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Record: 71951 (21/04/2026)
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Clayton 17 Bo-Bo
Class Types
| Pre-Tops Class |
9/18 (Subsequently variations 17/1 and 17/2) |
| Pre-Tops Class |
9/19 (Subsequently variation 17/3) |
| TOPS Class |
17 |
General
| Year Introduced |
1962 |
| Wheel Arrangement |
Bo-Bo |
| Manufacturers |
|
| Number Range (as built) |
D8500-D8616 |
| Number Built |
117 |
|
|
|
Miscellaneous
|
17/1 |
17/2 |
17/3 |
| Year Introduced |
1962 |
As 17/1 |
As 17/1 |
| Maximum Speed |
60mph |
As 17/1 |
As 17/1 |
| Number Built |
86 |
2 |
29 |
| Number Range (as built) |
D8500-D8585 |
D8586/7 |
D8588-D8616 |
| Sanding Equipment |
Pneumatic |
As 17/1 |
As 17/1 |
| Route Availability |
4 |
As 17/1 |
As 17/1 |
| Multiple Working |
Red Diamond ? |
Red Diamond ? |
Blue Star |
| Brake Type (loco - as built) |
Vacuum |
As 17/1 |
As 17/1 |
Dimensions
|
17/1 |
17/2 |
17/3 |
| Weight |
68t 0cwt |
As 17/1 |
As 17/1 |
| Wheel Diameter |
3' 31⁄2" |
As 17/1 |
As 17/1 |
| Length |
50' 7" |
As 17/1 |
As 17/1 |
| Height |
12' 8" |
As 17/1 |
As 17/1 |
| Width |
8' 91⁄2" |
As 17/1 |
As 17/1 |
| Wheelbase |
36' 6" |
As 17/1 |
As 17/1 |
| Bogie Wheelbase |
8' 6" |
As 17/1 |
As 17/1 |
| Bogie Pivot Centres |
28' |
As 17/1 |
As 17/1 |
| Minimum Curve |
3.5 |
As 17/1 |
As 17/1 |
Power
|
17/1 |
17/2 |
17/3 |
| Power Unit |
2 x Paxman 6ZHXL |
2 x Rolls Royce 'D' V8 |
As 17/1 |
| Tractive Effort |
40,000lbs |
As 17/1 |
As 17/1 |
| Horse Power |
900hp (2 x 450hp) |
900hp (2 x 450hp) |
As 17/1 |
| Power at Rail |
602hp |
As 17/1 |
As 17/1 |
| Main Generator |
GEC WT800 |
As 17/1 |
Crompton Parkinson CP series |
| Auxiliary Generator |
GEC WT? series |
As 17/1 |
Crompton Parkinson CP series |
Transmission
|
17/1 |
17/2 |
17/3 |
| Transmission Type |
Electric |
As 17/1 |
As 17/1 |
| Traction Motor Number |
4 |
As 17/1 |
As 17/1 |
| Traction Motor Type |
GEC WT421 |
As 17/1 |
As 17/1 |
Heating
|
17/1 |
17/2 |
17/3 |
| Heating Type |
Not fitted (through steam pipe) |
As 17/1 |
As 17/1 |
Fuel, Lubricants, Water
|
17/1 |
17/2 |
17/3 |
| Fuel Capacity |
500gal |
As 17/1 |
As 17/1 |
|
