SR Class CW

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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 the Grouping and were introduced by the Southern Railway.

[edit] Construction

The CW (Coulsdon and Wallington stock) units were built in 1923-1924, as the last electric train stock for use on the LBSCR AC overhead electrified lines in South London. This stock comprised some hundred carriages, which were used in five car formations (Driving Trailer Third + Driving Trailer Composite + Motor Luggage Van + Trailer Composite + Driving Trailer Third).

The stock, built by the Metropolitan Carriage Wagon & Finance Company at Birmingham, was as follows:

  • 21 Motor Luggage Vans
  • 60 Driving Trailers
  • 20 Trailers

The Motor Luggage Vans (nicknamed "Milk Vans") each had four 250 horsepower GEC traction motors.

After the replacement of the AC overhead equipment by the 660 V DC third rail system adopted as standard by the SR, the carriages that formed these units were rebuilt accordingly, the Motor Luggage Vans becoming goods train guard's vans.


British Rail electric multiple units
Diesel locomotives - Electric locomotives - Miscellaneous locomotives
Diesel multiple units
(DMUs and DEMUs) - Electric multiple units (EMUs) - Departmental multiple units
AC units
Classes: 300 - 302 - 303 - 304 - 305 - 306 - 307 - 308 - 309 - 310 - 311 - 312 - 313 - 314 - 315 - 316
317 - 318 - 319 - 320 - 321 - 322 - 323 - 325 - 332 - 333 - 334 - 350 - 357 - 360 - 365 - 370
373 - 375 - 376 - 377 - 378 - 390 - 395
Pre-TOPS: AM1 - AM2 - AM3 - AM4 - AM5 - AM6 - AM7 - AM8 - AM9 - AM10 - AM11 - (AM12) - CP - CW - SL
MR Lancaster Units
DC units
Classes: 401 - 402 - 403 - 404 - 405 - 410 - 411 - 412 - 413 - 414 - 415 - 416 - 418 - 419 - 420 - 421
422 - 423 - 424 - 427 - 430 - 431 - 432 - 438 - 442 - 444 - 445 - 446 - 447 - 450 - 455 - 456
457 - 458 - 460 - 465 - 466 - 480 - 482 - 483 - 485 - 486 - 487 - 488 - 489 - 491 - 492 - 499
501 - 502 - 503 - 504 - 505 - 506 - 507 - 508
 Original TOPS: 411 - 412 - 413 - 414/1 - 414/2 - 421/1 - 421/2 - 422/1 - 422/2 - 423 - 424 - 431/1 - 431/2
432 - 441 - 442/1 - 442/2 - 451 - 452 - 453 - 461 - 462
 SR classes: GLV - MLV - TLV - 2Bil - 2EPB - 2Hal - 2Hap - 2Nol - 2Pan - 2Pep - 2Sap - 2SL - 2Wim - 3Cep
3Cig - 3Cop - 3Sub - 3TC - 3Tis - 4Bep - 4Big - 4Buf - 4Cap - 4Cep - 4Cig - 4Cor - 4DD
4Des - 4EPB - 4Gri - 4Jop - 4Lav - 4Pep - 4Rep - 4Res - 4Sub - 4TC - 4Tep - 4Vec - 4Veg
4Vep - 4Vip - 4Vop - 5Bel - 5Des - 5TCB - 5Wes - 6Cit - 6Pan - 6Pul - 6Rep - 8Dig - 8Gat
8Mig - 8Vab
Pre-TOPS: BEMU - LNER Tyneside Units - LNWR Watford Units - LYR Bury Units
Departmental units
Classes: 910 - 920 - 930 - 931 - 932 - 933 - 935 - 936 - 937 - 960