Railway of origin British Railways
Introduced 1959
Manufacturer Birmingham Railway Carriage &Wagon Co.
Purpose Mixed Traffic
Wheel Arrangement Bo-Bo
Engine Sulzer
Transmission Electric
Number Built 98
External Dimensions
Length over buffers: 50' 9"
Overall wheelbase: 39' 0"
Bogie wheelbase: 10' 0"
Bogie centres: 29' 0"
Overall height from rail: 12' 8"
Overall width 33/0 & 33/1: 9' 3"
33/2: 8' 8"
Wheel diameter: 3' 7"
Performance Specification
Maximum tractive effort: 45,000lbs at 26% adhesion
Continuous rated tractive effort: 26,000lbs at 17.5 mph
Continuous rated rail hp: 1215
Maximum service speed: 85mph
Fuel capacity: 800 gallons
Traction Equipment
Diesel engine: Sulzer 8-cylinder vertical single-bank in-line type 8LDA28 of 1550bhp at 750rpm
Main generator: Crompton Parkinson type CP CG 391B1,
main generator rating: 1012kW, 575V, 1760A, at 750rpm
auxiliary generator rating: 57kW, 110V, 518A, at 450rpm
train generator rating: 235kW, 750V, 313A, at 550rpm
Traction motors (four per loco): Crompton Parkinson type CP 171C2, in parallel; rating 305hp, 440A, 580V; gear ratio 62:17
Nominal Loco Weight in working order
Class 33/0: 76t 9c
Class 33/1 77t 6c
Class 33/2 76t 5c
Typical Depot Allocation (known up to 1982)
All initially Hither Green
Low-numbered Class 33/0 since 1963: Eastleigh
All Class 33/1 since conversion: Eastleigh
Class 33/2 during 1963-7: St. Leonards
© D. Bradford Barton 1982