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

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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. All other windows are to permit removal of the radiators, fans compartment and is delivered under fixed. and gearbox, and the equipment air pressure for the engine, for equipment Doors in diagonally opposite corners of cleaner. Dynamic braking grids, when cooling and pressurization, and cab ven­ the operating cab provide access to provided, are mounted along each side t ilation. Engine air is additionally walkways along the hoods. The doors of the radiator compartment. cleaned by oil-bath air filters.

RUNNING GEAR

The running gear of the locomotive Wheels-Wheels are solid multiple­ resist wear. consists of two, two-axle, side-equalized, wear rim-treated rolled steel of 40-inch Center Plates-Center plates are of swing motion swivel trucks. diameter. The wheels have standard liberal dimensions and are equipped with The truck frame, bolster, and spring AAR tread and flange contour. hardened steel liners, arranged for lubri­ plank are of cast steel. The frame is Axles-Axles are of forged open-hearth cation and protected by dust guards. supported by two equalizers on each steel, conforming to AAR material Side Bearings- Side bearings with re­ side with coil springs between the specifications. newable wear-resistant steel wear plates equalizer and the frame. Elliptic springs Journals- J ournals are equipped with are provided. are applied between the bolster and sealed grease-lubricated roller bearings. Safety Hooks-Truck safety hooks are spring plank. The spring plank is R enewable steel wear plates are on provided to prevent slewing in case of supported by forged steel swing links pedestal openings of truck frame. derailment and to permit the trucks to pinned to the truck frame. Equalizer seat surfaces are hardened to be lifted with superstructure.

Page 5 DRAWINGS

1. Multiple-Unit Connectors 19. Dynamic Brake Grids 2. Sand Box (when furnished) 20. Radiator Fan 3. Control Equipment Compart- ments (left side) 21. Equipment Blower 4. Headlight and Number Boxes 22. Radiator 5. Operating Controls 23. Equipment Air Cleaner 6. Cab Heater 24. Traction Motor 7. Engine Control Panel 25. Engine Air Filters 8. Air Compressor (both sides) 9. Auxiliary Generator 26. Lube Oil Filter 10. Exciter 27. Air Reservoir 11. Traction Generator 28. Fuel Tank 12. Governor 29. Fuel Oil Strainer, Transfer Pump (left side) 13. Diesel Engine Filter (right side) 14. Lube Oil Strainer 30. Battery (right side) 15. Intercooler 31. Air Brake Equipment 16. Turbocharger (right side) 17. Cooling Water Storage Tank 32. Speed-Sensing Alternator 18. Lube Oil Cooler (one per axle)

MADE FROM 41 R971112 AND 41R971061

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Diesel Engine- Type . . One, General Electric FDL-16 Number of cylinders ...... 16 Cylinder arrangement...... 45° V Stroke cycle...... 4 Bore & Stroke . . 9 inches x 10} 2 inches Full load speed ...... 1000 RPM Turbocharger...... One Governor-The Woodward PG engine governor is of the self-contained, electro­ hydraulic type. It automatically regu­ lates the horse power output at each throttle setting. Overspeed Protection-The engine is automatically shut down if the speed ex­ ceeds maximum rated rpm by 10 percent. Cooling System- Water is circulated by regulating the fl.ow of cooling water the engine sub-base. Lubricating oil through the engine, turbocharger, air in­ through the radiator sections. filters, strainer, and water-cooled oil tercoolers, self-draining radiator, lubri­ Fuel System-A motor-driven pump cooler are provided. Abnormally low cating-oil cooler, air compressor, and transfers fuel from the tank through a lubricating oil pressure automatically cab heater by a gear-driven centrifugal strainer and filters to the injection pumps. shuts down the engine. pump integral with the diesel engine. A tank is provided with sight gages Each cylinder is equipped with high pres­ Engine Starting-The diesel engine is to indicate water level. Abnormally sure fuel injection pump and injector. cranked by the traction generator from low water pressure automatically shuts Lubricating System - A single pressure­ storage battery power. down the engine. regulated system is supplied by a gear­ Horsepower Output-2500 hp input to Engine Temperature Control-A fl.ow type pump integral with the diesel generator for traction is provided un­ control valve, thermostatically operated, engine. der AAR standard conditions and with automatically maintains temperature A lubricating-oil reservoir is located in specification fuel and lubricating oil.

ELE CT RI C TR A N S M I SS I 0N series wound, separately ventilated by Battery-Charging Generator-One Gen­ the cleaned-air system. The armature eral Electric, Type GY-27 battery­ is mounted in anti-friction bearings. charging generator is provided. Motors drive through single-reduction It is gear-driven from the traction spur gearing. They are supported by generator and furnishes power at regu­ the axles to which they are geared lated potential for battery-charging, and by resilient nose suspensions on lighting and control. truck transoms. Storage Battery-A 32-cell lead acid Control-The locomotive is equipped type, 420 ampere hour 19-plate storage with General Electric railway-type battery is furnished for starting the single end-single unit control as basic engine and to furnish power for lights equipment. Control devices are grouped and other auxiliaries when the engine is in a pressurized steel compartment, shut down. fitted with access doors. The reverser Wheel Slip Correction-Wheel slip is and line contactors are electro-pneu­ automatically detected by comparison GE-752 TRACTION MOTOR matically operated. Other contactors of output signals from alternators are magnetically operated. Circuit mounted on each axle. Slip is auto­ Traction Generator-One General Elec­ breaker-type switches are used in con­ matically corrected by a light applica­ tricGT-598 traction generator is mounted trol circuits where overcurrent protec­ tion of locomotive brakes followed by directly on the engine. It is a direct­ tion is required. the automatic application of sand and current, single anti-friction bearing, sepa­ Transition is automatic. reduction of power if the slip persists. rately-excited machine and is equipped with windings to permit starting the Exciter-One General Electric, Type Ground Relay Protection-If a ground engine by storage battery power. GY50 is provided. It is gear-driven occurs, engine speed returns to idle, Traction Motors-Four General Electric from the traction generator and pro­ power is removed, the alarm bell rings GE-752 traction motors are furnished. vides controlled excitation of the trac­ and visual indication is given to The traction motor is direct current, tion generator field. the operator.

Page 8 LOCOMOTIVE BRAKES

Air Brakes -Schedule 26L with 26F pressor furnishes air for the locomotive operate fully equalized clasp brake control valve, air brake equipment and train braking systems. rigging, which applies two brake shoes to is furnished. Compressed air displacement: each wheel. Brake rigging is furnished Locomotive brakes may be operated Idle engine speed ...... 113 cfm with hardened steel bushings, and ad­ either independently or with train Full engine speed ...... 307 cfm justment is provided to compensate for brakes. Connections for furnishing Reservoirs- Reservoir capacity of 56,000 wheel and shoe wear. compressed air to the train brakes are cu in. is furnished for storing and cool­ Hand Brake- A hand brake located on provided at each end of the locomotive. ing air for the brake system. the outside of the nose compartment Compressor-One 3-cylinder, 2-stage, Brake Equipment-Brake cylinders are is provided for holding the locomotive water-cooled engine-driven air com- mounted on the truck frames and at standstill. OPERATING CONTROLS Controls and instruments for operating the locomotive are grouped at the operator's station and at auxiliary panels in the operator's cab. DEVICES AND INSTRUMENTS IN OPERATOR'S CAB Operating Controls: Controller with t hrottle, reverser, and selector levers Engine start push button • Engine stop push button and emergency fuel shutoff Brake valves • Sander valve • Bell ringer valve Air horn valve • Window wiper Circuit breakers and switches Emergency multiple unit engine stop switch Instruments: Brake gages • Load meter • Speed recorder and odometer • Fuel oil, lubricating oil and manifold air pressure gages Warning Indicators: Low engine lubricating oil or water High engine water temperature­ relay-alarm bell and red indicator pressure-alarm bell and warning alarm bell and warning light No battery charge-alarm bell and light Wheel slip - warning light. Ground warning light LOCOMOTIVE ACCESSORIES

Battery Charging Receptacle- One 150 Emergency Fuel Shutoff-Three push operating cab, hoods and instruments. ampere receptacle for external charging buttons, one on each side of the under­ Marker Flag Brackets-Four standard of battery . frame and one in the operating cab. combination flag and light brackets, Bell-One, stationary, cast iron bell Engine Water Temperature Gage- The two at each end. with air-operated ringer and operat­ engine cooling water temperature gage Step Platform Lights- Four step lights, ing valve. is located in the engine compartment. one for each side step. Lights to illumin­ Cab Heater-One, supplied with cleaned Fire Extinguishers- Two, ten-pound dry ate inter-unit walkway when furnished. air from the main air duct and including chemical, one at each end of locomotive. Sanders- Eight, pneumatically oper­ a radiator core through which the flow ated, arranged to sand ahead of the lead Fuel Gages-Four sight glasses, two on of engine c~o ling water is controlled as wheels of each truck in each direction. each side of the fuel tank. desired to regulate cab temperature. Seats-Two wall-mounted seats, ad­ Ducts extending from the heater pro­ Headlights-At each end of the loco­ justable for height and for operating vide window defrosting. motive, each consisting of two, 200-watt, in either direction. Cushioned arm Classification Lights- Two, three-aspect 30-volt, sealed-beam lamps. Dimming rests are provided at side windows. control is provided. electric lights at each end of the Sun Visors- Six, adjustable-type. locomotive. Horn - One, three tone horn with two Window Wipers - Six, air-operated, Conductor's Emergency Valve-Located bells forward and one to the rear. mounted on front and rear windows at fireman's station. Interior lights-For illuminating the of operating cab.

Page 9 The following modifications may increase locomotive w eight, dimensions, a nd price.

Additional Fuel- 1200 gallons addition­ Dynamic Braking- Equipment fo r brak­ Multiple-Unit Control-To enable the al fuel capacity. ing the locomotive electrically, using operation of two or more locomotive the traction motors as generators and units from operat ing station; includes Automatic Sanding-In addition to dissipating the electrical power in re­ remote control of headlights and call manually operated vake, sanding in sistors. Interlock included to prevent button between units. either direction is automatically initi­ application of air brakes on locomotive ated in event of emergency brake Power-Matching Control-Permits oper­ while in dynamic braking, when auto­ application. ation with units having lower horse­ matic air is applied to the train. Awnings- Metal awnings provided over power per axle without overloading the window on each side of operator's cab. Extra Cob Seat- Third seat in operat­ U25B unit. ing cab. Battery Charging Ammeter- Mounted Safety Control-Safety deadman con­ on wall of operating cab. Field loop Braking- Equipment pro­ trol including foot pedal valve, time vided with dynamic broking modifica­ delay, warning whistle and service Bell Ringer-Additional pneumatic bell tion so that units can lead units brake application. ringer valve at fireman's station. equipped with field loop braking circuit. Broke Shoes-To meet customer's re­ Sanding Control -Pneumatic control quirements. Fire Extinguishers- To meet customer's provided instead of electric co:1trol for requirements. multiple-unit control of manual sanding. Break-in-Two Protection-To provide against the loss of main reservoir air Fuel level Gages- Dial type gages Toilet-Dry type sanitary fixture or a and the possible release of brakes from provided on both sides of the tank near flush type with water tank and protCC· an emergency application initiated in the filler openings. tion against freezing can be furnished the train or by pull-apart, with the brake in the short hood. valve handle in its release position. Gear Ratios- Optional gear ratios, to be chosen in accord with proposed ser­ Tool Box- Can be provided. Cob Signal Equipment-Train control vice, are available as follows: cab signal or train speed control equip­ Train Communication-Train communi­ GEARS ...... 74:18 65:18 64:19 ment as now used on various railroads cation equipment as now used by RATIO . 4.11 3.61 3.37 can be furnished. various railroads can be furnished. MAX. MPH .. . . 70 80 85 Clothes locker-Located in the opera- Two-Station Control-Two control sta­ Hand Broke- On two axles to provide tor's cab. When t wo-station control tions for operating the locomotive from 25% braking for parking in place of is provided, the locker will be in the either one of two diagonally opposite hand brake on one axle. nose hood. positions in the operating cab. Coupler- AAR Type "F" Coupler in Overspeed Protection- Re­ locomotive Vi sual Warning Signal lights-At c.:ach place of type " E ". M-380 draft to idle, cuts off power, turns engine end of the locomotive. gear required. makes automatic brake application. Water Cooler- Electric floor-mounted Deluxe Cob Seats-Upholstered cab long-Hood-Leading Control-The con­ water cooler. seats with armrests. trol station can be mounted on the Draft Gear-M-380 equipment in place left side for operation with the long Windshield Wings-Wind deflectors; ont of basic M-381 d raft gear. hood leading. in front and rear of each side window. AXIMUM EQUIPMENT DIAGRAM

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