Bombardier HR-412 - Train - railroad.wikisort.org

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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.[1]

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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
Configuration:
• AAR	B-B
• UIC	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 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.

References

Foster, Gerald L. (1996). A field guide to trains of North America. Boston: Houghton Mifflin. p. 74. ISBN 0-395-70112-0.

"BBD HR-412". The Diesel Shop.

v t e Diesel and gas turbine locomotives built by MLW
Early switchers	S-2 S-3 S-4 S-7 S-10 S-11 S-12 S-13
Cab units	FA-1 FB-1 FA-2 FB-2 FPA-2 FPB-2 FPA-4 FPB-4
Roadswitchers	RS-1 RS-2 RS-3 RSC-3 RS-10 RS-11 RSD-12 RS-13 RSC-13 RSC-14 RSD-17 RS-18 RS-23 RSC-24 RSD-35
Century series	C-415 C-424 C-630M
M series	M-420 M-420B M-420R M-420TR M-420TR-2 M-424 M-630 M-636 M-640
Other designs	DL500S DL535E M420 TURBO LRC-2 LRC-3 E-1800
Bombardier designs	HR-412 HR-616
(See also: List of MLW diesel locomotives)

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See also

References