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British Rail Class D1/1 (formerly DY1) was a class ofshunting locomotives commissioned byBritish Rail inEngland. It was adiesel locomotive in the pre-TOPS period built by theHunslet Engine Company with a 153 horsepower (114 kW)Gardner 6L3 engine.
The design was specifically designed to work dockside tramways and was ordered by theEastern Region of British Railways to carry out this work. Equipped with a 5 ft 6 in (1.68 m) wheelbase, it could work the tight curves ofEast Anglian dock systems.
The locomotives were initially allocated toIpswich Engine Shed[1][2] and were fitted withcow-catchers for working the dockside tramway lines. As time passed and traffic levels declined at Ipswich, they were transferred away from Ipswich with D2950 being recorded atGreat Yarmouth (which had a quayside tramway) and D2951 atGoole which had a dock system. D2950 and D2951 were both transferred from Ipswich to Goole in December 1966.
Withdrawn in 1967 during a purge on non standardshunters, D2951 and D2952 werescrapped in 1968. D2950 survived in industrial use atLlanelli (at Thyssen (Great Britain) Ltd.) and was marked for preservation in 1982,[3] but was ultimately scrapped in 1983.[4]
| Year | Quantity in service at start of year | Quantity withdrawn | Locomotive numbers | Notes |
|---|---|---|---|---|
| 1966 | 3 | 1 | D2952 | |
| 1967 | 2 | 2 | D2950-51 | D2950 went into industrial use. |
Class D1/1 is being made as a kit and a ready-to-run model in OO gauge by Silver Fox Models.[5]
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