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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-2a L-2a L-2b, d L-2c L-2d prototype for L-3
Built	1925-1925
Manufacturers	ALCO
Wheel arrangement	2D1
Gauge	1435 mm
Length
Service mass	164427 kg
Top speed	97 km/h
Power
Engine

General

Property	New York Central class L-2 “Mohawk” L-2a L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Built	1925-1925
Manufacturers	ALCO
Wheel arrangement	4-8-2 (Mountain)
Gauge	1,435 mm

Dimensions and weights

Property	New York Central class L-2 “Mohawk” L-2a L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Wheelbase	12.80 m
Total wheelbase	25.78 m
Service mass	164.4 t
Adhesion mass	109.8 t
Total mass	293.1 t
Rigid wheelbase	5.49 m
Axle load	27.4 t
Water capacity	56,781 l
Fuel capacity	19.1 t (coal)

Boiler

Property	New York Central class L-2 “Mohawk” L-2a L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Grate area	7 m²
Firebox surface	32.888 m²
Tube heating surface	380.81 m²
Evaporative heating surface	413.698 m²
Superheater surface	180.046 m²
Total heating surface	593.7 m²

Power plant

Property	New York Central class L-2 “Mohawk” L-2a 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-2a 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-2a L-2a L-2b, d L-2c L-2d prototype for L-3 Remove
Factor of adhesion	1 : 3.99
Optimal speed	64 km/h
Power-to-weight ratio	17.2 kW/t
Heating Surface Equivalent	938.2 m²
Cylinder volume/HSE	1 : 600.01
Adhesive weight/Total	1 : 1.50
Tractive force/Heating surface	1 : 9.48
Grate area/Heating surface	1 : 84.82
Firebox/Tube surface	1 : 11.58
Total/Superheater	1 : 2.30

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