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New York Central class L-2 “Mohawk”

L-2c Nr. 2823 with a long freight train consisting of boxcars

After the 185 “Mohawks” of the L-1 class, the New York Central developed the more powerful L-2 class. It was also intended purely for freight service, but had a larger boiler, a feedwater heater and a booster on the t...

	New York Central class L-2 “Mohawk”Remove
Variant	L-2d prototype for L-3 L-2a L-2b, d L-2c L-2d prototype for L-3
Built	1939
Manufacturers	New York Central
Wheel arrangement	2D1
Gauge	1435 mm
Length
Service mass	174679 kg
Top speed	129 km/h
Power
Engine

General

Property	New York Central class L-2 “Mohawk” L-2d prototype for L-3 L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Built	1939
Manufacturers	New York Central
Wheel arrangement	4-8-2 (Mountain)
Gauge	1,435 mm

Dimensions and weights

Property	New York Central class L-2 “Mohawk” L-2d prototype for L-3 L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Service mass	174.7 t
Adhesion mass	116.6 t
Total mass	316.9 t
Axle load	29.1 t
Water capacity	56,781 l
Fuel capacity	25.4 t (coal)

Boiler

Property	New York Central class L-2 “Mohawk” L-2d prototype for L-3 L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Grate area	6.996 m²
Firebox surface	32.888 m²
Tube heating surface	398.74 m²
Evaporative heating surface	431.628 m²
Superheater surface	179.396 m²
Total heating surface	611.0 m²

Power plant

Property	New York Central class L-2 “Mohawk” L-2d prototype for L-3 L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Driver diameter	1,753 mm
Boiler pressure	17.2 bar
Expansion type	simple expansion
Cylinders	two, 648 x 762 mm

Power

Property	New York Central class L-2 “Mohawk” L-2d prototype for L-3 L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Power source	steam
Estimated power	3,207 kW (4,360 PS)
Top speed	129 km/h
Starting effort	267.2 kN
Starting effort booster	61.163 kN

Calculated values

Property	New York Central class L-2 “Mohawk” L-2d prototype for L-3 L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Factor of adhesion	1 : 4.28
Optimal speed	74 km/h
Power-to-weight ratio	18.4 kW/t
Heating Surface Equivalent	954.9 m²
Cylinder volume/HSE	1 : 525.88
Adhesive weight/Total	1 : 1.50
Tractive force/Heating surface	1 : 9.13
Grate area/Heating surface	1 : 87.34
Firebox/Tube surface	1 : 12.12
Total/Superheater	1 : 2.41

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