British Rail Class 107
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| British Rail Class 107 (Derby short heavyweight) |
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.jpg) Units 107 427 and 107 444 at Largs in April 1984 |
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| In service | 1960–1991 |
| Manufacturer | BR Derby Works |
| Constructed | 1960 |
| Number built | 26 sets (78 cars) |
| Formation | 3-car sets: DMBS-TSL-DMCL |
| Capacity | DMBS: 52 second-class TSL:71 second-class DMCL: 12 first-class, 53 second-class |
| Operator | British Rail |
| Specifications | |
| Car length | 58 ft 1 in (17.70 m) |
| Width | 9 ft 3 in (2.82 m) |
| Height | 12 ft 4 in (3.76 m) |
| Maximum speed | 70 mph (113 km/h) |
| Weight | DMBS: 35.0 tonnes (34.4 long tons; 38.6 short tons) TCL: 28.5 tonnes (28.0 long tons; 31.4 short tons) DTCL: 35.5 tonnes (34.9 long tons; 39.1 short tons) |
| Engine(s) | Two BUT 6-cylinder diesels of 150 bhp (112 kW) each per power car |
| Power output | 600 bhp (447 kW) per set |
| Transmission | Mechanical: 4-speed epicyclic gearbox |
| Safety system(s) | AWS |
| Coupling system | Screw-link, British Standard gangways |
| Multiple working | Blue Square |
| Gauge | 1,435 mm (4 ft 8 1⁄2 in) |
The British Rail Class 107 diesel multiple units were built by the Derby Works of British Railways and were introduced in 1960. The class looked similar to the later Class 108 units, but were heavier - having been built out of steel.
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[edit] Usage
Class 107 was used in the Scottish Region, where the Class remained for its service life. When new, a number were used on Dundee/Arbroath services. In later years, they were used almost exclusively on services radiating from Glasgow Central to such destinations as Barrhead, East Kilbride, and Kilmacolm, and - prior to electrification - on Glasgow/Ayrshire services (especially Largs). Most were withdrawn from service by 1991.
Many of the units went into departmental use after being withdrawn from passenger use. The class suffered from a structural problem, however, which could result in the bodies separating from the chassis under heavy braking.
[edit] Orders
| Lot No. | Car Type | Qty | Fleet number | Notes |
|---|---|---|---|---|
| 30611 | Driving Motor Brake Second (DMBS) | 26 | 51985–52010 | |
| 30612 | Driving Motor Composite with lavatory (DMCL) | 26 | 52011–52036 | |
| 30613 | Trailer Second with lavatory (TSL) | 26 | 59782–59807 |
Originally, there were no fixed set formations, but eventually, sets were numbered as 107425-449 in DMBS order (the DMCLs & TSLs were formed into the sets at random). Renumbered to 107725-749 in 1988 to avoid confusion of set numbers with new 156 units which also had 4xx numbers. Renumbered again to 107025-049 about 1990 to avoid similar confusion with new class 158s numbered in 7xx series.
[edit] Other technical details
- Coupling Code: Blue Square
- Transmission: Standard mechanical
For coupling codes see British United Traction
[edit] Preservation
Several examples of the class have entered preservation.
| Number | Vehicle type | Location |
|---|---|---|
| 51990 | DMBS | Strathspey Railway |
| 51993 | DMBS | Tanat Valley Light Railway |
| 52005 | DMBS | Nene Valley Railway |
| 52006 | DMBS | Avon Valley Railway |
| 52008 | DMBS | Strathspey Railway |
| 52012 | DMC | Tanat Valley Light Railway |
| 52025 | DMC | Avon Valley Railway |
| 52029 | DMC | Llanelli and Mynydd Mawr Railway |
| 52030 | DMC | Strathspey Railway |
| 52031 | DMC | Nene Valley Railway |
| 59791 | TS | Nene Valley Railway |
[edit] References
- Motive Power Recognition: 3 DMUs. Colin J. Marsden
- British Railway Pictorial: First Generation DMUs. Kevin Robertson
- British Rail Fleet Survey 8: Diesel Multiple Units- The First Generation. Brian Haresnape
- A Pictorial Record of British Railways Diesel Multiple Units. Brian Golding
[edit] External links
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Wikimedia Commons has media related to: British Rail Class 107 |
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