Class W1

                      Pic by Primal Madusanka

Introduction years :- 1969 to 1971
Years of Withdrawn :- 1997 to 2012                                                                             
No of Locos :-  45
Loco Nos  :-  630 to 674
Builder :- Henschel Thyssen
State :- West Germany
Prime Mover  :- Paxman Ventura V12 YJXL
Mode of Power transmission :- Diesel Hydraulic
Power  :-  1150 H.P.
rpm :- 1500
Weight :- 61 ton
Length :-  42’
Wheel arrangement :-  B-B
Brake system : - Air and Vacuum
Max speed  :- 80 Km/h
Gauge : -  1676 mm
Type :- Locomotive
Purpose :-  Main line and Suburban Passenger and Freight train.