WDG3A Class Locomotives & Variants
The Loco Story :
Built by Diesel Locomotive Works, Varanasi first in 1995.
Maximum speed limit - 100 kmph. Power output of 3100 hp.
A very successful class of diesel freight locomotives in Indian conditions.
Most of these are air-braked, but some (e.g., at Pune) are being retrofitted with vacuum brakes to make them dual-braked to handle the vacuum-braked freight stock.
Balancing speed of 69km/h with a 58 BOXN wagon load.
Newer units of this class are being fitted with microprocessor governors.
Engines --- Kirloskar-Cummins NTA 855L, 6 cylinders
Transmission --- Suri and Nayar Voith hydraulic, model L2r2zU2 with 2-stage reduction in final drive gearbox.
Axle Load --- 17.5 tonnes
Power output --- 335 hp
Bogie type --- 4-wheeled
Max speed --- 30 kmph
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