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The cab, crew compartment or driver's compartment of a locomotive, or a self-propelled rail vehicle, is the part housing the train driver, fireman or secondman (if any), and the controls necessary for the locomotive or self-propelled rail vehicle's operation.
For this livery, the loco cabs were entirely 'warning yellow', with black window surrounds (the yellow usually wrapping round behind the cab doors); the main bodysides were still rail blue but featured very large running numbers with a large white British Rail 'double arrow' logo in the middle, the full height of the body.
Walkway around the locomotive, from the cab front, to facilitate inspection and maintenance. [5] [6]: 437 [3]: 67 Frame The strong, rigid structure that carries the boiler, cab and engine unit; supported on driving wheels (43) and leading and trailing trucks (14, 46). [3]: 36 The axles run in slots in the frames.
Cab units were not generally used in Great Britain. The traditional makers continued to use heavyweight frames and cowl units instead. The LMS twins 10000 and 10001 used the design and later locomotive types such as the British Rail Class 37, and British Rail Class 40 utilised cab units but the term "cab unit" is not used in Britain. The Class ...
Cab signal lines only have wayside signals at interlockings and diamonds. When a locomotive does not have working cab signals, the dispatcher will activate the C light (indication is a flashing white lamp) to notify the crew that they may proceed to the next interlocking at the speed permitted by the wayside signal's aspect.
In Germany, Borsig in Berlin built a one-off streamlined cab-forward DRG Class 05 (serial number 05 003) 4-6-4 in 1937, with further development stopped by World War II. . Fueled by pulverized coal and with the firebox at the forward end, this loco was built with huge driving wheels, 2,300 mm (91 in) in diam
A slug is distinct from a B unit, which has both a prime mover and traction motors but no cab. A slug may have an operator's cab to allow engineers to operate a train with the slug in the lead, or the cab and much of the body can be omitted to reduce cost and size, the latter allowing better visibility for an operator in the mother.
A diesel locomotive with a crew cab permanently coupled to and acting as a controller for a similar slave diesel locomotive without a crew cab, primarily used for switching or shunting duties for large groups of rolling stock. Also known as master and slave. Crank pin A pin protruding from a wheel into a main or coupling rod. Crosshead