Indian locomotive class WDM-3

Specifications
Specifications
Configuration:;
• AAR	C-C
• UIC	Bo-Bo
• Commonwealth	Bo-Bo
Gauge	1,676 mm (5 ft 6 in)
Wheel diameter	1,400 mm (4 ft 7 in)
Wheelbase	1,092 mm (3 ft 7 in)
• Engine	1
Length:;
• Over couplers	16.234 m (53 ft 3+1⁄8 in)
• Over body	14.8 m (48 ft 6+5⁄8 in)
Width	3.076 m (10 ft 1+1⁄8 in)
Height	4.235 m (13 ft 10+3⁄4 in)
Axle load	19,000 kg (42,000 lb)
Loco weight	76,000 kg (168,000 lb)
Fuel type	Diesel
Fuel capacity	3,200 L (700 imp gal; 850 US gal)
Lubricant cap.	425 L (93 imp gal; 112 US gal)
Coolant cap.	425 L (93 imp gal; 112 US gal)
Sandbox cap.	2.5 L (0.55 imp gal; 0.66 US gal)
Power supply	110 V DC supply
Prime mover	MD-108OZ
RPM:
• RPM idle	600
• Maximum RPM	1,600
Engine type	V20 diesel
Aspiration	Turbo-supercharged
Cylinders	20
Transmission	Diesel-hydraulic transmission
MU working	2
Loco brake	Air, Vacuum Hydrostatic braking
Train brakes	Air, Vacuum
Air tank cap.	3,200 L (700 imp gal; 850 US gal) /min
Compressor	3,600 L (790 imp gal; 950 US gal) /min
Exhauster	14,000 L (3,100 imp gal; 3,700 US gal) /min

Type and origin
Type and origin
Power type	Diesel
Designer	Henschel
Builder	Henschel
Order number	66/RSF/466/15
Serial number	31300–31307
Model	DHG 2500 BB
Build date	1970
Total produced	8

Indian locomotive class WDM-3
Indian locomotive class WDM-3
Power type
Type and origin
Power type	Diesel
Designer	Henschel
Builder	Henschel
Order number	66/RSF/466/15
Serial number	31300–31307
Model	DHG 2500 BB
Build date	1970
Total produced	8
Configuration:;
Specifications
Configuration:;
• AAR	C-C
• UIC	Bo-Bo
• Commonwealth	Bo-Bo
Gauge	1,676 mm (5 ft 6 in)
Wheel diameter	1,400 mm (4 ft 7 in)
Wheelbase	1,092 mm (3 ft 7 in)
• Engine	1
Length:;
• Over couplers	16.234 m (53 ft 3+1⁄8 in)
• Over body	14.8 m (48 ft 6+5⁄8 in)
Width	3.076 m (10 ft 1+1⁄8 in)
Height	4.235 m (13 ft 10+3⁄4 in)
Axle load	19,000 kg (42,000 lb)
Loco weight	76,000 kg (168,000 lb)
Fuel type	Diesel
Fuel capacity	3,200 L (700 imp gal; 850 US gal)
Lubricant cap.	425 L (93 imp gal; 112 US gal)
Coolant cap.	425 L (93 imp gal; 112 US gal)
Sandbox cap.	2.5 L (0.55 imp gal; 0.66 US gal)
Power supply	110 V DC supply
Prime mover	MD-108OZ
RPM:
• RPM idle	600
• Maximum RPM	1,600
Engine type	V20 diesel
Aspiration	Turbo-supercharged
Cylinders	20
Transmission	Diesel-hydraulic transmission
MU working	2
Loco brake	Air, Vacuum Hydrostatic braking
Train brakes	Air, Vacuum
Air tank cap.	3,200 L (700 imp gal; 850 US gal) /min
Compressor	3,600 L (790 imp gal; 950 US gal) /min
Exhauster	14,000 L (3,100 imp gal; 3,700 US gal) /min
Maximum speed
Performance figures
Maximum speed	120 km/h (75 mph)
Power output	Max: 2,500 hp (1,900 kW); Site rated: 2,440 hp (1,820 kW)
Tractive effort:;
• Starting	22.0 t (22 long tons; 24 short tons)
• 1 hour	22.0 t (22 long tons; 24 short tons)
• Continuous	14.0 t (14 long tons; 15 short tons)
Factor of adh.	0.33
Operators
Career
Operators	Indian Railways
Numbers	18515-18522
Locale	SCR
Delivered	July 1970
First run	August 1970
Last run	1990s
Retired	1995
Withdrawn	1995
Scrapped	1996
Disposition	All scrapped

The Indian locomotive class WDM-3 is a type of diesel-hydraulic locomotive that was developed by Henschel for Indian Railways in 1962. The model name "WDM-3" stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, 3rd generation (3). These locomotives were put into service between 1970 and 1971, and a total of eight were built between 1962 and 1970. However, they were decommissioned at Gooty in 1995 and are now retired from service.

These diesel-hydraulic locomotives are not related to the ALCO WDM-3A, despite their similar name.

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