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Union Pacific Railroad

Roster of Diesel and Turbine Locomotives, 1934-2009

This page was last updated on July 20, 2012.

(Return to UP Diesel Roster Index Page)

Roster Listing

Alco FA-1 -- 24 units
1500 horsepower; B-B trucks; 241,700 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Notes
UP 1500A Jun 1947 75283 Renumbered to UP 1600 in April 1948.
UP 1501A Jun 1947 75284 Renumbered to UP 1601 in April 1948.
UP 1502A Jun 1947 75285 Renumbered to UP 1602 in April 1948.
UP 1503A Jul 1947 75292 Renumbered to UP 1603 in June 1948.
UP 1504A Jul 1947 75293 Renumbered to UP 1604 in March 1948.
UP 1505A Jul 1947 75294 Renumbered to UP 1605 in March 1948.
UP 1506A Sep 1947 75295 Renumbered to UP 1606 in August 1948.
UP 1507A Sep 1947 75300 Renumbered to UP 1607 in March 1948.
UP 1508A Sep 1947 75301 Renumbered to UP 1608 in June 1948.
UP 1509A Sep 1947 75306 Renumbered to UP 1609 in May 1948.
UP 1510A Oct 1947 75307 Renumbered to UP 1610 in August 1948.
UP 1511A Oct 1947 75308 Renumbered to UP 1611 in March 1948.
UP 1512A Oct 1947 75309 Renumbered to UP 1612 in March 1948.
UP 1513A Oct 1947 75314 Renumbered to UP 1613 in August 1948.
UP 1514A Nov 1947 75414 Renumbered to UP 1614 in May 1948.
UP 1515A Nov 1947 75415 Renumbered to UP 1615 in September 1948.
UP 1516A Nov 1947 75416 Renumbered to UP 1616 in October 1948.
UP 1517A Nov 1947 75421 Renumbered to UP 1617 in March 1948.
UP 1518A Nov 1947 75422 Renumbered to UP 1618 in April 1948.
UP 1519A Nov 1947 75423 Renumbered to UP 1619 in July 1948.
UP 1520A Dec 1947 75424 Renumbered to UP 1620 in July 1948.
UP 1521A Dec 1947 75427 Renumbered to UP 1621 in July 1948.
UP 1522A Dec 1947 75286 Renumbered to UP 1622 in March 1948.
UP 1523A Dec 1947 75287 Renumbered to UP 1623 in October 1948.

General Notes:

a. UP 1500A-1513A and 1522A, 1523A had Alco order number S-3030.
b. UP 1514A-1521A had Alco order number S-3038.
   

Alco FB-1 -- 18 units
1500 horsepower; B-B trucks; 234,800 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Notes
UP 1524B Jun 1947 75439 Renumbered to UP 1600B in April 1948.
UP 1525B Jun 1947 75440 Renumbered to UP 1600C in May 1948.
UP 1526B Jun 1947 75441 Renumbered to UP 1602B in March 1948.
UP 1527B Jul 1947 75444 Renumbered to UP 1602C in March 1948.
UP 1528B Jul 1947 75445 Renumbered to UP 1604B in July 1948.
UP 1529B Aug 1947 75446 Renumbered to UP 1604C in March 1948.
UP 1530B Sep 1947 75447 Renumbered to UP 1606B in August 1948.
UP 1531B Sep 1947 75452 Renumbered to UP 1606C in August 1948.
UP 1532B Oct 1947 75453 Renumbered to UP 1608B in March 1948.
UP 1533B Nov 1947 75585 Renumbered to UP 1608C in March 1948.
UP 1534B Nov 1947 75586 Renumbered to UP 1610B in September 1948.
UP 1535B Nov 1947 75589 Renumbered to UP 1610C in March 1948.
UP 1536B Oct 1947 75590 Renumbered to UP 1612B in September 1948.
UP 1537B Nov 1947 75591 Renumbered to UP 1612C in September 1948.
UP 1538B Nov 1947 75592 Renumbered to UP 1614B in July 1948.
UP 1539B Dec 1947 75596 Renumbered to UP 1614C in July 1948.
UP 1540B Feb 1948 75755 Renumbered to UP 1616B in February 1948.
UP 1541B Feb 1948 75756 Renumbered to UP 1616C in February 1948.

General Notes:

a. UP 1524B-1532B had Alco order number S-3039.
b. UP 1533B-1539B had Alco order number S-3048.
c. UP 1540B, 1541B had Alco order number S-3055.
   

Alco FA-1 -- 2 units
1500 horsepower; B-B trucks; 241,700 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Notes
UP 1542A Feb 1948 75707 Renumbered to UP 1624 in February 1948.
UP 1543A Feb 1948 75708 Renumbered to UP 1625 in February 1948.

General Notes:

a. UP 1542A, 1543A had Alco order number S-3054.
   

EMD F3A -- 29 units
1500 horsepower; B-B trucks; 247,400 pounds operating weight

Road
Number
First
Number
Second
Number
Builder
Date
Builder
Number
Date
Retired

Notes
UP 1500 UP 1462   Sep 1948 6713 Apr 1958 Rebuilt to F9A 509 in July 1958.
UP 1501 UP 1463   Sep 1948 6714 Jun 1958 Rebuilt to F9A 523 in September 1958.
UP 1502 UP 1461   Sep 1948 6335 Nov 1958 Rebuilt to F9A 531 in November 1958.
UP 1503 UP 1460   Sep 1948 6334 Jun 1958 Rebuilt to F9A 520 in August 1958.
UP 1504 UP 1459   Sep 1948 6333 Dec 1951 Wrecked on 25 November 1951 at Orchard, Idaho; rebuilt by EMD to F7A 1464 in April 1952.
UP 1505 UP 1458   Sep 1948 6332 Jul 1958 Rebuilt to F9A 524 in September 1958.
UP 1506 UP 1457   Sep 1948 6331 Apr 1959 Rebuilt to F9A 536 in April 1959.
UP 1507 UP 1456   Sep 1948 5721 Dec 1958 Rebuilt to F9A 530 in February 1959.
UP 1508 UP 1455   Jul 1948 5720 Mar 1958 Rebuilt to F9A 511 in June 1958.
UP 1509 UP 1454   Jul 1948 5719 May 1958 Rebuilt to F9A 517 in August 1958.
UP 1510 UP 1453   Jul 1948 5718 Mar 1958 Rebuilt to F9A 503 in May 1958.
UP 1511 UP 1452   Jul 1948 5717 Apr 1958 Rebuilt to F9A 514 in July 1958.
UP 1512 UP 1451   Jul 1948 5716 Jan 1959 Rebuilt to F9A 528 in January 1959.
UP 1513 UP 1431A UP 1431 Mar 1948 4636 Mar 1958 Rebuilt to F9A 510 in June 1958.
UP 1514 UP 1400A UP 1400 May 1947 4601 Mar 1958 Rebuilt to F9A 502 in June 1958.
UP 1515 UP 1422A UP 1422 Jan 1948 4627 Mar 1958 Rebuilt to F9A 505 in June 1958.
UP 1516 UP 1408A UP 1408 Oct 1947 4613 Dec 1958 Rebuilt to F9A 540 in December 1958.
UP 1517 UP 1406A UP 1406 Oct 1947 4611 Mar 1958 Rebuilt to F9A 507 in May 1958.
UP 1518 UP 1411A UP 1411 Jan 1948 4616 May 1958 Rebuilt to F9A 518 in August 1958.
UP 1519 UP 1412A UP 1412 Jan 1948 4617 Jul 1958 Rebuilt to F9A 539 in September 1958.
UP 1520 UP 1414A UP 1414 Jan 1948 4619 Nov 1958 Rebuilt to F9A 527 in November 1958.
UP 1521 UP 1415A UP 1415 Jan 1948 4620 Jan 1959 Rebuilt to F9A 534 in January 1959.
UP 1522 UP 1416A UP 1416 Jan 1948 4621 Jun 1958 Rebuilt to F9A 522 in August 1958.
UP 1523 UP 1423A UP 1423 Jan 1948 4628 Aug 1958 Rebuilt to F9A 526 in October 1958.
UP 1524 UP 1424A UP 1424 Feb 1948 4629 Jun 1958 Rebuilt to F9A 521 in August 1958.
UP 1525 UP 1436A UP 1436 Mar 1948 4641 Mar 1958 Rebuilt to F9A 500 in May 1958.
UP 1526 UP 1440A UP 1440 Mar 1948 4645 Jan 1959 Rebuilt to F9A 529 in January 1959.
UP 1527 UP 1442   Apr 1948 5707 Mar 1958 Rebuilt to F9A 504 in May 1958.
UP 1528 UP 1443   Apr 1948 5708 Apr 1958 Rebuilt to F9A 519 in June 1958.

General Notes:

a. Built as 1400 series units; regeared from 62:15 gear ratio to 65:12 gear ratio and numbered to 1500 series in 1950 and 1951; assigned to the Northwestern District; many units were later converted to F7 specifications by Union Pacific.
b. Twenty-eight units (excluding UP 1504) were retired and rebuilt to 500 series F9As by EMD; completely remanufactured, installing a new 16-567C engine and other F9 components into the former F3 car bodies; both Union Pacific and EMD considered the new units to be F9s, not rebuilt F3s.
   

EMD F3B -- 31 units
1500 horsepower; B-B trucks; 247,300 pounds operating weight

Road
Number
First
Number
Second
Number
Builder
Date
Builder
Number
Date
Retired

Notes
UP 1500B UP 1442B   Apr 1948 6356 Jun 1958 Rebuilt to F9B 520B in August 1958.
UP 1500C UP 1442C   Apr 1948 6357 Nov 1958 Rebuilt to F9B 525B in November 1958.
UP 1502B UP 1444B   Apr 1948 6358 Mar 1958 Rebuilt to F9B 505B in June 1958.
UP 1502C UP 1444C   Apr 1948 6359 Jun 1958 Rebuilt to F9B 524B in August 1958.
UP 1504B UP 1446B   May 1948 6360 Jun 1958 Rebuilt to F9B 522B in August 1958.
UP 1504C UP 1446C   May 1948 6361 Aug 1958 Rebuilt to F9B 526B in October 1958.
UP 1506B UP 1448B   Jul 1948 6362 Apr 1958 Rebuilt to F9B 510B in July 1958.
UP 1506C UP 1448C   Jul 1948 6363 May 1958 Rebuilt to F9B 518B in August 1958.
UP 1508B UP 1450B   Jul 1948 6364 Nov 1958 Rebuilt to F9B 527B in November 1958.
UP 1508C UP 1450C   Jul 1948 6365 Feb 1959 Rebuilt to F9B 541B in February 1959.
UP 1510B UP 1452B   Jul 1948 6366 Mar 1958 Rebuilt to F9B 506B in June 1958.
UP 1510C UP 1452C   Jul 1948 6367 Feb 1959 Rebuilt to F9B 539B in February 1959.
UP 1512B UP 1454B   Jul 1948 6368 Jan 1959 Rebuilt to F9B 538B in January 1959.
UP 1512C UP 1454C   Jul 1948 6369 Apr 1958 Rebuilt to F9B 512B in July 1958.
UP 1514B UP 1456B   Sep 1948 6370 Mar 1959 Rebuilt to F9B 540B in March 1959.
UP 1514C UP 1456C   Sep 1948 6371 Apr 1959 Rebuilt to F9B 537B in April 1959.
UP 1516B UP 1458B   Sep 1948 6372 Mar 1958 Rebuilt to F9B 501B in May 1958.
UP 1516C UP 1458C   Sep 1948 6373 Nov 1958 Rebuilt to F9B 536B in November 1958.
UP 1518B UP 1428B   Mar 1948 4671 May 1958 Rebuilt to F9B 519B in August 1958.
UP 1518C UP 1426C   Feb 1948 4670 Mar 1958 Rebuilt to F9B 508B in June 1958.
UP 1520B UP 1426B   Feb 1948 4669 Jan 1959 Rebuilt to F9B 533B in January 1959.
UP 1520C UP 1424C   Feb 1948 4668 Aug 1958 Rebuilt to F9B 530B in October 1958.
UP 1522B UP 1424B   Feb 1948 4667 Mar 1959 Rebuilt to F9B 529B, Mar 1959.
UP 1522C UP 1422B UP 1464B Feb 1948 4665 Jun 1958 Rebuilt to F9B 523B in September 1958.
UP 1524B UP 1420B UP 1462B Jan 1948 4663 Apr 1958 Rebuilt to F9B 513B in June 1958.
UP 1524C UP 1420C UP 1463B Jan 1948 4664 Mar 1958 Rebuilt to F9B 504B in May 1958.
UP 1526B UP 1418B UP 1460B Jan 1948 4661 Mar 1958 Rebuilt to F9B 500B in May 1958.
UP 1526C UP 1404C UP 1447B Oct 1947 4648 Mar 1958 Rebuilt to F9B 503B in May 1958.
UP 1528B UP 1406B UP 1448B Oct 1947 4649 Apr 1958 Rebuilt to F9B 517B in August 1958.
UP 1528C UP 1406C UP 1449B Oct 1947 4650 Apr 1958 Rebuilt to F9B 516B in August 1958.
UP 1530B UP 1414B UP 1456B Jan 1948 4657 Dec 1951 Wrecked on 25 November 1951 at Orchard, Idaho; rebuilt by EMD to F7B 1464B in March 1952.

General Notes:

a. Built as 1400 series units; regeared from 62:15 gear ratio to 65:12 gear ratio and renumbered to 1500 series in 1950 and 1951; assigned to the Northwestern District; many units were later converted to F7 specifications by Union Pacific.
b. Thirty units (excluding UP 1530B) were retired and rebuilt to 500 series F9Bs by EMD; completely remanufactured, installing a new 16-567C engine and other F9 components into the former F3 car bodies; both Union Pacific and EMD considered the new units to be F9s, not rebuilt F3s.
   

Peoria Locomotive Works (PLW) PL1500 -- 1 unit
1500 horsepower; B-B trucks; 255,000 pounds operating weight

Road
Number
Builder
Date
Builder
Number

Notes
UP 1500 Jul 1992 92-7-1500 Returned to PLW on 2 August 1993; delivered by UP to Georgetown Railroad, Georgetown, Texas.

General Notes:

a. Built by Peoria Locomotive Works at the shops of the Peoria & Pekin Union at East Peoria, Illinois
b. Equipped with Caterpillar 3512DITA engine, EMD Flexicoil switching trucks, EMD D78B1 traction motors, and 62:15 gear ratio.
c. Leased by UP on 12 April 1993 for 90-day evaluation period, assigned to switching service at Kansas City.
   

EMD SW1500 -- 3 units
1500 horsepower; B-B trucks; 258,800 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date To
1500 series
1315 Series
Number
Date To
1315 Series
UP 1501 WP 1501 May 1973 72692-1 11 May 1984 UP 1315 24 Nov 1988
UP 1502 WP 1502 May 1973 72692-2 Apr 1984 UP 1316 1 Jun 1988
UP 1503 WP 1503 May 1973 72692-3 Apr 1984 UP 1317 20 Aug 1987

General Note:

a. Total of three WP units went to UP at merger, numbered WP 1501-1503.
   

EMD F3A -- 14 units
1500 horsepower; B-B trucks; 233,600 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Date
Retired

Notes
UP 1550 Oct 1948 6715 Dec 1958 Rebuilt to F9A 535 in December 1958.
UP 1551 Oct 1948 6716 Apr 1958 Rebuilt to F9A 512 in July 1958.
UP 1552 Nov 1948 6717 Mar 1958 Rebuilt to F9A 506 in June 1958.
UP 1553 Nov 1948 6718 Dec 1951 Wrecked on 25 November 1951 at Orchard, Idaho; rebuilt by EMD to F7A 1465 in March 1952.
UP 1554 Nov 1948 6719 Apr 1958 Rebuilt to F9A 516 in July 1958.
UP 1555 Nov 1948 6720 Mar 1959 Rebuilt to F9A 533 in March 1959.
UP 1556 Dec 1948 6721 Mar 1959 Rebuilt to F9A 532 in March 1959.
UP 1557 Dec 1948 6722 Apr 1958 Rebuilt to F9A 508 in July 1958.
UP 1558 Dec 1948 6723 Feb 1959 Rebuilt to F9A 537 in February 1959.
UP 1559 Dec 1948 6724 Apr 1958 Rebuilt to F9A 513 in July 1958.
UP 1560 Jan 1949 6725 Mar 1959 Rebuilt to F9A 525 in March 1959.
UP 1561 Jan 1949 6726 Apr 1958 Rebuilt to F9A 515 in August 1958.
UP 1562 Jan 1949 6727 Mar 1958 Rebuilt to F9A 501 in May 1958.
UP 1563 Jan 1949 6728 Nov 1958 Rebuilt to F9A 538 in November 1958.

General Notes:

a. Many units were later converted to F7 specifications by Union Pacific.
b. Thirteen units (excluding UP 1553) were retired and rebuilt to 500 series F9As by EMD; completely remanufactured, installing a new 16-567C engine and other F9 components into the former F3 car bodies; both Union Pacific and EMD considered the new units to be F9s, not rebuilt F3s.
c. Built on EMD order number E939.
   

EMD F3B -- 14 units
1500 horsepower; B-B trucks; 233,600 pounds operating weight

Road
Number
Builder
Date
Builder
Number
Date
Retired

Notes
UP 1550B Oct 1948 6731 Mar 1958 Rebuilt to F9B 509B in June 1958.
UP 1550C Oct 1948 6732 Apr 1958 Rebuilt to F9B 514B in July 1958.
UP 1552B Nov 1948 6733 Feb 1959 Rebuilt to F9B 532B in February 1959.
UP 1552C Nov 1948 6734 Mar 1959 Rebuilt to F9B 531B in March 1959.
UP 1554B Nov 1948 6735 Apr 1958 Rebuilt to F9B 511B in July 1958.
UP 1554C Nov 1948 6736 Jul 1958 Rebuilt to F9B 542B in September 1958.
UP 1556B Dec 1948 6737 Mar 1958 Rebuilt to F9B 507B in June 1958.
UP 1556C Dec 1948 6738 Apr 1958 Rebuilt to F9B 515B in July 1958.
UP 1558B Dec 1948 6739 Jun 1958 Rebuilt to F9B 521B in September 1958.
UP 1558C Dec 1948 6740 Nov 1951 Wrecked on 25 November 1951 at Orchard, Idaho; rebuilt by EMD at La Grange, Illinois, to F7B 1464C in March 1952.
UP 1560B Jan 1949 6741 Jun 1958 Rebuilt to F9B 528B in September 1958.
UP 1560C Jan 1949 6742 Nov 1958 Rebuilt to F9B 535B in November 1958.
UP 1562B Jan 1949 6743 Mar 1958 Rebuilt to F9B 502B in May 1958.
UP 1562C Jan 1949 6744 Dec 1958 Rebuilt to F9B 534B in December 1958.

General Notes:

a. Many units were later converted to F7 specifications by Union Pacific.
b. Thirteen units (excluding UP 1558C) were retired and rebuilt to 500 series F9Bs by EMD; completely remanufactured, installing a new 16-567C engine and other F9 components into the former F3 car bodies; both Union Pacific and EMD considered the new units to be F9s, not rebuilt F3s.
c. Built on EMD order number E939.
   

Alco FA-1 -- 44 units
1500 horsepower; B-B trucks; 234,800 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date
Retired
Notes
UP 1600 UP 1500A Jun 1947 75283 May 1965 Traded to EMD in May 1965.
UP 1601 UP 1501A Jun 1947 75284 Feb 1965 Traded to EMD in February 1965.
UP 1602 UP 1502A Jun 1947 75285 Feb 1965 Traded to EMD in February 1965.
UP 1603 UP 1503A Jul 1947 75292 Feb 1965 Traded to EMD in February 1965.
UP 1604 UP 1504A Jul 1947 75293 Aug 1964  
UP 1605 UP 1505A Jul 1947 75294 Aug 1964  
UP 1606 UP 1506A Sep 1947 75295 Aug 1964  
UP 1607 UP 1507A Sep 1947 75300 Feb 1965 Traded to EMD in February 1965.
UP 1608 UP 1508A Sep 1947 75301 May 1965  
UP 1609 UP 1509A Sep 1947 75306 Feb 1965 Traded to EMD in February 1965.
UP 1610 UP 1510A Oct 1947 75307 May 1965 Traded to EMD in May 1965.
UP 1611 UP 1511A Oct 1947 75308 May 1965 Traded to EMD in May 1965.
UP 1612 UP 1512A Oct 1947 75309 Aug 1964  
UP 1613 UP 1513A Oct 1947 75314 May 1965 Traded to EMD in May 1965.
UP 1614 UP 1514A Nov 1947 75414 May 1965 Traded to EMD in May 1965.
UP 1615 UP 1515A Nov 1947 75415 Aug 1964 Traded to EMD in February 1965.
UP 1616 UP 1516A Nov 1947 75416 Feb 1965 Traded to EMD in February 1965.
UP 1617 UP 1517A Nov 1947 75421 Mar 1963 Traded to EMD in March 1963.
UP 1618 UP 1518A Nov 1947 75422 May 1965 Traded to EMD in May 1965.
UP 1619 UP 1519A Nov 1947 75423 Sep 1965 Traded to EMD in September 1965.
UP 1620 UP 1520A Dec 1947 75424 Aug 1964  
UP 1621 UP 1521A Dec 1947 75427 May 1965 Traded to EMD in May 1965.
UP 1622 UP 1522A Dec 1947 75286 Aug 1964  
UP 1623 UP 1523A Dec 1947 75287 Aug 1964  
UP 1624 UP 1542A Feb 1948 75707 Sep 1965 Traded to EMD in September 1965.
UP 1625 UP 1543A Feb 1948 75708 May 1965 Traded to EMD in May 1965.
UP 1626   Sep 1948 75997 May 1965 Traded to EMD in May 1965.
UP 1627   Aug 1948 75998 Sep 1965 Traded to EMD in September 1965.
UP 1628   Aug 1948 75999 Sep 1965 Traded to EMD in September 1965.
UP 1629   Aug 1948 76000 Aug 1964  
UP 1630   Aug 1948 76001 Aug 1964  
UP 1631   Aug 1948 76002 Feb 1965 Traded to EMD in February 1965.
UP 1632   Sep 1948 76003 Feb 1965 Traded to EMD in February 1965.
UP 1633   Sep 1948 76004 Aug 1964  
UP 1634   Sep 1948 76005 Feb 1965 Traded to EMD in February 1965.
UP 1635   Sep 1948 76006 Feb 1965 Traded to EMD in February 1965.
UP 1636   Sep 1948 76007 Aug 1964 Scrapped in Buffalo, New York in April 1965.
UP 1637   Sep 1948 76008 Sep 1965 Traded to Alco in September 1965.
UP 1638   Sep 1948 76009 May 1965 Traded to EMD in May 1965.
UP 1639   Sep 1948 76010 Aug 1964  
UP 1640   Sep 1948 76011 Aug 1964  
UP 1641   Sep 1948 76012 Sep 1965 Traded to EMD in September 1965.
UP 1642   Sep 1948 76013 Feb 1965 Traded to EMD in February 1965.
UP 1643   Sep 1948 76014 Sep 1965 Traded to EMD in September 1965.

General Notes:

a. UP 1600-1623 built as 1500A-1523A; Renumbered to UP 1600-1623 during 1948.
b. UP 1624 and 1625 built as 1542A and 1543A; Renumbered to UP 1624 and 1625 prior to entering service.
c. Seven units (UP 1601, 1616, 1624, 1627, 1628, 1637, 1641) were leased to Canadian Pacific during late February and March 1964.
d. UP 1600-1623 had Alco order number 20107 (S-3030 and S-3038).
e. UP 1624 and 1625 had Alco order number 20198 (S-3054).
f. UP 1626-1643 had Alco order number 20254 (S-3064).
   

Alco FB-1 -- 44 units
1500 horsepower; B-B trucks; 234,800 pounds operating weight

Road
Number
First
Number
Builder
Date
Builder
Number
Date
Retired

Notes
UP 1600B UP 1524B Jun 1947 75439 Aug 1964  
UP 1600C UP 1525B Jun 1947 75440 May 1963  
UP 1602B UP 1526B Jun 1947 75441 May 1965 Traded to EMD in May 1965.
UP 1602C UP 1527B Jul 1947 75444 Feb 1965 Traded to EMD in February 1965.
UP 1604B UP 1528B Jul 1947 75445 Aug 1964  
UP 1604C UP 1529B Aug 1947 75446 May 1963  
UP 1606B UP 1530B Sep 1947 75447 Sep 1965 Traded to EMD in September 1965.
UP 1606C UP 1531B Sep 1947 75452 Aug 1964  
UP 1608B UP 1532B Oct 1947 75453 Sep 1965 Traded to EMD in September 1965.
UP 1608C UP 1533B Nov 1947 75585 Sep 1965 Traded to GE in September 1965.
UP 1610B UP 1534B Nov 1947 75586 Sep 1965 Traded to GE in September 1965.
UP 1610C UP 1535B Nov 1947 75589 May 1965 Traded to EMD in May 1965.
UP 1612B UP 1536B Oct 1947 75590 May 1963  
UP 1612C UP 1537B Nov 1947 75591 May 1963  
UP 1614B UP 1538B Nov 1947 75592 Sep 1965 Traded to EMD in September 1965.
UP 1614C UP 1539B Dec 1947 75596 Sep 1965 Traded to GE in September 1965; scrapped in Buffalo, New York, in December 1965.
UP 1616B UP 1540B Feb 1948 75755 Aug 1964 Traded to EMD in February 1965.
UP 1616C UP 1541B Feb 1948 75756 Feb 1965 Traded to EMD in February 1965.
UP 1618B   Sep 1948 76046 Sep 1965  
UP 1618C   Sep 1948 76047 Aug 1964  
UP 1620B   Aug 1948 76048 May 1965 Traded to EMD in May 1965.
UP 1620C   Aug 1948 76049 May 1965 Traded to EMD in May 1965.
UP 1622B   Aug 1948 76050 May 1965 Traded to GE in May 1965; en route in November 1965.
UP 1622C   Aug 1948 76051 Feb 1965 Traded to EMD in February 1965.
UP 1624B   Aug 1948 76052 May 1965 Traded to EMD in May 1965.
UP 1624C   Aug 1948 76053 Sep 1965 Traded to EMD in September 1965.
UP 1626B   Aug 1948 76054 Aug 1964  
UP 1626C   Aug 1948 76055 May 1965 Traded to EMD in May 1965.
UP 1628B   Aug 1948 76056 Sep 1965 Traded to GE in September 1965; scrapped in Buffalo, New York, in December 1965.
UP 1628C   Aug 1948 76057 May 1965 Traded to EMD in May 1965.
UP 1630B   Sep 1948 76058 Aug 1964  
UP 1630C   Sep 1948 76059 Aug 1964 Scrapped in Buffalo, New York, in April 1965.
UP 1632B   Sep 1948 76060 May 1965 Traded to EMD in May 1965.
UP 1632C   Sep 1948 76061 Aug 1964  
UP 1634B   Sep 1948 76062 May 1965 Traded to EMD in May 1965.
UP 1634C   Sep 1948 76063 May 1965 Traded to GE in May 1965.
UP 1636B   Sep 1948 76064 Sep 1965 Traded Alco in September 1965; scrapped in Buffalo, New York, in December 1965.
UP 1636C   Sep 1948 76065 Sep 1965 Traded to EMD in September 1965.
UP 1638B   Sep 1948 76066 May 1965 Traded to EMD in May 1965.
UP 1638C   Sep 1948 76067 Sep 1965 Traded to GE in September 1965; scrapped in Buffalo, New York, in December 1965.
UP 1640B   Sep 1948 76068 Aug 1964  
UP 1640C   Sep 1948 76069 Feb 1965 Traded to EMD in February 1965.
UP 1642B   Sep 1948 76070 Aug 1964  
UP 1642C   Sep 1948 76071 Sep 1965 Traded to EMD in September 1965.

General Notes:

a. UP 1600B,C-1614B,C were delivered as 1524B-1539B; Renumbered to UP 1600 series during 1948.
b. UP 1616B and 1616C were delivered as 1540B and 1541B; Renumbered to UP 1600 series prior to entering service.
c. Eight units (UP 1608B, 1608C, 1614B, 1616C, 1618B, 1636B, 1636C, 1642B) were leased to Canadian Pacific during late February and March 1964.
d. UP 1600B,C-1614B,C had Alco order number 20108 (S-3039 and S-3048).
e. UP 1616B and 1616C had Alco order number 20199 (S-3055).
f. UP 1618B,C-1642B,C had Alco order number 20255 (S-3066).

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