railroad.wikisort.org - Train

British Rail Class D3/11 was a locomotive commissioned by the Great Western Railway, but delivered to its successor British Rail in England. It was a diesel powered locomotive in the pre-TOPS period.

British Rail Class D3/11
Type and origin Power type Diesel-electric Builder British Railways’ Swindon Works Order number Swindon Lot 346 Build date 1948 Total produced 6
Specifications Configuration: ​  • Whyte 0-6-0 DE  • UIC C Gauge 4 ft 8+1⁄2 in (1,435 mm) Wheel diameter 4 ft 0+1⁄2 in (1.232 m) Minimum curve 3.5 chains (70 m) Wheelbase 11 ft 6 in (3.51 m) Length 29 ft 1+1⁄2 in (8.88 m) Width 9 ft 0 in (2.74 m) Height 12 ft 5+5⁄8 in (3.80 m) Loco weight 46.45 long tons (47.20 t) Fuel capacity 659 imp gal (3,000 l; 791 US gal) Lubricant cap. 65 imp gal (300 l; 78 US gal) Coolant cap. 140 imp gal (640 l; 170 US gal) Prime mover English Electric 6KT Generator English Electric 801B Traction motors English Electric 506B, 2 off MU working Not fitted Train heating None Loco brake Air Train brakes None
Performance figures Maximum speed 20 mph (32 km/h) Power output Engine: 350 bhp (260 kW), At rail: 194 hp (145 kW) Tractive effort 38,500 lbf (171.3 kN)
Career Operators British Railways Class D3/11; later 3/11 Numbers 15101–15106 Axle load class Route availability 5 Retired 1967 Disposition All scrapped

Statistics

• Great Western number range: 502-507 (not carried)
• BR 1948 number range: 15101-15106
• Former class codes: D3/11, later 3/11
• Built by: BR Swindon
• Years introduced: 1948
• Wheel arrangement: 0-6-0
• Weight: 46 long tons 9 cwt
• Height: 12 ft 5⅝ in
• Length: 29 ft 1½ in
• Width: 9 ft 0 in (2.74 m)
• Wheelbase: 11 ft 6 in (3.51 m)
• Wheel diameter: 4 ft 0½ in
• Min curve negotiable: 3½ chains
• Engine type: English Electric 6KT
• Engine output: 350 hp (260 kW)
• Power at rail: 194 hp (145 kW)
• Tractive effort: 33,500 lbf (149,000 N)
• Cylinder bore: 10 in
• Cylinder stroke: 12 in
• Maximum speed: 20 mph (32 km/h)
• Brake type: Air on loco, no train brakes
• Route availability: 5
• Heating type: Not fitted
• Multiple coupling type: Not fitted
• Main generator type: EE801B
• Aux generator type: EE??
• Traction motor type: EE506B
• No of traction motors: 2
• Gear ratio: 21.7:1
• Fuel tank capacity: 659 gal
• Cooling water capacity: 140 gal
• Lub oil capacity: 65 gal
• Sanding equipment: Pneumatic

References

• Strickland, David C. (1982). Locomotive Directory, every single one there has ever been. Camberely, Surrey: Diesel & Electric Group. p. 62. ISBN 0-906375-10-X.

See also

• GWR diesel shunters
• List of British Rail classes

---