threespeed47: class 43 under crane demo at Derby Loco Works
threespeed47: APT 37001
threespeed47: APT cab
threespeed47: 40132 Derby Loco Works
threespeed47: Class 25
threespeed47: class 43 overhaul
threespeed47: class 43 bogie
threespeed47: Sulzer engine
threespeed47: crankshaft in engine shop
threespeed47: camshafts
threespeed47: APT bogie & power car
threespeed47: APT power car interior
threespeed47: APT gearbox & brake unit
threespeed47: APT wheelset
threespeed47: APT bogie
threespeed47: 41001 HST prototype & 25216
threespeed47: 41001 HST prototype cab
threespeed47: bogie shop