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Milwaukee Road class S2

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Milwaukee Road S2 class
Photo of the Milwaukee Road's new S2 4-8-4 Baldwin-built locomotive. Copy from auction- "A vintage 1937 ORIGINAL Photograph depicting Milwaukee Road's Baldwin S-2 4-8-4 Northern Steam Locomotives."
Type and origin
Power typeSteam
BuilderBaldwin Locomotive Works
Build dateOctober 1937 - May 1940
Total produced40
Specifications
Configuration:
 • Whyte4-8-4
 • UIC2′D2′ h2
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Driver dia.74 in (1,880 mm)
WheelbaseLoco & tender: 96.04 ft (29.27 m)
Axle load70,580 lb (32,010 kilograms; 32.01 metric tons)
Adhesive weight282,320 pounds (128,060 kg)
Loco weight490,450 pounds (222,460 kg)
Tender weight397,000 pounds (180,000 kg)
Total weight887,450 pounds (402,540 kg)
Fuel typeCoal
Fuel capacity25 short tons (23,000 kg)
Water cap20,000 US gal (76,000 l; 17,000 imp gal)
Firebox:
 • Firegrate area
106 sq ft (9.8 m2)
Boiler pressure285 lbf/in2 (1.97 MPa)
CylindersTwo
Cylinder size26 in × 32 in (660 mm × 813 mm)
Valve gearWalschaert
Performance figures
Tractive effort70,816 lbf (315.01 kN)
Factor of adh.3.99
Career
OperatorsMilwaukee Road
ClassS2
Numbers201–240
Retired1954-1956
DispositionAll scrapped, but one tender survives

he Milwaukee Road S2 Class was a class of 40 4-8-4 "Northern" type steam locomotives built by the Baldwin Locomotive Works between 1937 and 1940 and operated by the Milwaukee Road until the mid 1950s. The locomotives saw service in pulling freight..

Service[edit]

The locomotives mainly worked as freight haulers, mainly in the eastern portion of the Milwaukee Road due to being coal burners. However, when the westbound Olympian exceeded 12 cars, they were used in such service.[1]

Disposition[edit]

Retirement of the S2s began in 1954 as the Milwaukee Road dieselised and by 1956, all of them have been retired. None have been preserved, however, a tender has survived and is out in the open in Ingomar, Montana. It was used to supply water to the town, but when the railroad abandoned the Pacific Extention in 1980, the tender was left there and remains there today.[2]

References[edit]



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