Class 01

TOPS number range:

01001-01002

1948 BR number range:

11503-11506

1957 BR number range:

D2953-D2956 (Note: 1)

Former class codes:

DY1, later D1/2, 1/12

Built by:

Andrew Barclay, Kilmarnock

Year introduced:

1956 (Note: 2)

Wheel arrangement:

0-4-0

Weight :

25 tons 1 cwt

Height:

11ft 10 3/8 in

Length:

23ft 8in

Width:

8ft 5in

Wheelbase:

6ft 0in

Wheel diameter:

3ft 2in

Min curve negotiable:

1.06 chains

Engine type:

Gardner 6L3

Engine output:

153hp

Power at rail:

102hp

Tractive effort:

12,750lb

Cylinder bore:

5 1/2in

Cylinder stroke:

7 3/4in

Maximum speed:

14 1/4 mph

Brake type:

Air on loco, no train brakes

Brake force:

15 tonnes

Route availability:

1

Heating type:

Not fitted

Multiple coupling type:

Not fitted

Transmission:

Mechanical
Engine-gearbox - Vulcan Sinclair
Gearbox - Wilson 4-speed SE4

Final drive - Wiseman 15RLGB

Fuel tank capacity:

325gal

Cooling water capacity:

35gal

Lub oil capacity:

?gal

Sanding equipment:

Pneumatic