loco-info.com - Grand Trunk class E-12

Dimensions and Weights
Wheelbase	22 ft 7 in
Rigid wheelbase	14 ft
Total wheelbase	49 ft 7 1/2 in
Service weight	141,800 lbs
Adhesive weight	120,600 lbs
Total weight	269,860 lbs
Axle load	40,200 lbs
Water capacity	7,206 us gal
Fuel capacity	22,400 lbs (coal)

Boiler
Grate area	30.8 sq ft
Firebox area	166 sq ft
Tube heating area	780 sq ft
Evaporative heating area	946 sq ft
Superheater area	200 sq ft
Total heating area	1,146 sq ft

Power Plant
Driver diameter	63 in
Boiler pressure	170 psi
Expansion type	simple
Cylinders	two, 21 x 26 in

Power
Power source	steam
Estimated power	800 hp (597 kW)
Optimal speed	19 mph
Starting effort	26,299 lbf

Calculated Values
Factor of adhesion	1 : 4.59
Power-to-weight ratio	0.0056 hp/lb
Heating Area Equivalent	2,176 sq ft
Cylinder volume/HAE	1 : 1459.96
Adhesive weight/Total	1 : 1.18
Tractive force/Heating area	1 : 5159.03
Grate area/Heating area	1 : 31.82
Firebox/Tube area	1 : 5.90
Total/Superheater	1 : 4.73

steam locomotive

passenger

freight

secondary line

last changed: 10 2023

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