All Time UP Diesel Roster, Part 23

EMD F3B — 60 units
1500 horsepower; B-B trucks; 247,300 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date Retired	Notes
1400B	1442B	May 1947	4605	Dec 1962	Traded to EMD in January 1963.
1400C	1443B	May 1947	4606	Mar 1964	Traded to EMD in March 1964.
1402B	1444B	May 1947	4607	Feb 1963	Traded to EMD in February 1963.
1402C	1445B	May 1947	4608	Feb 1964	Traded to EMD in February 1964.
1404B	1446B	Oct 1947	4647	May 1963	Traded to EMD in May 1963.
1404C	1447B	Oct 1947	4648		Renumbered to 1526C in August 1951.
1406B	1448B	Oct 1947	4649		Renumbered to 1528B in May 1951.
1406C	1449B	Oct 1947	4650		Renumbered to 1528C in October 1951.
1408B	1450B	Oct 1947	4651	Mar 1964	Traded to EMD in March 1964.
1408C	1451B	Oct 1947	4652	Jun 1964	Traded to EMD in May 1964.
1410B	1452B	Jan 1948	4653	May 1963	Traded to EMD in May 1963.
1410C	1453B	Jan 1948	4654	May 1964	Traded to EMD in May 1964.
1412B	1454B	Jan 1948	4655	Feb 1963	Traded to EMD in February 1963.
1412C	1455B	Jan 1948	4656	Jul 1964	Traded to EMD in July 1964.
1414B	1456B	Jan 1948	4657		Renumbered to 1530B in May 1951.
1414C	1457B	Jan 1948	4658	Feb 1963	Traded to EMD in February 1963.
1416B	1458B	Jan 1948	4659	Mar 1963	Traded to EMD in March 1963.
1416C	1459B	Jan 1948	4660	Feb 1963	Traded to EMD in February 1963.
1418B	1460B	Jan 1948	4661		Renumbered to 1526B in September 1950.
1418C	1461B	Jan 1948	4662	Mar 1963	Traded to EMD in March 1963.
1420B	1462B	Jan 1948	4663		Renumbered to 1524B in January 1951.
1420C	1463B	Jan 1948	4664		Renumbered to 1524C in January 1951.
1422B	1464B	Feb 1948	4665		Renumbered to 1522C in December 1950.
1422C	1465B	Feb 1948	4666	May 1949	Wrecked on 30 January 1949 at Coolige, Idaho; scrapped.
1424B		Feb 1948	4667		Renumbered to 1522B in August 1950.
1424C		Feb 1948	4668		Renumbered to 1520C in October 1950.
1426B		Feb 1948	4669		Renumbered to 1520B in December 1950.
1426C		Feb 1948	4670		Renumbered to 1518C in August 1950.
1428B		Mar 1948	4671		Renumbered to 1518B in March 1951.
1428C		Mar 1948	4672	Dec 1962	Traded to EMD in January 1963.
1430B		Sep 1948	6374	Jun 1964	Traded to EMD in June 1964.
1430C		Sep 1948	6375	Dec 1962	Traded to EMD in January 1963.
1432B		Sep 1948	6729	Jun 1963	Traded to EMD in June 1963.
1432C		Sep 1948	6730	May 1964	Traded to EMD in June 1964.
1434B		Dec 1948	6745	May 1963	Traded to EMD in May 1963.
1434C		Dec 1948	6746	Jun 1964	Traded to EMD in June 1964.
1436B		Dec 1948	6747	Jun 1964	Traded to EMD in June 1964.
1436C		Dec 1948	6748	May 1963	Traded to EMD in May 1963.
1438B		Dec 1948	6749	Aug 1964	Traded to EMD in August 1964.
1438C		Dec 1948	6750	Apr 1963	Traded to EMD in April 1963.
1440B		Jan 1949	6751	May 1964	Traded to EMD in May 1964.
1440C		Jan 1949	6752	Aug 1964	Traded to EMD in August 1964.
1442B		Apr 1948	6356		Renumbered to 1500B in April 1950.
1442C		Apr 1948	6357		Renumbered to 1500C in August 1950.
1444B		Apr 1948	6358		Renumbered to 1502B in September 1950.
1444C		Apr 1948	6359		Renumbered to 1502C in June 1950.
1446B		May 1948	6360		Renumbered to 1504B in October 1950.
1446C		May 1948	6361		Renumbered to 1504C in May 1950.
1448B		Jul 1948	6362		Renumbered to 1506B in May 1950.
1448C		Jul 1948	6363		Renumbered to 1506C in November 1950.
1450B		Jul 1948	6364		Renumbered to 1508B in November 1950.
1450C		Jul 1948	6365		Renumbered to 1508C in June 1950.
1452B		Jul 1948	6366		Renumbered to 1510B in July 1950.
1452C		Jul 1948	6367		Renumbered to 1510C in July 1950.
1454B		Jul 1948	6368		Renumbered to 1512B in June 1950.
1454C		Jul 1948	6369		Renumbered to 1512C in July 1950.
1456B		Sep 1948	6370		Renumbered to 1514B in June 1950.
1456C		Sep 1948	6371		Renumbered to 1514C in August 1950.
1458B		Sep 1948	6372		Renumbered to 1516B in October 1950.
1458C		Sep 1948	6373		Renumbered to 1516C in July 1950.

General Notes:

a.	UP 1400B,C-1422B,C (24 units, even numbers only) were built as UP 1442B-1465B; renumbered to UP 1400B,C-1422B,C during early 1948. The remaining six units in the order, UP 1424B,C, 1426B,C, 1428B,C, were delivered with those numbers.
b.	Thirty-one units (UP 1404C, 1406B, 1406C, 1414B, 1418B, 1420B, 1420C, 1422B, 1424B, 1424C, 1426B, 1426C, 1428B, 1442B,C-1458B,C) were renumbered to UP 1500 series and assigned to the Northwestern District in 1950-1951.
c.	UP 1430B,C-1440B,C (12 units, even numbers only) were equipped with steam generators for passenger service.
d.	Many units were converted to F7 specifications by Union Pacific, including upgraded dynamic braking with a 48 inch fan.
e.	UP 1400B,C-1428B,C were built on EMD order number E818.
f.	UP 1430B,C-1458B,C were built on EMD order number E939.

EMD F3B — 16 units
1500 horsepower; B-B trucks; 248,600 pounds operating weight

Road Number	First Number	Second Number	Builder Date	Builder Number	Date To 1451 Series	Date Retired	Notes
1451B	969B	900B	Sep 1947	4485	Jul 1953	Dec 1962	Traded to EMD in January 1963.
1451C	970B	900C	Sep 1947	4486	Sep 1953	Apr 1963	Traded to EMD in April 1963.
1452B	971B	901B	Sep 1947	4487	Jul 1953	May 1963	Traded to EMD in May 1963.
1452C	972B	901C	Sep 1947	4488	Jul 1953	Jun 1964	Traded to EMD in June 1964.
1453B	973B	902B	Sep 1947	4489	Sep 1953	Jul 1964	Traded to EMD in July 1964.
1453C	974B	902C	Sep 1947	4490	Aug 1953	Jul 1964	Traded to EMD in July 1964.
1454B	975B	903B	Sep 1947	4491	Apr 1953	Aug 1964	Traded to EMD in August 1964.
1454C	976B	903C	Sep 1947	4842	May 1953	Aug 1964	Traded to EMD in August 1964.
1455B	977B	904B	Sep 1947	4843	Aug 1953	Mar 1963	Traded to EMD in March 1963.
1455C	978B	904C	Sep 1947	4844	Aug 1953	Mar 1964	Traded to EMD in March 1964.
1456B	905B		May 1948	6666	Apr 1953	Dec 1962	Traded to EMD in January 1963.
1456C	905C		May 1948	6667	Jun 1953	Dec 1962	Traded to EMD in January 1963.
1457B	907B		Jun 1948	6668	Jun 1953	Feb 1963	Traded to EMD in February 1963.
1457C	907C		Jun 1948	6669	Jun 1953	Mar 1963	Traded to EMD in March 1963.
1458B	909B		Jun 1948	6670	Oct 1953	Mar 1964	Traded to EMD in March 1964.
1458C	909C		Jun 1948	6671	Sep 1953	Dec 1962	Traded to EMD in January 1963.

General Notes:

a.	UP 1451B,C-1455B,C were built for passenger service as UP 969B-978B; renumbered to UP 900B,C-904B,C in March and April 1948. Regeared for freight service and renumbered to the 1451 series in April to September 1953.
b.	UP 1456B,C-1458B,C were built for passenger service as UP 905B-909C. Regeared for freight service and renumbered to UP 1456 series in April to June 1953.
c.	Originally equipped with steam generators, water tanks, and high speed gear ratio for passenger service. Steam generators retired in place when units reassigned to freight service.
d.	Earlier rosters of Union Pacific F-units have shown 1456B,C, 1457B,C, and 1458B,C as 1456B,C, 1458B,C, and 1460B,C. Photographic evidence has come to light showing that a 1457C did exist, therefore the assumption is made that 1457B also existed.
e.	UP 1451B,C-1455B,C were built on EMD order number E845.
f.	UP 1456B,C-1458B,C were built on EMD order number E1019.

EMD F7A — 17 units
1500 horsepower; B-B trucks; 248,700 pounds operating weight

Road Number	Builder Date	Builder Number	Date Retired	Notes
1464	Apr 1952	6333	Mar 1963	Traded to EMD in March 1963.
1465	Mar 1952	6718	Jun 1963	Traded to EMD in June 1963.
1466	Mar 1951	13982	Feb 1963	Traded to EMD in February 1963.
1467	Mar 1951	13983	Jun 1964	Traded to EMD in June 1964.
1468	Mar 1951	13984	May 1964	Traded to EMD in May 1964.
1469	Mar 1951	13985	Jun 1964	Traded to EMD in June 1964.
1470	Mar 1951	13986	Feb 1964	Traded to EMD in February 1964.
1471	Oct 1951	15087	Jul 1964	Traded to EMD in July 1964.
1472	Oct 1951	15088	Apr 1963	Traded to EMD in April 1963.
1473	Oct 1951	15089	May 1964	Traded to EMD in May 1964.
1474	Oct 1951	15090	Feb 1964	Traded to EMD in February 1964.
1475	Oct 1951	15091	Mar 1963	Traded to EMD in March 1963.
1476	Oct 1951	15092	Jul 1964	Traded to EMD in July 1964.
1477	Oct 1951	15093	May 1964	Traded to EMD in May 1964.
1478	Oct 1951	15094	Apr 1963	Traded to EMD in April 1963.
1479	Oct 1951	15095	Mar 1963	Traded to EMD in March 1963.
1480	Oct 1951	15096	Mar 1963	Traded to EMD in March 1963.

General Notes:

a.	UP 1464 was rebuilt from wrecked UP F3A 1504 (wrecked on 25 November 1951 at Orchard, Idaho).
b.	UP 1465 was rebuilt from wrecked UP F3A 1553 (wrecked on 25 November 1951 at Orchard, Idaho).
c.	UP 1466 was wrecked on 24 March 1951 at Green River, Wyo.; rebuilt in June 1952 by EMD at La Grange, Ill. (EMD rebuild order number 8013).
d.	UP 1464 was built under EMD rebuild order number 8008.
e.	UP 1465 was built under EMD rebuild order number 8011.
f.	UP 1466-1470 were built on EMD order number 6237.
g.	UP 1471-1480 were built on EMD order number 3094.

EMD F7A — 3 units
1500 horsepower; B-B trucks; 248,700 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date To UP	Date Retired	Notes
1481	EMD 459A	Aug 1952	17412	Oct 1952	May 1963	Traded to EMD in May 1963.
1482	EMD 459D	Aug 1952	17413	Oct 1952	Dec 1962	Traded to EMD in January 1963.
1483	EMD 5040	Jul 1950	12466	Jan 1953	Jun 1964	Traded to EMD in June 1964.

General Notes:

a.	UP 1481 and 1482 were built in August 1952 as EMD F7A demonstrators for demonstration tests on Chicago & North Western and on Norfolk & Western (see photo while in N&W service in Trains magazine, December 1952, page 12); sold to UP prior to tests on N&W, reconditioned after tests and delivered to UP as new units in October 1952.
b.	UP 1483 was built as EMD F7A demonstrator 5040; sold to UP in January 1953.
c.	UP 1481 and 1482 were built on EMD order number 6459.
d.	UP 1483 was built on EMD order number 6499.

EMD F7B — 2 units
1500 horsepower; B-B trucks;247,600 pounds operating weight

Road Number	Builder Date	Builder Number	Date Retired	Notes
1464B	Mar 1952	4657	Feb 1963	Traded to EMD in February 1963.
1464C	Mar 1952	6740	Dec 1962	Traded to EMD in January 1963.

General Notes:

a.	UP 1464B rebuilt under EMD rebuild order number 8009 from wrecked UP F3B 1530B, wrecked on 25 November 1951 at Orchard, Idaho
b.	UP 1464C rebuilt under EMD rebuild order number 8010 from wrecked UP F3A 1558C, wrecked on 25 November 1951 at Orchard, Idaho

EMD F7B — 10 units
1500 horsepower; B-B trucks; 247,600 pounds operating weight

Road Number	Builder Date	Builder Number	Date Retired	Notes
1466B	Mar 1951	13987	Mar 1963	Traded to EMD in March 1963.
1466C	Mar 1951	13988	Jul 1964	Traded to EMD in July 1964.
1468B	Mar 1951	13989	Jun 1964	Traded to EMD in June 1964.
1468C	Mar 1951	13990	Mar 1963	Traded to EMD in March 1963.
1470B	Mar 1951	13991	Feb 1964	Traded to EMD in February 1964.
1470C	Mar 1951	13992	May 1964	Traded to EMD in May 1964.
1472B	Mar 1951	13993	Jul 1964	Traded to EMD in July 1964.
1472C	Mar 1951	13994	Jun 1964	Traded to EMD in June 1964.
1474B	Mar 1951	13995	Apr 1963	Traded to EMD in April 1963.
1474C	Mar 1951	13996	Jun 1964	Traded to EMD in June 1964.

General Notes:

a.	UP 1466B and 1466C were wrecked on 24 March 1951 at Green River, Wyo.; rebuilt by EMD at La Grange, Ill., in June 1952 (EMD rebuild order numbers 8014 and 8015).
b.	UP 1466B,C-1474B,C were built on EMD order number 6237.

EMD F7B — 20 units
1500 horsepower; B-B trucks; 247,600 pounds operating weight

Road Number	Builder Date	Builder Number	Date Retired	Notes
1476B	Oct 1951	15097	May 1963	Traded to EMD in May 1963.
1476C	Oct 1951	15098	Feb 1964	Traded to EMD in February 1964.
1478B	Oct 1951	15099	Dec 1962	Traded to EMD in January 1963.
1478C	Oct 1951	15100	Jun 1964	Traded to EMD in June 1964.
1480B	Oct 1951	15101	Feb 1964	Traded to EMD in February 1964.
1480C	Oct 1951	15102	Dec 1962	Traded to EMD in January 1963.
1482B	Oct 1951	15103	Mar 1963	Traded to EMD in March 1963.
1482C	Oct 1951	15104	May 1964	Traded to EMD in May 1964.
1484B	Oct 1951	15105	Dec 1962	Traded to EMD in January 1963.
1484C	Oct 1951	15106	Feb 1963	Traded to EMD in February 1963.
1486B	Oct 1951	15107	Aug 1964	Traded to EMD in August 1964.
1486C	Oct 1951	15108	May 1963	Traded to EMD in May 1963.
1488B	Oct 1951	15109	May 1964	Traded to EMD in May 1964.
1488C	Oct 1951	15110	Mar 1963	Traded to EMD in March 1963.
1490B	Oct 1951	15111	Jan 1963	Traded to EMD in January 1963.
1490C	Oct 1951	15112	Feb 1963	Traded to EMD in February 1963.
1492B	Nov 1951	15113	Jul 1964	Traded to EMD in July 1964.
1492C	Nov 1951	15114	Feb 1964	Traded to EMD in February 1964.
1494B	Nov 1951	15115	May 1963	Traded to EMD in May 1963.
1494C	Nov 1951	15116	May 1964	Traded to EMD in May 1964.

General Note:

a.	Built on EMD order number 3094.

EMD F7B — 2 units
1500 horsepower; B-B trucks; 247,600 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date To UP	Date Retired	Notes
1496B	EMD 459B	Aug 1952	17414	Oct 1952	May 1963	Traded to EMD in May 1963.
1496C	EMD 459C	Aug 1952	17415	Oct 1952	Apr 1963	Traded to EMD in April 1963.

General Notes:

a.	Built as EMD F7B demonstrators for demonstration tests on Norfolk & Western; sold to UP prior to tests on N&W, reconditioned after tests and delivered to UP as new units in October 1952.
b.	Built on EMD order number 6459.

EMD FP7 — 2 units
1500 horsepower; B-B trucks; 255,100 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date Retired	Notes
1498	911	Apr 1952	17231	Jul 1964	Traded to EMD in July 1964.
1499	912	Apr 1952	17234	Aug 1964	Traded to EMD in August 1964.

General Notes:

a.	Built as 911, 912, with steam generators and water tanks for passenger service; regeared and reassigned to freight service in February 1956.
b.	Steam generators retired in place when reassigned to freight service.
c.	Built on EMD order number 6444.

EMD F7B — 2 units
1500 horsepower; B-B trucks; 244,900 pounds operating weight

Road Number	First Number	Builder Date	Builder Number	Date Retired	Notes
1498B	910B	Apr 1952	17232	Aug 1964	Traded to EMD in August 1964.
1498C	910C	Apr 1952	17233	May 1965	Traded to EMD in May 1965.

General Notes:

a.	Built as 910B and 910C with steam generators and water tanks for passenger service; renumbered to 1498B and 1498C, regeared and reassigned to freight service in February 1956.
b.	Steam generators retired in place when reassigned to freight service.
c.	Built on EMD order number 6444.

EMD SDP35 — 10 units
2500 horsepower; C-C trucks; 16-567D3A engine; operating weight: (see general note, below)

Road Number	Builder Date	Builder Number	Date Retired	Notes
1400	Aug 1965	30671	Apr 1985	1
1401	Aug 1965	30672	Apr 1985	1
1402	Aug 1965	30673	Apr 1985	1
1403	Aug 1965	30674	Apr 1985	1
1404	Aug 1965	30675	Apr 1985	1
1405	Aug 1965	30676	Apr 1985	1
1406	Sep 1965	30677	Apr 1985	1
1407	Sep 1965	30678	Apr 1985	2
1408	Sep 1965	30679	Apr 1985	1
1409	Sep 1965	30680	Jan 1985	3

General Notes:

a.	UP 1400-1409 were originally ordered to be delivered as UP 980-989, numbered after the highest numbered E9B, number 974B. The SDP35s were UP's "modern" passenger power, delivered in August 1965, just 21 months after the delivery of the newest E9A, UP 914, in December 1963.
b.	UP 1400-1409 had 379,600 pounds operating weight in freight service and 388,900 pounds operating weight in passenger service.
c.	UP's SDP35s were in storage due to the nationwide recession from June 1980 until retirement in 1985, first at North Platte, Neb., until September 1981, then at Yermo, Calif.
d.	UP 1409 was the last SDP35 operating on UP; removed from storage at Yermo, Calif., in June 1983 to protect Amtrak's California Zephyr operation across Wyoming.
e.	Built on EMD order number 7824.

Notes:

1.	UP 1400-1406, 1408 were sold for scrap to St. Louis Auto Shredding, East St. Louis, Ill., in December 1985.
2.	UP 1407 was traded to EMD in August 1986; scrapped by Pielet Brothers Scrap Iron & Metal, McCook, Ill. (Originally donated to Orange Empire Railway Museum, Perris, Calif., in October 1985; donation rescinded.)
3.	UP 1409 was sold for scrap to Erman Corp., Turner, Kansas, 20 December 1985.