UP 1915 Steam Roster, Part 17

UP 0-6-0 — 20 locomotives

1915 UP Number	First Number	Builder	Builder Number	Date Built	Date To 4360 Series	Date Vacated	Notes
UP 4360	UP 1211	Baldwin	27481	Feb 1906	30 Jun 1915	Sep 1930
UP 4361	UP 1212	Baldwin	27482	Feb 1906	29 Aug 1915	Sep 1930	1
UP 4362	UP 1213	Baldwin	27488	Feb 1906	17 Feb 1915	May 1928
UP 4363	UP 1214	Baldwin	27489	Feb 1906	29 Apr 1915	Nov 1927
UP 4364	UP 1215	Baldwin	27490	Feb 1906	8 Feb 1915	Oct 1927
UP 4365	UP 1216	Baldwin	27503	Feb 1906	19 Apr 1915	Dec 1933
UP 4366	UP 1217	Baldwin	27504	Feb 1906	24 Apr 1915	May 1936
UP 4367	UP 1218	Baldwin	27505	Feb 1906	31 May 1915	Oct 1923	2
UP 4368	UP 1219	Baldwin	27514	Feb 1906	6 Dec 1915	Aug 1929
UP 4369	UP 1220	Baldwin	27515	Feb 1906	2 Aug 1915	Oct 1923	3
UP 4370	UP 1221	Baldwin	30607	Apr 1907	14 Aug 1915	Oct 1927
UP 4371	UP 1222	Baldwin	30626	Apr 1907	29 Mar 1915	Oct 1927
UP 4372	UP 1223	Baldwin	30627	Apr 1907	20 Mar 1915	Oct 1927
UP 4373	UP 1224	Baldwin	30628	Apr 1907	17 Aug 1915	Oct 1927
UP 4374	UP 1225	Baldwin	30629	Apr 1907	8 Mar 1915	Sep 1934
UP 4375	UP 1226	Baldwin	30630	Apr 1907	24 May 1915	Oct 1923	4
UP 4376	UP 1227	Baldwin	30631	Apr 1907	9 Apr 1915	May 1928
UP 4377	UP 1228	Baldwin	30632	Apr 1907	5 Jun 1915	Oct 1923	5
UP 4378	UP 1229	Baldwin	30674	Apr 1907	21 Aug 1915	Oct 1923
UP 4379	UP 1230	Baldwin	30675	Apr 1907	12 Apr 1915	Sep 1928	6

Description:

CS Class: S-2

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 19x26 inches

Maximum Tractive Effort: 27,376 pounds

Weight on Drivers: 142,840 pounds

Weight in Working Order (Engine Only): 142,840 pounds

Weight in Working Order (Engine and Tender): 227,540 pounds

Fuel: Coal

General Notes:

a.	UP 4360-4379 were built as UP 1211-1230 in 1906-1907; renumbered to UP 4360-4379 in 1915.

Notes:

1.	UP 4361 was sold to Laramie Valley Railroad as their number 2.
2.	UP 4367 was transferred to OSL in October 1923; renumbered to OSL 4759.
3.	UP 4369 was transferred to OSL in October 1923; renumbered to OSL 4760.
4.	UP 4375 was transferred to OSL in October 1923; renumbered to OSL 4761
5.	UP 4377 was transferred to OSL in October 1923; renumbered to OSL 4762
6.	UP 4378 was transferred to OSL in October 1923; renumbered to OSL 4763

UP 0-6-0 — 1 locomotive

1915 UP Number	First Number	Builder	Builder Number	Date Built	Date To UP 4380	Date Vacated
UP 4380	UP 1231	Brooks	45069	Mar 1908	7 Sep 1915	Aug 1929

Description:

CS Class: S-2

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 19x26 inches

Maximum Tractive Effort: 27,376 pounds

Weight on Drivers: 142,840 pounds

Weight in Working Order (Engine Only): 142,840 pounds

Weight in Working Order (Engine and Tender): 227,540 pounds

Fuel: Coal

General Notes:

a.	UP 4380 was built as UP 1231 in 1908; renumbered to UP 4380 in 1915; vacated in 1923

UP 0-6-0 — 10 locomotives

1915 UP Number	First Number	Builder	Builder Number	Date Built	Date To 4381 Series	Date Vacated
UP 4381	UP 1232	Baldwin	33754	Sep 1909	17 Apr 1915	Nov 1927
UP 4382	UP 1233	Baldwin	33755	Sep 1909	31 May 1915	Dec 1930
UP 4383	UP 1234	Baldwin	33756	Sep 1909	1 Jul 1915	Dec 1930
UP 4384	UP 1235	Baldwin	33757	Sep 1909	23 Aug 1915	Oct 1928
UP 4385	UP 1236	Baldwin	33770	Sep 1909	28 Apr 1915	Nov 1927
UP 4386	UP 1237	Baldwin	33771	Sep 1909	18 Jun 1915	Dec 1936
UP 4387	UP 1238	Baldwin	33772	Sep 1909	8 Jun 1915	May 1928
UP 4388	UP 1239	Baldwin	33773	Sep 1909	15 Feb 1915	Aug 1929
UP 4389	UP 1240	Baldwin	33786	Sep 1909	28 Mar 1915	Oct 1928
UP 4390	UP 1241	Baldwin	33787	Sep 1909	3 Feb 1915	Oct 1927

Description:

CS Class: S-2

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 19x26 inches

Maximum Tractive Effort: 27,376 pounds

Weight on Drivers: 142,840 pounds

Weight in Working Order (Engine Only): 142,840 pounds

Weight in Working Order (Engine and Tender): 227,540 pounds

Fuel: Coal

General Notes:

a.	UP 4381-4390 were built as UP 1232-1241 in 1909 and 1911; renumbered to UP 4381-4390 in 1915.

UP 0-6-0 — 10 locomotives

1915 UP Number	First Number	Builder	Builder Number	Date Built	Date To 4391 Series	Date Vacated
UP 4391	UP 1242	Baldwin	36403	Apr 1911	24 Mar 1915	May 1928
UP 4392	UP 1243	Baldwin	36404	Apr 1911	24 Oct 1915	Dec 1930
UP 4393	UP 1244	Baldwin	36405	Apr 1911	25 Aug 1915	Oct 1928
UP 4394	UP 1245	Baldwin	36406	Apr 1911	18 Feb 1915	Aug 1929
UP 4395	UP 1246	Baldwin	36456	Apr 1911	20 Jul 1915	Nov 1927
UP 4396	UP 1247	Baldwin	36457	Apr 1911	14 Oct 1915	Dec 1936
UP 4397	UP 1248	Baldwin	36458	Apr 1911	27 Feb 1915	Sep 1934
UP 4398	UP 1249	Baldwin	36459	Apr 1911	7 Jul 1915	Nov 1927
UP 4399	UP 1250 (2nd)	Baldwin	36460	Apr 1911	5 Mar 1915	May 1928
UP 4400	UP 1251 (2nd)	Baldwin	36461	Apr 1911	12 Aug 1915	Aug 1929

Description:

CS Class: S-2

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 19x26 inches

Maximum Tractive Effort: 27,376 pounds

Weight on Drivers: 142,840 pounds

Weight in Working Order (Engine Only): 142,840 pounds

Weight in Working Order (Engine and Tender): 227,540 pounds

Fuel: Coal

General Notes:

a.	UP 4391-4400 were built as UP 1242-1251 in 1911; renumbered to UP 4391-4400 in 1915.

UP 0-6-0 — 15 locomotives

1915 UP Number	First Number	Builder	Builder Number	Date Built	Date To 4401 Series	Date Vacated	Notes
UP 4401	UP 1252	Baldwin	39516	Mar 1913	12 Apr 1915	Dec 1933
UP 4402	UP 1253	Baldwin	39517	Mar 1913	12 Mar 1915	Dec 1933
UP 4403	UP 1254	Baldwin	39518	Mar 1913	11 Jun 1915	Dec 1936
UP 4404	UP 1255	Baldwin	39519	Mar 1913	26 May 1915	Dec 1933
UP 4405	UP 1256	Baldwin	39520	Mar 1913	19 Feb 1915	Feb 1947
UP 4406	UP 1257	Baldwin	39521	Mar 1913	6 Feb 1915	Sep 1934
UP 4407	UP 1258	Baldwin	39522	Mar 1913	30 Jun 1915	1947	1
UP 4408	UP 1259	Baldwin	39531	Mar 1913	1 Jun 1915	Sep 1937	2
UP 4409	UP 1260	Baldwin	39540	Mar 1913	30 Apr 1915	Dec 1933
UP 4410	UP 1261	Baldwin	39541	Mar 1913	7 Apr 1915	Mar 1956
UP 4411	UP 1262	Baldwin	39542	Mar 1913	3 Apr 1915	May 1947
UP 4412	UP 1263	Baldwin	39543	Mar 1913	22 Jun 1915	Apr 1954
UP 4413	UP 1264	Baldwin	39544	Mar 1913	11 Mar 1915	Jan 1947
UP 4414	UP 1265	Baldwin	39545	Mar 1913	10 May 1915	Oct 1953
UP 4415	UP 1266	Baldwin	39546	Mar 1913	18 Apr 1915	Jan 1947

Description:

CS Class: S-4

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 19x26 inches

Maximum Tractive Effort: 27,376 pounds

Weight on Drivers: 154,682 pounds

Weight in Working Order (Engine Only): 154,682 pounds

Weight in Working Order (Engine and Tender): (varied due to different tender styles)

Fuel: Coal

General Notes:

a.	UP 4401-4415 were built as UP1252-1266 in 1913; renumbered to UP 4401-4415 in 1915.

Notes:

1.	UP 4407 was rebuilt to 0-6-0T shop switcher 4407 in 1947; assigned to Pocatello, Idaho; scrapped in July 1956.
2.	UP 4408 was sold to St. Joseph Terminal Company in 1937.

UP 0-6-0 — 5 locomotives

1915 UP Number	First Number	Builder	Builder Number	Date Built	Date To 4416 Series	Fuel	Date Vacated	Notes
UP 4416	UP 1267	Lima	1410	Aug 1914	24 Jul 1915	Coal	Mar 1947
UP 4417	UP 1268	Lima	1411	Aug 1914	4 Aug 1915	Oil	Apr 1954
UP 4418	UP 1269	Lima	1412	Aug 1914	7 Aug 1915	Coal	Sep 1934
UP 4419	UP 1270	Lima	1413	Aug 1914	19 Feb 1915	Coal	Jul 1946
UP 4420	UP 1271	Lima	1414	Aug 1914	7 Oct 1915	Coal	May 1958	1

Description:

CS Class: S-4

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 19x26 inches

Maximum Tractive Effort: 27,376 pounds

Weight on Drivers: 154,682 pounds

Weight in Working Order (Engine Only): 154,682 pounds

Weight in Working Order (Engine and Tender): (varied due to different tender styles)

Fuel: Coal

General Notes:

a.	UP 4416-4420 were built as UP 1267-1271 in 1914; renumbered to UP 4416-4420 in 1915.

Notes:

1.	UP 4420 was assigned to Evanston, Wyoming; out of service by August 1957; retired by UP in May 1958; donated to City of Evanston, Wyoming; moved for display in July 1958; displayed in Railroad Park, near Elm Street and Oak Street in the north part of the city.

UP 0-6-0 — 10 locomotives

Road Number	Builder	Builder Number	Date Built	Date Vacated	Notes
UP 4421	Baldwin	43534	Jul 1916	Feb 1948
UP 4422	Baldwin	43535	Jul 1916	Apr 1955
UP 4423	Baldwin	43536	Jul 1916	Oct 1950
UP 4424	Baldwin	43537	Jul 1916	Feb 1954
UP 4425	Baldwin	43538	Jul 1916	Apr 1952
UP 4426	Baldwin	43539	Jul 1916	Oct 1947
UP 4427	Baldwin	43540	Jul 1916	May 1947
UP 4428	Baldwin	43541	Jul 1916	Jun 1948	1
UP 4429	Baldwin	43542	Aug 1916	May 1930	2
UP 4430	Baldwin	43543	Aug 1916	Jan 1947

Description:

CS Class: S-5

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 21x26 inches

Maximum Tractive Effort: 34,400 pounds

Weight on Drivers: 156,000 pounds

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

Weight in Working Order (Engine and Tender): 245,600 pounds

Fuel: Coal

Notes:

UP 4428 was sold to Kansas City Connecting Railroad; scrapped in 1955.

UP 4429 was sold to Northern Pacific Terminal Company (Portland, Oregon) in May 1930 as their number 17; scrapped in 1950.

Northern Pacific Terminal Company was organized in 1882 and operated by ORy&N; operated by ORR&N after 1896; operated by OWRR&N after 1910; NPTCo was jointly owned as follows: NP with 40 percent, OWRR&N with 40 percent, and SP with 20 percent, with SP&S and GN as tenants; in 1965 NPTCo became Portland Terminal Railroad; as of 2001 ownership was 60 percent UP and 40 percent BNSF.

UP 0-6-0 — 20 locomotives

Road Number	Builder	Builder Number	Date Built	Fuel	Date Vacated	Notes
UP 4431	Baldwin	47969	Mar 1918	Coal	Dec 1947
UP 4432	Baldwin	48029	Mar 1918	Coal	Dec 1947
UP 4433	Baldwin	48078	Mar 1918	Coal	Dec 1953
UP 4434	Baldwin	48079	Mar 1918	Oil	Jul 1954	1
UP 4435	Baldwin	48199	Mar 1918	Oil	May 1948
UP 4436	Baldwin	48200	Mar 1918	Oil	Feb 1958	2
UP 4437	Baldwin	48271	Apr 1918	Coal	Jun 1958
UP 4438	Baldwin	48272	Apr 1918	Oil	Jul 1947
UP 4439	Baldwin	48273	Apr 1918	Oil	Aug 1957	3
UP 4440	Baldwin	48274	Apr 1918	Coal	Mar 1947	4
UP 4441	Baldwin	48275	Apr 1918	Coal	Feb 1949
UP 4442	Baldwin	48276	Apr 1918	Coal	Apr 1960	5
UP 4443	Baldwin	48351	Apr 1918	Oil	Feb 1948
UP 4444	Baldwin	48352	Apr 1918	Oil	Dec 1953
UP 4445	Baldwin	48353	Apr 1918	Oil	Aug 1947
UP 4446	Baldwin	48567	May 1918	Oil	May 1956
UP 4447	Baldwin	48568	May 1918	Oil	Jul 1956
UP 4448	Baldwin	48668	May 1918	Oil	Jan 1956
UP 4449	Baldwin	48669	May 1918	Oil	Jul 1956
UP 4450	Baldwin	48728	May 1918	Oil	Apr 1947

Description:

CS Class: S-5

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 21x26 inches

Maximum Tractive Effort: 34,400 pounds

Weight on Drivers: 156,000 pounds

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

Weight in Working Order (Engine and Tender): 245,600 pounds

Fuel: (see above)

General Notes:

a.	Photographs show that UP 4438 and 4439 were assigned to the Los Angeles area from about 1935 to the end of their careers in 1947 and 1957, respectively.

Notes:

1.	UP 4434 was sold to Bunker Hill and Sullivan Mining and Concentrate Company, Kellogg, Idaho.
2.	UP 4436 worked in Nebraska until the WW II era when it was moved to the Portland, Oregon area; converted to an oil burner at about the same time, including a change of tenders from its original slope-back design, to a small "Vanderbuilt" style; moved to Evanston, Wyoming after 1947; still there as late as October 1957 (likely the last steam locomotive assigned to Evanston); retired by UP in February 1958; donated to City of Ogden, Utah; displayed with SP 0-6-0 1297 at Affleck Park; moved to Ogden Union Station in 1993.
3.	UP 4439 was the last operating steam locomotive in the Los Angeles area; donated in August 1957 to Travel Town in Griffith Park, Los Angeles, California.
4.	UP 4440 was sold to St. Joseph Terminal Company.
5.	UP 4442 was assigned as the Omaha depot switcher, with chrome-plated cylinder covers, nickel-plated drive rods, and its boiler jacket extended over its smokebox and painted gray; moved to Las Vegas in the late 1930s; donated for exhibition; displayed at Clark County Museum, Henderson, Nevada.

UP 0-6-0 — 10 locomotives (USRA Pattern)

Road Number	Builder	Builder Number	Date Built	Date Vacated	1920 UP Number
UP 4451 (1st)	Pittsburgh	60425	Dec 1918	Sep 1920	UP 4600
UP 4452 (1st)	Pittsburgh	60426	Dec 1918	Sep 1920	UP 4601
UP 4453 (1st)	Pittsburgh	60427	Dec 1918	Sep 1920	UP 4602
UP 4454 (1st)	Pittsburgh	60428	Dec 1918	Sep 1920	UP 4603
UP 4455 (1st)	Pittsburgh	60429	Dec 1918	Sep 1920	UP 4604
UP 4456 (1st)	Pittsburgh	60430	Dec 1918	Sep 1920	UP 4605
UP 4457 (1st)	Pittsburgh	60431	Dec 1918	Sep 1920	UP 4606
UP 4458 (1st)	Pittsburgh	60432	Dec 1918	Sep 1920	UP 4607
UP 4459 (1st)	Pittsburgh	60433	Dec 1918	Sep 1920	UP 4608
UP 4460 (1st)	Pittsburgh	60434	Dec 1918	Sep 1920	UP 4609

Description:

CS Class: S-Special

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 21x28 inches

Maximum Tractive Effort: 39,100 pounds

Weight on Drivers: 165,000 pounds

Weight in Working Order (Engine Only): 165,000 pounds

Weight in Working Order (Engine and Tender): 324,700 pounds

Fuel: Coal

General Notes:

a.	All 10 locomotives renumbered from UP 4451-4460 to UP 4600-4609 in September 1920 to clear the 4400 series for new S-6 0-6-0 locomotives delivered in October 1920.

UP 0-6-0 — 30 locomotives

Road Number	Builder	Builder Number	Date Built	Fuel	Date Vacated	Notes
UP 4451 (2nd)	Lima	5988	Oct 1920	Coal	Dec 1953
UP 4452 (2nd)	Lima	5989	Oct 1920	Coal	May 1947
UP 4453 (2nd)	Lima	5990	Oct 1920	Coal	Oct 1955	1
UP 4454 (2nd)	Lima	5991	Oct 1920	Oil	Nov 1947
UP 4455 (2nd)	Lima	5992	Oct 1920	Coal	Jan 1949	2
UP 4456 (2nd)	Lima	5993	Oct 1920	Coal	Apr 1954
UP 4457 (2nd)	Lima	5994	Oct 1920	Coal	Mar 1948	3
UP 4458 (2nd)	Lima	5995	Oct 1920	Coal	Mar 1947
UP 4459 (2nd)	Lima	5996	Oct 1920	Oil	Jun 1956
UP 4460 (2nd)	Lima	5997	Oct 1920	Coal	Dec 1953
UP 4461	Lima	5998	Oct 1920	Coal	Jul 1956
UP 4462	Lima	5999	Oct 1920	Coal	Jul 1956
UP 4463	Lima	6000	Oct 1920	Coal	May 1947
UP 4464	Lima	6001	Oct 1920	Oil	Jul 1954	4
UP 4465	Lima	6002	Oct 1920	Coal	Feb 1947
UP 4466	Lima	6003	Oct 1920	Coal	Jul 1962	5
UP 4467	Lima	6004	Oct 1920	Coal	Mar 1954
UP 4468	Lima	6005	Oct 1920	Oil	Mar 1952
UP 4469	Lima	6006	Oct 1920	Coal	May 1947
UP 4470	Lima	6007	Oct 1920	Coal	Jul 1947
UP 4471	Lima	6008	Oct 1920	Coal	Jul 1956
UP 4472	Lima	6009	Oct 1920	Coal	Nov 1947
UP 4473	Lima	6010	Oct 1920	Coal	Apr 1947
UP 4474	Lima	6011	Oct 1920	Coal	Mar 1957
UP 4475	Lima	6012	Oct 1920	Coal	Jul 1956
UP 4476	Lima	6013	Oct 1920	Coal	Apr 1947	6
UP 4477	Lima	6014	Oct 1920	Coal	Jul 1956
UP 4478	Lima	6015	Oct 1920	Coal	Mar 1954
UP 4479	Lima	6016	Oct 1920	Coal	Mar 1954
UP 4480	Lima	6017	Nov 1920	Coal	Feb 1954

Description:

CS Class: S-6

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 21x26 inches

Maximum Tractive Effort: 34,400 pounds

Weight on Drivers: 159,000 pounds

Weight in Working Order (Engine Only): 159,000 pounds

Weight in Working Order (Engine and Tender): 251,800 pounds

Fuel: (see above)

General Notes:

a.	UP 4451-4460 were the second series to carry those numbers; UP 4451-4460 (1st) were USRA 0-6-0s renumbered to UP 4600-4609 in September 1920.
b.	UP 4466 was the last 0-6-0 in switching service on Union Pacific; operated in the fall of 1958 at Grand Island, Nebraska.

Notes:

1.	UP 4453 was sold to Monolith Portland Midwest Company, Laramie, Wyoming in 1955; retired in 1968. (Monolith Portland Midwest Company operated a cement milling plant at Laramie beginning in 1927 as Monolith Portland Cement Company; merged with Monolith Midwest Company in 1929 to form Monolith Portland Midwest Company; Monolith Portland Midwest was sold to Mountain Cement Company after 1987; the mill remains today [2008] at the same location, operating as Mountain Cement Company, a subsidiary of Eagle Materials.)
2.	UP 4455 was sold to Monolith Portland Midwest Company, Laramie, Wyoming in 1949; retired in 1970; donated to Colorado Railroad Museum, Golden, Colorado; remained stored across 44th Avenue from the museum until January 2008 when it was moved onto museum property.
3.	UP 4457 was sold to St. Joseph Terminal Company.
4.	UP 4464 was sold to Bunker Hill and Sullivan Mining and Concentrate Company, Kellogg, Idaho.
5.	UP 4466 was assigned as the Cheyenne shop switcher until it was moved to Grand Island, Nebraska sometime before April 1960; retired at Grand Island in July 1962 and held for historical purposes; donated to Railway & Locomotive Historical Society; moved to California in May 1973; donated to California Railroad Museum, Sacramento, California, in June 1978; restored to service in 1984, with partial support of UP; out of service since 1999 awaiting extensive boiler repairs.
6.	UP 4476 was wrecked on March 7, 1947 at Grand Island, Nebraska; retired in April 1947 and scrapped.

UP 0-8-0 — 1 locomotive

1924 UP Number	First Number	Second Number	Date To UP 4500	Builder	Builder Number	Date Built	Date Vacated
UP 4500	UP 1636	UP 416	Jun 1924	Baldwin	18032	Jul 1900	Aug 1946

Description:

Cabside Class: S-57

Drive Wheel Diameter: 57 inches

Cylinders: 21x30 inches

Maximum Tractive Effort: 39,458 pounds

Weight on Drivers: 197,000 pounds

Weight in Working Order (Engine Only): 197,000 pounds

Weight in Working Order (Engine and Tender): 303,000 pounds

Fuel: Coal

General Notes:

a.	UP 4500 was UP's only 0-8-0; built as UP 2-8-0 1636 in 1900; renumbered to UP 416 in May 1915; rebuilt to 0-8-0 4500 in June 1924.

UP 0-6-0 — 10 locomotives (USRA Pattern)

1920 UP Number	First Number	Date To 4600 Series	Builder	Builder Number	Date Built	Date Vacated
UP 4600	UP 4451 (1st)	Sep 1920	Pittsburgh	60425	Dec 1918	Jan 1956
UP 4601	UP 4452 (1st)	Sep 1920	Pittsburgh	60426	Dec 1918	Dec 1947
UP 4602	UP 4453 (1st)	Sep 1920	Pittsburgh	60427	Dec 1918	Feb 1954
UP 4603	UP 4454 (1st)	Sep 1920	Pittsburgh	60428	Dec 1918	Jun 1953
UP 4604	UP 4455 (1st)	Sep 1920	Pittsburgh	60429	Dec 1918	Oct 1954
UP 4605	UP 4456 (1st)	Sep 1920	Pittsburgh	60430	Dec 1918	Sep 1956
UP 4606	UP 4457 (1st)	Sep 1920	Pittsburgh	60431	Dec 1918	Dec 1947
UP 4607	UP 4458 (1st)	Sep 1920	Pittsburgh	60432	Dec 1918	Jun 1953
UP 4608	UP 4459 (1st)	Sep 1920	Pittsburgh	60433	Dec 1918	Oct 1947
UP 4609	UP 4460 (1st)	Sep 1920	Pittsburgh	60434	Dec 1918	Dec 1947

Description:

CS Class: S-Special

Cabside Class: S-51

Drive Wheel Diameter: 51 inches

Cylinders: 21x28 inches

Maximum Tractive Effort: 39,100 pounds

Weight on Drivers: 165,000 pounds

Weight in Working Order (Engine Only): 165,000 pounds

Weight in Working Order (Engine and Tender): 324,700 pounds

Fuel: Coal

General Notes:

a.	UP 4600-4609 were built as UP 4451-4460 (1st) in 1918; renumbered to UP 4600-4609 to clear the 4400 series for additional CS pattern 0-6-0s.

***