Locomotive Data
| Manufacturer: |
Electro-Motive
Division, GMC |
| EMD Model: |
GP9 (Drawing) |
| Date Built: |
April, 1955 |
| Construction Number: |
19978 |
| S.P. Order Number: |
5369-2 |
| Weight: |
259,720 pounds |
| Length: |
55' 9" (over coupler
pulling faces) |
| Maximum Height Above
Rail: |
14' 6" |
| Width Over Handrails: |
10' 3" |
| Original Maximum Speed: |
71 mph (61-16 gear ratio) |
| Interim Maximum Speed: |
77 mph (60-17 gear ratio) |
| Current Maximum Speed: |
65 mph (62-15 gear ratio) |
| Diesel Fuel: |
1200 gallons |
| Engine Cooling Water: |
250 gallons |
| Steam Generator Water: |
1200 gallons |
/---engine data
Engine Data
| Model: |
EMD 16-567C (Drawing) |
| Serial Number: |
55A87 (January, 1955) |
| Horsepower: |
1750 |
| Bore: |
8 1/2" |
| Stroke: |
10" |
| RPM AT Idle: |
275 |
| RPM At Full Throttle: |
835 |
| Oil Capacity: |
200 gallons |
| Oil Pressure Maximum/Minimum: |
65 lbs maximum, 6 lbs
minimum at idle |
| Engine Weight: |
31,200 pounds |
/---------electrical data
Electrical Data
| Low Voltage
System: |
64 volts D.C. |
| Battery Type: |
8 Volt, 420 ampere hour |
| Battery Weight (each): |
408 pounds (3264 pounds total) |
| Charging Generator: |
EMD 18KW (Drawing) |
| Charging Voltage: |
72 Volts |
| Driving Method: |
Cam shaft gear train |
| High Voltage System: |
Up to about 1000 volts
D.C. (note) |
| Main Generator: |
EMD D12-B (Drawing) |
| Driving Method: |
Engine crankshaft (rear) |
| Main Generator Weight: |
17,250 pounds |
| Alternator: |
EMD D14 |
| Alternator Output: |
195 volts AC at 120cps (full RPM) |
| Alternator Location: |
Crankshaft end of main generator |
Note: Locomotive makes transition at 965 volts.
/-----------Truck Data
Truck Data
| Truck Centers: |
31' 0" |
| Axle Spacing (within
truck frame): |
9' 0" |
| Wheel Diameter: |
40" (new wheel) |
| Axle Diameter At Motor
Bearing: |
8" (new axle) |
| Axle Bearing Size: |
6 1/2" by 12" |
| Wheel/Axle Assembly
Weight: |
4,100 pounds |
| Traction Motor (original): |
EMD D37 |
| Traction Motor (current): |
EMD D77 (Drawing) |
| Traction Motor Weight: |
6,165 pounds |
| Truck Assembly Weight: |
39,000 pounds |
/------------Air Compressor
Air System Data
| Air Compressor
(original): |
Air Cooled
WXO (Drawing) |
| Air Compressor (current): |
Water Cooled WAE
(Drawing) |
| Capacity: |
234 Cubic Feet/Minute
at 835 RPM |
| Driving Method: |
Engine crankshaft (front) |
| Compressor Weight: |
1,575 pounds |
| Air Brake Type (original): |
Westinghouse HSC |
| Air Brake Type (current): |
Westinghouse 24RL |
/--------------Steam Generator
Steam Generator Data
| Manufacturer: |
Vapor-Clarkson |
| Model: |
OK4625 (Drawing) |
| Amperage Draw: |
45 to 55 amps |
| Maximum Fuel Consumption: |
32 gallons per hour |
| Water Pressure Range: |
225 to 350 pounds |
| Rated Evaporative Capacity: |
330 gallons of water per hour |
| Generator Location: |
Short hood |
| Generator Weight: |
4000 pounds |
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