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The J72 Class of tank engine posses the unique record of having been constructed at varying periods over a span of 54 years under three railways company ownerships: NER, LNER, & BR. Designed by T.W. Worsdell, and originally designated Class E1 by him, the J72 wa introduced in 1898 for light goods and shunting duties. They were a further development of the near-identical J71 Class, which had slightly larger diameter wheels, and were built at Darlington, Doncaster and by the Armstrong-Whithworth Company. Eighty-five J72's were built, the last LNER ones in 1925, then, after nationalisation, between 1949-51, British Railways built a further batch of twenty-eight identical to the original 1898 design making a class total of 113. During the late 40's, anumber of J72's were fitted with vacuum braking, enabling them to work as passenger pilots and on carriage shunting duties.
Bodyshell - factory-fitted separate details |
Handrails Safety valves - turned brass Whistle - turned brass |
Bufferbeam detail (pre-fitted) |
Cosmetic coupling - hook only |
Chassis/underframe detail |
Brake rigging chassis |
Wheel "aesthetics" |
Chemically-blackened |
Chassis construction |
Lightweight |
Coupling socket/mounting |
Non-NEM socket |
Coupling type |
Tension lock |
Loco-driven wheels (number of) |
2 wheels |
Minimum radius |
Radius 1 |
Separating the body from the chassis |
Secured with one or more screws |
DCC Capability: |
DCC compatible but no socket |
DCC speaker |
No provision for speaker |
Motor location |
Locomotive |
Motor type |
Ringfield |
Pickups |
All wheels |
Power collection |
2 rail DC |