A passenger train on the Green Mountain Railroad runs to Chester in Vermont (whose name is from the French for Green Mountain) headed by the railroad's 400 from 1951. This is an ALCo model RS-1, of which 469 were built between March 1941 and March 1960.
Green Mountain Railroad website
Specifications for the ALCo RS-1
AAR wheel arrangement: B-B (Bo-Bo)
Length: 55 ft 5 3⁄4 in (16.91 m)
Width: 10 ft 0 in (3.05 m)
Height: 14 ft 5 in (4.39 m)
Locomotive weight 247,500 lb (112.3 tonnes)
Fuel capacity: 1,000 US gal (3,800 litres)
Prime mover: ALCo 539T, four-stroke diesel
Aspiration: Turbocharger
Displacement: 1,595 cu in (26.14 l) per cylinder 9,572 cu in (156.86 l) total
Cylinders: Straight-6
Cylinder size: 12½ in × 13 in (318 mm × 330 mm)
Transmission: DC generator, DC traction motors
Top speed: 65 mph (105 km/h)
Power output: 1,000 hp (746 kW)
Tractive effort: 40,425 lbf (179.82 kN)
Locomotive brakes: Independent air
Train brakes: Air
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