&N 258	Baldwin	36123	Feb 1911	Coal	Apr 1940
OWRR&N 1751	OWRR&N 259	Baldwin	36144	Feb 1911	Coal	Mar 1949
OWRR&N 1752	OWRR&N 260	Baldwin	36145	Mar 1911	Coal	Apr 1940
OWRR&N 1753	OWRR&N 261	Baldwin	36146	Mar 1911	Oil	Apr 1940
OWRR&N 1754	OWRR&N 262	Baldwin	36160	Mar 1911	Oil	Jul 1947

Description:

CS Class: T-3

Cabside Class: T-69

Drive Wheel Diameter: 69 inches

Cylinders: 22x28 inches

Maximum Tractive Effort: 33,390 pounds

Weight on Drivers: 161,000 pounds

Weight in Working Order (Engine Only): 206,000 pounds

Weight in Working Order (Engine and Tender): 342,332 pounds

Fuel: (see above)

OWRR&N 4-6-0 — 6 locomotives

1915 OWRR&N Number	First Number	Second Number	Builder	Builder Number	Date Built	Date Vacated	Notes
OWRR&N 1755	ORR&N 205	OWRR&N 300	Brooks	45045	Apr 1908	May 1947	1
OWRR&N 1756	ORR&N 206	OWRR&N 301	Brooks	45046	Apr 1908	Apr 1940	2
OWRR&N 1757	ORR&N 207	OWRR&N 302	Brooks	45047	Apr 1908	Jul 1947	3
OWRR&N 1758	ORR&N 208	OWRR&N 303	Brooks	45048	Apr 1908	Apr 1940	4
OWRR&N 1759	ORR&N 209	OWRR&N 304	Brooks	45049	Apr 1908	May 1947	5
OWRR&N 1760	ORR&N 210	OWRR&N 305	Brooks	45050	Apr 1908	Jun 1946	6

Description:

CS Class: T-1

Cabside Class: T-63

Drive Wheel Diameter: 63 inches

Cylinders: 22x28 inches

Maximum Tractive Effort: 36,570 pounds

Weight on Drivers: 162,000 pounds

Weight in Working Order (Engine Only): 208,000 pounds

Weight in Working Order (Engine and Tender): 382,681 pounds

Fuel: Coal

Notes:

1.	OWRR&N 1755 was built as ORR&N 205 in 1908; to OWRR&N 300 in 1911; to OWRR&N 1755 in 1915; vacated in 1947
2.	OWRR&N 1756 was built as ORR&N 206 in 1908; to OWRR&N 301 in 1911; to OWRR&N 1756 in 1915; vacated in 1940
3.	OWRR&N 1757 was built as ORR&N 207 in 1908; to OWRR&N 302 in 1911; to OWRR&N 1757 in 1915; vacated in 1947
4.	OWRR&N 1758 was built as ORR&N 208 in 1908; to OWRR&N 303 in 1911; to OWRR&N 1758 in 1915; vacated in 1940
5.	OWRR&N 1759 was built as ORR&N 209 in 1908; to OWRR&N 304 in 1911; to OWRR&N 1759 in 1915; vacated in 1947
6.	OWRR&N 1760 was built as ORR&N 210 in 1908; to OWRR&N 305 in 1911; to OWRR&N 1760 in 1915; vacated in 1946

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