Southern Pacific No. 4446

Southern Pacific GS-4 #4446
SP 4446 reversing
Technical specifications
Manufacturer(s)	Lima Locomotive Works
Build date	1941
Classification	GS-4
Model	SP GS-4
Wheel arrangement	4-8-4 "Northern"
Dimensions	110 ft × 10 ft × 16 ft
Rail gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Valve gear	Walschaerts
Cylinders	Two, outside
Boiler pressure	300 psi (2.07 MPa)
Bore stroke	25+1⁄2 in × 32 in (648 mm × 813 mm)
Firegrate area	90.4 sq ft (8.40 m2)
Fuel type	Fuel Oil
Heating area	2,086 sq ft (193.8 m2)
Performance figures
Maximum speed	110 mph (180 km/h)
Tractive effort	66,326 lbf (295.03 kN), 78,000 lbf (346.96 kN) with booster
Service information
Years in-service	April 1941 - October 1958
Running numbers	4446
Disposition details
Preserved	Not Preserved
Disposition	Scrapped

Southern Pacific No. 4446 was a class GS-4 4-8-4 "Northern" type steam locomotive built by the Lima Locomotive Works for the Southern Pacific Railroad.

History

Beginning

Southern Pacific GS-4 No. 4446 was a Southern Pacific GS-4 4-8-4 "Northern" type steam locomotive built by the Lima Locomotive Works in Lima, Ohio. It was among one of the 28 Southern Pacific Class GS-4s delivered to the Southern Pacific Railroad.

Accident

September 19, 1941, at 1:30am, #4446 had unexpectedly collided with the Lark overnight passenger train while the Lark was parked in a siding over at Donner Pass.

Aftermath

Southern Pacific GS-4 No. 4446 was eventually repaired and returned to service after it's Accident with the Lark at Donner Pass.

Fate

Southern Pacific GS-4 #4446 was retired from Active service, and although its sister locomotive #4449 would survive the cutter's torch, Southern Pacific GS-4 #4446 would become one of the 27 GS-4s to be scrapped in the 1950s.

Gallery

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