"GP9" redirects here. For the human gene, see Glycoprotein IX.
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EMD GP9
An EMD GP9 equipped with dynamic brakes on the Shenandoah Valley Railroad in Staunton, Virginia.
Type and origin
Power type
Diesel-electric
Builder
General Motors Electro-Motive Division (EMD) General Motors Diesel (GMD)
Model
GP9
Build date
1954 – 1963
Total produced
4,272 (and 165 B units)
Specifications
Configuration:
• AAR
B-B
Gauge
4 ft 8+1⁄2 in (1,435 mm) standard gauge 5 ft 3 in (1,600 mm) (Brazil)
Trucks
EMD Blomberg B (Flexicoil on some CN units)
Wheel diameter
40 in (1.016 m)
Minimum curve
21° (273 ft (83.21 m) radius)
Wheelbase
40 ft (12.19 m)
Length
56 ft 2 in (17.12 m)
Width
10 ft 3+1⁄2 in (3.14 m)
Height
15 ft 1⁄2 in (4.58 m)
Loco weight
259,500 lb (117,700 kg)
Fuel capacity
1,100 US gal (4,200 L; 920 imp gal)
Prime mover
EMD 16-567C
RPM range
835 max
Engine type
V16 Two-stroke diesel
Aspiration
Roots blower
Displacement
9,072 cu in (148.66 L)
Generator
EMD D-12-B
Traction motors
(4) EMD D-37-B
Cylinders
16
Cylinder size
8+1⁄2 in × 10 in (216 mm × 254 mm)
Performance figures
Maximum speed
65 mph (105 km/h)
Power output
1,750 hp (1.30 MW)
Tractive effort
64,750 lbf (288.0 kN)
Career
Locale
North America, South America
The EMD GP9 is a four-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between 1954 and 1959. The GP9 succeeded the GP7 as the second model of EMD's General Purpose (GP) line,[1] incorporating a new sixteen-cylinder engine which generated 1,750 horsepower (1.30 MW).[2] This locomotive type was offered both with and without control cabs; locomotives built without control cabs were called GP9B locomotives.
EMD constructed 3,626 GP9s, including 165 GP9Bs.[3][4] An additional 646 GP9s were built by General Motors Diesel, EMD's Canadian subsidiary, for a total of 4,257 GP9s produced when Canadian production ended in 1963.[3] The GP9 was succeeded by the similar but slightly more powerful GP18.[5]
^Schafer, Mike. (1996-11-08). Classic American railroads. Osceola, WI. p. 103. ISBN 0760302391. OCLC 35033722.{{cite book}}: CS1 maint: location missing publisher (link)
^Foster, Gerald L. (1996). "EMD GP9". A field guide to trains of North America. Boston: Houghton Mifflin. p. 28. ISBN 0395701120. OCLC 33242919.
^ abMarre, Louis A. (1995). Diesel locomotives : the first 50 years : a guide to diesels built before 1972. Waukesha, WI: Kalmbach Pub. Co. pp. 46–50. ISBN 0-89024-258-5. OCLC 34531120.
^Wilson, Jeff (2017). Guide to North American diesel locomotives. Waukesha, Wisconsin. p. 58. ISBN 978-1-62700-455-8. OCLC 992348779.{{cite book}}: CS1 maint: location missing publisher (link)
^Cite error: The named reference :1 was invoked but never defined (see the help page).
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