Title: British Rail Class 33 - Wikipedia
Headings: British Rail Class 33
British Rail Class 33
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Contents
Background
Design
Electric Train Heating (ETH)
New-build locomotives
Class 33/0 – standard locomotives
Class 33/2 – narrow-bodied locomotives
Early years
Push-pull operations
Conversions – Class 33/1 – push-pull fitted locomotives
Tramway safety
Accidents and incidents
83301
Preservation
Model railways
Notes
References
Sources
Further reading
External links

Content: later 33001–33065, 33101–33 119, 33201–33212
Nicknames
Cromptons (All locomotives)
Bagpipes (33/1s only)
Slim Jims (33/2s only)
Axle load class
Route availability 6
Disposition
3 still in service, 24 preserved, 2 stored, remainder scrapped
The British Rail Class 33, also known as the BRCW Type 3 or Crompton, is a class of Bo-Bo diesel-electric locomotives, ordered in 1957 and built for the Southern Region of British Railways between 1960 and 1962. They were produced as a more powerful Type 3 (1,550 bhp) development of the 1,160 bhp Type 2 Class 26. This was achieved, quite simply, by removing the steam heating boiler and fitting a larger 8 cylinder version of the previous 6 cylinder engine. This was possible because of the traffic requirements of the Southern Region: locomotive-hauled passenger traffic depended on seasonal tourist traffic and was heavier in the summer, when carriage heating was not needed. In the winter, their expected use was to be for freight. Thus, they became the most powerful BR Bo-Bo diesel locomotive. The perennially unreliable steam heating boiler could also be avoided. A total of 98 were built by the Birmingham Railway Carriage and Wagon Company (BRCW) and they were known as "Cromptons" after the Crompton Parkinson electrical equipment installed in them. Like their lower-powered BRCW sisters, the Class 26 and Class 27 locomotives, their bodywork and cab ends were of all steel construction.