Canadian National Railway NF110 number 902 on display at Lewisporte, Newfoundland on 13 September 2004
Type and origin
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 class Co′Co′
Gauge 3 ft 6 in (1,067 mm)
Trucks EMD Flexicoil
Minimum curve Alone: 23°
250.79 ft (76.44 m)
Wheelbase 42 ft 2 in (12.85 m) truck centers
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)
Loco weight 221,000–222,180 lb (100,240–100,780 kg)
or 110.5–111.09 short tons (98.66–99.19 long tons; 100.24–100.78 t)
Fuel type Diesel fuel
Fuel capacity 600 imp gal (2,700 l; 720 US gal)
Lubricant cap 138 imp gal (630 l; 166 US gal)
Coolant cap 182 imp gal (830 l; 219 US gal)
Sandbox cap 25 cu ft (0.71 m3)
Prime mover EMD 567
RPM range 275–800
Engine type V12 diesel
Generator EMD D-15B
Traction motors EMD D-19, 6 off
Cylinders 12
MU working Yes
Train heating None
Loco brake Air
Train brakes Air, schedule 6-SL
Performance figures
Maximum speed 60 mph (97 km/h)
Power output 1,200 hp (890 kW)
Tractive effort Continuous: 40,000 lbf (177.9 kN)
Operators Canadian National Railways
Class Y-4-a, Y-4-b, later GR-12a, GR-12b
Numbers 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 December 1952 C-131 Y-4-a GR-12a Preserved Clarenville, NL
901 A304 December 1952 C-131 Y-4-a GR-12a  
902 A305 December 1952 C-131 Y-4-a GR-12a Preserved Lewisporte, NL
903 A435 January 1953 C-153 Y-4-b GR-12b  
904 A436 January 1953 C-153 Y-4-b GR-12b  
905 A437 January 1953 C-153 Y-4-b GR-12b  
906 A438 February 1953 C-153 Y-4-b GR-12b Preserved St.John's, NL
907 A439 February 1953 C-153 Y-4-b GR-12b  
908 A440 February 1953 C-153 Y-4-b GR-12b  

See also


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