loco-info.com - Indian Railways class WDS-6

No. 36238 with a heavy passenger train at Visakhapatnam

Adityamadhav83 CC BY-SA: Attribution-ShareAlike

In the 1970s, a heavy shunting locomotive was needed to assemble heavy passenger trains, since the existing WDS-4 were no longer up to the job. The new locomotive was given the designation WDS-6, which stood for “Wide Gauge, Diesel, Shunting, 6^th Generation”. It had the same powerpack as the meter-gauge YDM-4, i.e. the six-cylinder ALCO 251-D with an output of 1,400 hp. Production started in 1975 at the Banaras Locomotive Works in Varanasi. Later, also in Parel, locomotives were assembled from components that had been manufactured in the BLW. Of the 411 WDS-6s built, many were later sold to industry or public sector undertakings.

General
Built	from 1975
Manufacturer	Banaras, Parel
Axle config	C-C
Gauge	5 ft 6 in (Indian broad gauge)

Dimensions and Weights
Length	52 ft 9 3/8 in
Wheelbase	42 ft 1 1/4 in
Service weight	249,122 lbs
Adhesive weight	249,122 lbs
Axle load	41,667 lbs

Boiler

Boiler

Power Plant

Power Plant

Power
Power source	diesel-electric
Top speed	44 mph
Starting effort	74,861 lbf
Engine	ALCO 251-D
Engine type	6-cyl. diesel
Fuel	793 us gal (diesel)
Engine output	1,400 hp (1,044 kW)

Calculated Values
Factor of adhesion	1 : 3.33
Power-to-weight ratio	0.0056 hp/lb
Adhesive weight/Total	1 : 1.00

diesel locomotive

switcher

last changed: 08/2023

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