| Southern Railway 2-WIM | |
|---|---|
| In service | 1929–1954 |
| Built at | Peckham Rye Works |
| Constructed | 1929 |
| Number built | 4 |
| Number scrapped | 4 |
| Fleet numbers | 1909–1912, later 1809–1812 |
| Capacity | 16 first class, 91 third class |
| Operators | Southern Railway, British Railways |
| Lines served | Wimbledon to West Croydon |
| Specifications | |
| Train length | 127 ft 4 in (38.81 m) |
| Width | 9 ft 3 in (2.82 m) |
| Electric system(s) | 750 V DC |
| Current collector(s) | Third rail |
| UIC classification | Bo′2′+2′2′ |
| Braking system(s) | Automatic air |
| Coupling system | Screw-link |
| Multiple working | Standard SR system |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) |
2-WIM was the designation given, by Southern Railway (SR), to a 4-strong fleet of electric multiple units, dedicated for use on the ex-LBSCR West Croydon to Wimbledon Line, using the headcode 2. None of these units survived long enough in British Rail ownership to be allocated a TOPS class.