CLASS 53

TOPS number range:

Not issued

1957 BR number:

D1200

Original private number:

D0280

Built by:

Brush Ltd, Loughborough

Introduced on loan:
Introduced to BR stock:

1961
1970

Wheel arrangement:

Co- Co

Weight (operational):

115 tonnes

Height:

12ft 9 7/8in

Width:

8ft 9in

Length:

68ft 10in

Min curve negotiable:

4 chains

Maximum speed:

100mph

Wheelbase:

56ft 4 1/2 in

Bogie wheelbase:

14ft 11in

Bogie pivot centres:

42ft

Wheel diameter:

3ft 7in

Brake type:

Originally vacuum, after being sold to BR converted to air brake only

Sanding equipment:

Pneumatic

Route availability:

6

Heating type:

Steam - Spanner Mk 3, removed in 1972

Multiple coupling restriction:

Not fitted

Brake force:

59 tonnes

Engine type:

2 x Maybach MD 655

Engine horsepower:

Total 2,700hp

Power at rail:

2,165hp

Tractive effort:

60,0001b

Cylinder bore:

7 1/4 in

Cylinder stroke :

7 7/8 in

Main generator type:

2 x Brush TG110-56 Mk 2

Aux generator type:

2 x Brush TAG

Number of traction motors:

6

Traction motor type:

Brush TM73-68 Mk 2

Gear ratio:

Fuel tank tapacity:

1,400gal

Cooling water capacity:

??? gal

Lub oil capacity:

??? gal

Boiler water capacity:

800gal