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| LB&SCR Coulsdon North & Sutton stock | |
|---|---|
| In service | 1925–1929 |
| Manufacturer | Metropolitan Carriage, Wagon and Finance Company |
| Constructed | 1923–1924 |
| Number built | 101 vehicles |
| Formation | 5-car sets: DTT-DTC-MLV-TC-DTT |
| Operators | Southern Railway |
| Specifications | |
| Car length | MLV: 42 ft 1 in (12.83 m) |
| Weight | MLV: 62 long tons (63 t; 69 short tons) |
| Power output | 1,000 hp (750 kW) |
| Transmission | Four GEC traction motors of 250 hp (186 kW) |
| Electric system(s) | 6.7 kV AC overhead lines |
| Current collector(s) | Bow collector |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
The Southern Railway (SR) gave the designation CW to the fleet of AC electric multiple units used on the lines to Coulsdon and Wallington. They were planned by the London, Brighton and South Coast Railway, but were delayed by World War I and the grouping and were introduced by the Southern Railway.