Category:British Rail Class 66
- Main Wikipedia article: British Rail Class 66
For locomotives in France, see Euro Cargo Rail Class 66.
Minor differences between different orders, and different operating companies have resulted in a number of subclasses being defined:
|Subclass||Number built (year)||TOPS number range||Operators||Comments
|66/0||250||66001-66250||DBS||The original order of 250; the first loco arrived at Immingham in 1998|
|66/3||5||66301-66305||Fastline||Ordered to service a coal contract|
|66/4||24||66411-66434||DRS||Some are used on nuclear flask traffic - for which they are overpowered.|
|66/5||95||66501-66599||Freightliner||Replaced en:Class 47s on Intermodal freight.
66521 written-off after Great Heck crash, 66582, 66583, 66584, 66586 are active in Poland.
|66/6||25||66601-66625||Freightliner||Top speed of 65 mph - reduced gearing to cope with heavier oil, aggregates and cement trains.|
|66/7||32||66701-66732||GBRf||One operates on engineering work for Metronet on London's underground lines|
|66/8||2||66841-66842||Colas Rail||Former DRS 66/4|
|66/9||7||66951-66957||Freightliner||A lower emission variant - fuel capacity reduced due to increase mass of other components - the overall mass remains the same|
This category has the following 14 subcategories, out of 14 total.