Canadian National Railway NF110 number 902 on display at Lewisporte, Newfoundland on 13 September 2004
Power type Diesel-electric
Builder General Motors Diesel
Order number GMD C-131 and C-151
Serial number GMD A303–A305, A435–440
Model NF110
Build date 1952–1953
Total produced 9
AAR wheel arr. C-C
UIC classification Co′Co′
Gauge 3 ft 6 in (1,067 mm)
Trucks EMD Flexicoil
Minimum curve Alone: 23°
Wheelbase 42 ft 2 in (12.85 m)
Length 55 ft 2 12 in (16.83 m)
Width 10 ft 3 12 in (3.14 m)
Height 15 ft 4 in (4.67 m)
Locomotive weight 221,000–222,180 lb (100.2–100.8 t)
Fuel type Diesel
Fuel capacity 600 imp gal (2,700 l; 720 US gal)
Lubricant capacity 138 imp gal (630 l; 166 US gal)
Coolant capacity 182 imp gal (830 l; 219 US gal)
Sandbox capacity 25 cu ft (0.71 m3)
Prime mover EMD 567
Engine RPM range 275–800
Generator EMD D-15B
Traction motors EMD D-19, 6 off
Cylinders V12
Multiple working Yes
Top speed 60 mph (97 km/h)
Power output 1,200 hp (890 kW)
Tractive effort Continuous: 40,000 lbf (177.9 kN)
Train heating None
Locomotive brakes Air
Train brakes Air, schedule 6-SL
Career Canadian National Railways
Class Y-4-a, Y-4-b, later GR-12a, GR-12b
Number 900–908
Locale Newfoundland
Last run 1986
Disposition 3 preserved, 6 scrapped

The NF110 was a diesel-electric locomotive built by General Motors Diesel for narrow gauge service with the Canadian National Railways in Newfoundland (see: Newfoundland Railway). Only nine examples were built between 1952 and 1953, although thirty-eight identical NF210 were later built. The last examples were retired in 1986 and afterwards three examples were preserved in non-operating condition, all located in Newfoundland.


Fleet details

Key: Preserved Scrapped
Build date GM Order
1st CN Class 2nd CN Class Retired Notes
900 A303 01952-12 December 1952 C-131 Y-4-a GR-12a Preserved Clarenville, NL
901 A304 01952-12 December 1952 C-131 Y-4-a GR-12a  
902 A305 01952-12 December 1952 C-131 Y-4-a GR-12a Preserved Lewisporte, NL
903 A435 01953-01 January 1953 C-153 Y-4-b GR-12b  
904 A436 01953-01 January 1953 C-153 Y-4-b GR-12b  
905 A437 01953-01 January 1953 C-153 Y-4-b GR-12b  
906 A438 01953-02 February 1953 C-153 Y-4-b GR-12b Preserved St.John's, NL
907 A439 01953-02 February 1953 C-153 Y-4-b GR-12b  
908 A440 01953-02 February 1953 C-153 Y-4-b GR-12b  


  • Canadian National Railway (September 1964). Diesel Unit Data Book. pp. 18–19. 

See also

  • List of GMD Locomotives

External links

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