CLASS 40

TOPS number range:

40001-40199

BR 1957 number range:

D200 D399

Former class codes:

D20/1, later 20/3

Built by:

EE & RSH Ltd

Introduced:

1958-62

Wheel arrangement:

1Co-Co1

Weight (operational):

136 tonnes

Height:

12ft 10in

Width:

9ft

Length:

69ft 6in

Min curve negotiable:

4 1/2 chains

Maximum speed:

90mph

Wheelbase:

61ft 3in

Bogie wheelbase:

21 ft 6in

Bogie pivot centres:

34ft 4in

Wheel diameter (driving):
Wheel diameter (pony):

3ft 9in
3ft

Brake type:

Originally Vacuum, modified to Dual

Sanding equipment:

Pneumatic

Heating type:

Steam - Stones OK 4625

Route availability:

6

Multiple coupling restriction:

Blue Star

Brake force:

51 tonnes

Engine type:

English Electric 16SVT Mk11

Engine horsepower:

2,000hp

Power at rail:

1,550hp

Tractive effort:

52,0001b

Cylinder bore:

10in

Cylinder stroke:

12in

Main generator type:

EE822

Aux generator type:

EE911-2B

Number of traction motors:

6

Traction motor type:

EE 526-5D

Gear ratio:

61:19

Fuel tank capacity:

71O gal

Cooling water capacity:

20O gal

Boiler water capacity:

800 gal

Lub oil capacity :

14O gal

  Present operator:

Private operators