Class S4

                          Pic by Mike Tisdale

Introduction year :- 1962
Year of Withdrawn: - 1976 to 1998           
No of Sets :- 05
Power car Nos  :-  621 to 625
Builder :-  MAN
State :- Germany
Prime Mover  :- MAN - V12 L12V18/21
Mode of Power transmission :- Diesel Hydraulic
Power  :-  1000 hp
rpm :- 1500
Weight :- 47 ton
Length :-  58' 9"
Wheel arrangement :-  B-B
Brake system :- Vacuum
Max speed  :- 80 Km/h
Gauge :- 1676 mm
Type :- Diesel Multiple Unit
Set Formation :- One power car,Three 3rd Class Compartment and 3rd Class dummy car
Purpose :- Suburban and Commuter service.