Bombardier HR-412

Bombardier HR-412
Type and origin
Power type Diesel-electric
Builder Bombardier
Serial number M6115-01 to M6115-10
Model HR-412
Build date September 1981–May 1982
Total produced 11
Specifications
AAR wheel arr. B-B
UIC class Bo′Bo′
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Wheel diameter 40 inches (1.0 m)
Minimum curve 30°
Wheelbase Between truck centers:
47 ft 7 in (14.50 m)
Truck wheelbase:
9 ft 4 in (2.84 m)
Length 61 feet 0 inches (18.59 m)
Width 10 feet 5 inches (3.18 m)
Height Cab roof: 14 ft 11 in (4.55 m)
Overall: 15 ft 7 in (4.75 m)
Loco weight 272,000 lb (123,000 kg)
or 136 short tons (121 long tons; 123 t)
Fuel type Diesel
Fuel capacity 2,000 US gal (7,600 l)
Lubricant cap 160 US gal (610 l)
Coolant cap 200 US gal (760 l)
Sandbox cap 56 cu ft (1.6 m3)
Prime mover Alco 251C
RPM range 450 - 1050
Engine type V12 4-stroke diesel
Aspiration Mechanically-assisted turbocharger
Generator GE GTA17
Cylinders 12
Cylinder size 9 in (23 cm) diameter × 10 1⁄2 in (27 cm) stroke
Loco brake Straight air, Dynamic
Train brakes 26-L air
Performance figures
Maximum speed 67 mph (108 km/h)
Power output 2,400 hp (1.8 MW)
Tractive effort 60,000 lbf (267 kN)
Career
Operators Canadian National Railway
Class MR-20d
Numbers 2580-2589 (later 3580-3589)
Locale North America

The Bombardier HR-412, also known as the MLW HR-412, was a 4 axle, 2,400 horsepower (1.8 MW) freight locomotive manufactured in Montreal, Quebec, Canada. Ten were built for Canadian National Railway in between September and November 1981, numbered 2580-2589, and one was built for Bombardier as a demonstrator in May 1982, numbered BBD 7000. BBD 7000 was later sold to Canadian National.

The model designation stood for HR - High Reliability, 412 - 4 axles, 12 cylinder engine. The HR-412 was designed as the successor to the MLW M-420.

See also

References

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