Front:
GENERAL MOTORS
LOCollOTIVES
4200
1006
4200
BOSTON ANDMAINE
Lと
5400 H.P. DIESEL FREIGHT LOCOMOTIVE. . DESIGNED AND BUILT BY ELECTRO-MOTIVE DIVISION . . GENERAL MOTORS CORPORATION. . LA GRANGE, ILLINOIS, U. S. A.
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5 400 H.P. DIESEL FREIGHT LOCOMOTIVE
Designed and Built For
BOSTON AND MAINE RAILROAD
BY ELECTRO-MOTIVE DIVISION • GENERAL MOTORS CORPORATION • LA GRANGE, ILLINOIS
This Diesel Freight Locomotive consists of two cab sections and with two traction motors or a total of sixteen motors geared for a
two booster sections arranged for double end control from either maximum speed of 70 M.P.H. All four engines are arranged for
cab, each being equipped with one General Motors, sixteen cyl- multiple control from either of the operator's cabs.
inder V-type, 2 cycle Diesel engine having a bore of 872", stroke This locomotive is equipped with an infinitely variable speed
10" with unit injection system, rated at 1350 H.P. at 800 R.P.M., Electric Brake which utilizes the traction motors for braking action,
developing a total of 5400 H.P. Each engine is direct connected dissipating the electric current so generated through resistance
to a D.C. generator, the current of which is distributed to the grids located in the roof of the locomotive. This Electric Brake will
traction motors mounted on the trucks which in turn are geared develop a maximum braking effort of 91,000 lbs. at 18 M.P.H.
to the axles. There are a total of eight 4-wheel trucks under the and is capable of holding a large tonnage train on long mountain-
four sections comprising this locomotive, each being equipped ous grades without application of the ordinary air brakes.
SPECIFICATIONS
DIMENSIONS
SUPPLIES
WEIGHTS
Overall length over couplers.
..193'-0"
Fuel oil.....
.4800 gals Total weight fully loaded.....
....931,000 lbs.
Maximum width over grab irons..
10'-678" Sand...
76 cu. ft. Weight of locomotive with one-half of
Width over body posts.
.9'-10"
Lubricating oil (145 gals. per engine).. 580 gals.
variable supplies...
...907,200 lbs.
Height over all, above rails...
15'-0" Engine cooling water (225 gals. per engine). ...900 gals. Maximum tractive effort at rim of driving
Wheel diameter....
40"
wheels at 25% adhesion.....
226,800 lbs.
Rigid wheel base of trucks...
9'-0"
Roller bearing journals.
..612"x12"
Truck swing designed for 21° curve or 274-foot radius
Distance between truck centers on cab section....27'-3"
Distance between truck centers on booster section_26'-6"
GENERAL MOTORS