CLASS 26

Sub class:

26/0

26/1

TOPS number range:

26001-26020

26021 -26046

1957 BR number range:

D5300-D5319

D5320-D5346

Former class codes:

D11 /4, later 11/6

11 /6A

Built by:

Birmingham RCW

Birmingham RCW

Introduced:

1958-1959

1959

Wheel arrangement:

Bo-Bo

Bo-Bo

Weight (operational):

75-79 tonnes

75-79 tonnes

Height:

12ft 8in

12ft 8in

Width:

8ft 10in

8ft 10in

Length:

50ft 9in

50ft 9in

Min curve negotiable:

5 chains

5 chains

Maximum speed:

75mph

75mph

Wheelbase:

39ft

39ft

Bogie wheelbase:

10ft

10ft

Bogie pivot centres:

29ft

29ft

Wheel diameter:

3ft 7in

3ft 7in

Brake type:

Originally - Vacuum, modified to - Dual

Originally - Vacuum, modified to -Dual

Sanding equipment:

Pneumatic

Pneumatic

Route availability:

Originally - 5,
reclassified to 6 from 1987

6

Heating type:

Steam - Stones, later removed

Steam - Stones, later removed

Multiple coupling restriction:

Blue Star

Blue Star

Brake force:

35 tonnes

35 tonnes

Engine type:

Originally - 6LDA28A
Modified to - 6LDA28B

Originally - 6LDA28A
Modified to - 6LDA28B

Engine horsepower:

1,160hp

1,160hp

Power at rail:

900hp

900hp

Tractive effort:

42,000 lb

42,000 lb

Cylinder bore:

11 in

11 in

Cylinder stroke:

14 in

14 in

Main generator type:

CG391-A1

CG391-A1

Aux generator type:

CAG 193 1A

CAG 193 1A

Number of traction motors:

4

4

Traction motor type:

CP171-A1

CP171 D3

Gear ratio:

63:16

63:16

Fuel tank capacity:

50Ogal

50Ogal

Cooling water capacity:

19Ogal

19Ogal

Lub oil capacity:

10Ogal

10Ogal

Boiler water capacity:

55Ogal

55Ogal