General Electric U25B Diesel-Electric Locomotive, 2500 Horsepower
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GENERAL ELECTRIC U2SB DIESEL-ELECTRIC LOCOMOTIVE 2500 HORSEPOWER SPECIFICATION 3030E LOCOMOTIVE & CAR EQUIPMENT DEPARTMENT GENERAL. ELECTRIC ERIE, PENNSYLVANIA ' !.··· .. {' . ·. .. , (• t. .... 41" ' " . ' ~ .' . ~. ' "" . I . ... ~ .. • , ~.,... • . ...t.~ ,... · . .:'(.<' .. ·:.:i:-. >,. ... '· Jll ""'"" ,, I ... ~ ,.l _ _ __... '"'"·-"':_ :.. ... 1 - · _ _ . _ . , l I _ Design tions where they apply. High standards of quality control are maintained. Materials and locomotive The General Electric Model U25B diesel-electric specifications are subject to change without notice. locomotive is especially designed and built to meet the requirements of modern high-speed freight traffic. Safety Appliances The design provides for high horsepower per axle with a minimum of equipment and weight. A low All safety appliances are in accord with the nose (short hood) and large windows are provided General Electric Company's interpretation of current for maximum visibility. ICC regulations. The operating cab, located between the engine hood Testing and the nose (short) hood, provides optimum visibility All component parts of the locomotive are given for operating in either direction. The control station standard commercial tests before assembly on is at the right side with the nose hood leading. the locomotive. Power Each complete locomotive is tested as follows: The diesel engine is the primary power source. A 1. Control wiring is checked by observing sequence traction generator is directly connected to the diesel of contactor and relay operation and by testing engine and furnishes power to the axle-mounted for continuity of circuit between terminals. traction motors. Full utilization of the horsepower 2. High-potential tests of traction and control output of the engine is available throughout the circuits are made in accordance with current speed range of the locomotive by means of the A.S.A. standards. electric transmission. 3. Air brake tests are conducted to check pipe leak Operation age and operation of the devices. Locomotive operation is controlled by a master con 4. The power plant is tested at full load to check troller and by independent air brake and automatic and adjust generator characteristics and engine air brake handles conveniently located to permit performance, including power and speed. operation with either end leading. Painting The direction of motion is controlled by a reverse Interior: Gray enamel. lever. The throttle and reverse levers are interlocked Underframe and Running Gear: Black, or customer's to prevent the reverser from being thrown unless the color choice. throttle handle is in the off position. Interior of Battery Compartment: Special acid Materials resisting paint. All materials are in accordance with AAR specifica- Exterior: Finish painted in customer's color choice. Page 2 Continuous horsepower to generator for traction under standard conditions 2500 hp Continuous tractive effort 53,000 lb Maximum locomotive speed with new or worn wheels (74:18 gear ratio, 40" wheels) . .. .. .. ..... ...... .. ............ .. 70 mph f@§iji Minimum locomotive (fully loaded) . .. .. .. .. .. .. .... ...... ... 252,000 lb Per axle (fully loaded) . .. ... ... ... ... .. .... ... .. .. 63,000 lb Locomotive weight subject to manufacturing tolerance of ±2% Modifications may increase weight. Wheel Arrangement B-B Major Dimensions Length inside knuckles ......... .. .. .. ...... .... .. .. .. .. ... .... 60 ft 2 in. Height . .. ... .. ... ..... .. .. .. ... .. ... .. .. .. .. 14 ft 7 in. Width over handrails . .. .. .. .. .... ... .. .... .. .. .. .. 10 ft 61/ 2 in. Locomotive outline drawing . .. .. .. .. .... ... .. .. ........ .. .... .... 41R971112 Minimum radius of curvature, locomotive alone 150 ft (39°) Capacities Fuel 1700 gal Engine lubricating oil . ... .. .. .. 355 gal Cooling water .. .. .. ... .. ... .. .. .... • . .. .. .... .... ...... 290 gal Sand . ... ... .. .. ..... .. .. ... ...... .. .. .. ... ... ...... ... 32 cu ft Page 3 LOCOMOTIVE PERFORMANCE SPEED-TRACTIVE EFFORT s-r+-r-+-1-++++1 f-H-i-r-f-"-H-i I-~ I J ! +·1-H-~H-+~I 1-H-~-+-J-!+-H 8 0 ,· - i- :I. +,..... _,_1......,_._,_,_, ]:: 1-l-l-i-!-r ±~1± _t +-H-H-+ r+n-r· i 1 • , , I 1- •-+-+•-+-H>-+-i-.-1-:H+ -t- H- - .. + + ,__,_, .........,.......,..,,...,...._. ............ ~-+< ·~-HH+·l-H-t-~H-++++J,~~~= ~-~~-H-+-H-+++++-l~~H-H-t ~;~1-t+-+1 -H+~-l+i-H 70 0 0 0 ·H-t-++H-+++-,H-+-+·H-t- l·+-H·!-t-H-++H-J:b+-H-+-t-+-H1-f-l-+++-++-H H-++-1-1-14-l+IH~+-1-!-1-1-.f-l-l-t-~~l-!-l-h- 1->-+-•-+-•-<-+-l-+-+-+-HH-+-++-l~l-<-H1 H-!-++-l-+-+-++-l-I !-H·+-f-',·++-+-H·++-!-++-1 ~*1- +-MH+++t·l-H-i-HH-f-t-++~-t-H 1 1 1 1 >< 60 1-+++-H'-H-.--H--H-+ !-. 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R=4+L tb 30 _J ..,~-1-L · -j.- I I ; r r.lkj- l l I ' µ_LLt-l-.LI.. ~ LL.Ll.. _ +' L....I LLL.i...L J-H-H--'~-H-1-+l..;-+-·H: --t· I + ... p!! =+=R+-++!- I - ' I I ITTT • rTI ,.,..,., 4 ::i•=:::tt.'::.-:t.. t..1-t. -l+-1-·+-_:~ , . ·rrt "-.q::j:: .:;It- -!...l-:f ++H l-1--+- . r ...i..1+t- w :fi±J >- u..... 20 <( .....~ 10 t-+-++-H-+-+-1 H'·+i-14-!--!-+-i-1-1-14-f., .++-14--H+l-l-l-l-l-.o- i~ +'· H+- -f- -+h j-· -r 1 t-t-t-H-i~+-H-·~' -1-+-c~f-+H~+...,-+-1-+t+ I- , -i-1..... ......... _,......_. ..... 0 0 10 20 30 40 50 60 70 SPEED - MILES PER HOUR Page 4 UNDERFRAME The underframe is fabricated by weld· the centerplate, side bearing pads and in combination with lugs for cable slings ing, using low alloy steel sections draft gear housing. are integrally cast in the side bolsters. and plate, with cast steel centerplate Couplers-AAR Type E top-operated Fuel Tanks-A heavy gage welded steel bolster and bolster side members. couplers with M-381 rubber-cushioned fuel tank is bolted to the underframe Hoods, cab, equipment and tanks are draft gear and alignment control are between the trucks. It is provided with supported by the main frame members. provided at each end of the locomotive. Space between these members is en baffle plates, clean-out plugs and water closed with plate, top and bottom, to Pilots and Side Steps-A pilot with drains. Filler connections, vents, and form an air duct. footboards is provided at each end. fuel level gages are furnished on each Wearplates-Renewable, wear-resistant Side steps provide access to the platform. side of the locomotive. An emergency hardened steel plates are applied to Lifting and Jocking-Four jacking pads fuel trip is provided. SU PER ST RU .C TU RE The superstructure, of welded steel con have windows, weather stripping and An end section holds a sandbox, ser struction, consists of a nose hood, an provision for Jocking. viced from the roof. Rear headlights, operator's cab, an engine hood and a classification lights and number boxes Headlights and number boxes are radiator compartment. The engine are mounted on this section. arranged on the outside of the operating hood is bolted to the underframe and cab above the main window. Equipment Compartments-Main pro· is removable. pulsion control equipment is located Nose Hood-The nose (short) hood con Walkways-Platform walkways with on the left side of the locomotive be tains a top-serviced sandbox. A door handrails and non-skid treads are pro neath the operating cab. This com in the front bulkhead of the operating vided at each end of the locomotive partment, maintained under positive cab provides access. Classification and along the hoods. air pressure to keep out dirt and water, lights are mounted on this hood. A Engine Hood-The engine hood en contains contactors, relays, reverser, braking switch when furnished, resistors ventilator is provided. closes the diesel engine, the traction and auxiliary electrical devices. Operating Cab-The sides and roof of generator and the air compressor. Air brake devices are located in an easily the operating .:ab are insulated and steel Full height side access doors extend the li ned. The floor, raised above the accessible compartment along the right length of the engine and generator on side of the locomotive under the operat underframe, is insulated and covered both sides of the hood. Doors in the with heavy duty vinyl tile. ing cab. Battery trays are located in roof provide overhead access to engine two boxes before and after the air The cab has safety glass windows in cylinders. Detachable roof sections brake compartment with hinged top the front, rear, and on each side, provid permit removal of equipment. doors for servicing. ing maximum visibility in all directions. Radiator Compartment-The radiators Ventilation-Mechanically filtered air is Two-pane center windows on each side are roof-mounted. A reinforced screen provided through a large self-cleaning of the cab have sliding sash equipped over the air outlet opening is removable air cleaner in the bottom of the radiator with latches.