Southern Pacific 5021

Specifications
Configuration:;
• Whyte	4-10-2
Gauge	4 ft 8 1⁄2 in (1,435 mm) standard gauge
Driver dia.	63 1⁄2 in (1,613 mm)
Adhesive weight	317,500 lb (144,000 kg)
Tender cap.	16,152 US gal (61,140 l; 13,449 imp gal) water; 4,912 US gal (18,590 l; 4,090 imp gal) fuel oil
Boiler pressure	225 psi (1,550 kPa)
Cylinders	3
Cylinder size	(inside) 25 in × 28 in (635 mm × 711 mm) dia × stroke; (outside) 25 in × 32 in (635 mm × 813 mm) dia × stroke

Type and origin
Power type	Steam
Builder	American Locomotive Company (ALCO)
Serial number	66793
Build date	1926

Southern Pacific 5021
	Photo of Southern Pacific 5021 in 1962
Type and origin
Power type	Steam
Builder	American Locomotive Company (ALCO)
Serial number	66793
Build date	1926
Specifications
Configuration:;
• Whyte	4-10-2
Gauge	4 ft 8 1⁄2 in (1,435 mm) standard gauge
Driver dia.	63 1⁄2 in (1,613 mm)
Adhesive weight	317,500 lb (144,000 kg)
Tender cap.	16,152 US gal (61,140 l; 13,449 imp gal) water; 4,912 US gal (18,590 l; 4,090 imp gal) fuel oil
Boiler pressure	225 psi (1,550 kPa)
Cylinders	3
Cylinder size	(inside) 25 in × 28 in (635 mm × 711 mm) dia × stroke; (outside) 25 in × 32 in (635 mm × 813 mm) dia × stroke
Performance figures
Maximum speed	70 mph (113 km/h) (Passenger Service) ;
Tractive effort	84,200 lbf (375,000 N); 96,540 lbf (429,400 N) with booster
Career
Operators	Southern Pacific Railroad
Class	SP-2
Number in class	49
Numbers	5021
Retired	1955,1963
Restored	1961
Current owner	Railway and Locomotive Historical Society
Disposition	On static display at the Los Angeles County Fairgrounds (RailGiants Train Museum), Pomona, California

Southern Pacific Railroad (SP) number 5021 is an SP-2 class 4-10-2 steam locomotive built in 1926 by ALCO at their Schenectady, New York, shops. It is the only member of this class of SP locomotives to be preserved, and it is one of only five 3-cylinder locomotives preserved in North America.

It was designed to haul mixed freight and passenger trains over the Sierra Nevada range between northern California and Nevada. Later in its career, 5021 was shifted to service in Oregon, until its retirement in 1955. SP donated 5021 to the Railway and Locomotive Historical Society on March 8, 1956. It was restored to operating condition in 1961 and ran till 1963. In the early 1970’s, a Possible excursion career for the 5021 was being arranged by the A.T.S.F but the plans were scrapped. 5021 sat in San Bernardino till 1976 when it was moved back to the museum when Southern Pacific 4449 was on display with the American Freedom Train in the Los Angeles County Fairgrounds

5021 is currently on static display at the Los Angeles County Fairgrounds in Pomona, California, where you can go in the cab and if you’re lucky enough to blow its loud air compressed S.P 6 Chime Whistle

The engine itself made a cameo appearance in the 1994 Kidsongs Video: Boppin' with the biggles, and also played the ghost train in Sometimes They Come Back (film).

References

Diebert, Timothy S. & Strapac, Joseph A. (1987). Southern Pacific Company Steam Locomotive Conpendium. Shade Tree Books. ISBN 0-930742-12-5.

External link

Southern Pacific 5021

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