CLASS 45 'Peak'

Sub class:

45/0

45/1

TOPS number range:

45001 45077 (random renumbering)

45101 45150 (random renumbering)

1957 BR number range:

D11-D137

D11-D137

Former class codes:

D25/1, later 25/1

D25/1, later 25/1

Built by:

BR Derby and Crewe

Rebuilt BREL Derby

Introduced:

1960-1962

1973-1975

Wheel arrangement:

1Co-Co1

1Co-Co1

Weight (operational):

138 tonnes

135 tonnes

Height:

12ft 10 1/8in

12ft 10 1/8in

Width:

8ft 10 5/8in

8ft 10 5/8in

Length:

67ft 11 in

67ft 11in

Min curve negotiable:

As built - 5 chains
Modified - 3 chains

As built - 5 chains
Modified - 3 chains

Maximum speed:

90mph

90mph

Wheelbase:

59ft 8in

59ft 8in

Bogie Wheelbase:

21 ft 6 in

21 ft 6 in

Bogie pivot centres:

32ft 8in

21 ft 6 in

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

3ft 9in
3ft

3ft 9in
3ft

Brake type:

Originally Vacuum, modified to Dual

Dual

Sanding equipment:

Pneumatic

Pneumatic

Heating type:

Steam - Stones OK 4625

Electric - Index 66

Route availability:

7

6

Multiple coupling restriction:

Originally - Blue Star, later removed

Not fitted

Brake force:

63 tonnes

63 tonnes

Engine type:

SuIzer 12LDA28 B

SuIzer 12LDA28 B

Engine horsepower:

2,500hp

2,500hp

Power at rail:

2,000hp

2,000hp

Tractive effort:

55,0001b

55,0001b

Cylinder bore:

11 in

11 in

Cylinder stroke:

14 in

14 in

Main generator type:

Crompton CG426A1

Crompton CG426A1

Aux generator type:

Crompton CAG252A1

Crompton CAG252A1

ETS alternator:

Not fitted

Brush BL 100-30 Mk II

Number of traction motors:

6

6

Traction motor type:

Crompton C172A1

Crompton C172A1

Gear ratio:

62:17

62:17

Fuel tank capacity:

84Ogal

84Ogal

Cooling water capacity:

346gal

346gal

Lub oil capacity :

19Ogal

19Ogal

Boiler water capacity:

1,04Ogal

Not fitted

  Present operator

  Private sector

  Private sector