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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-2b, d L-2a L-2b, d L-2c L-2d prototype for L-3
Built	1929-1930
Manufacturers	ALCO
Wheel arrangement	2D1
Gauge	1435 mm
Length
Service mass	167149 kg
Top speed	97 km/h
Power
Engine

General

Property	New York Central class L-2 “Mohawk” L-2b, d L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Built	1929-1930
Manufacturers	ALCO
Wheel arrangement	4-8-2 (Mountain)
Gauge	1,435 mm

Dimensions and weights

Property	New York Central class L-2 “Mohawk” L-2b, d L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Wheelbase	12.83 m
Total wheelbase	25.81 m
Service mass	167.1 t
Adhesion mass	112.3 t
Total mass	309 t
Rigid wheelbase	5.49 m
Axle load	28.1 t
Water capacity	56,781 l
Fuel capacity	25.4 t (coal)

Boiler

Property	New York Central class L-2 “Mohawk” L-2b, d L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Grate area	7 m²
Firebox surface	32.052 m²
Tube heating surface	391.215 m²
Evaporative heating surface	423.267 m²
Superheater surface	179.396 m²
Total heating surface	602.7 m²

Power plant

Property	New York Central class L-2 “Mohawk” L-2b, d L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Driver diameter	1,753 mm
Boiler pressure	15.5 bar
Expansion type	simple expansion
Cylinders	two, 686 x 762 mm

Power

Property	New York Central class L-2 “Mohawk” L-2b, d L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Power source	steam
Estimated power	2,834 kW (3,853 PS)
Top speed	97 km/h
Starting effort	269.6 kN
Starting effort booster	55.158 kN

Calculated values

Property	New York Central class L-2 “Mohawk” L-2b, d L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Factor of adhesion	1 : 4.08
Optimal speed	64 km/h
Power-to-weight ratio	17.0 kW/t
Heating Surface Equivalent	942.3 m²
Cylinder volume/HSE	1 : 597.41
Adhesive weight/Total	1 : 1.49
Tractive force/Heating surface	1 : 9.34
Grate area/Heating surface	1 : 86.09
Firebox/Tube surface	1 : 12.21
Total/Superheater	1 : 2.36

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