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Western Australian Government Railways classes ADE and ADT
Australia | 1937 | 6 produced
No. 451 “Governor Bedford” with matching trailer in 1939 at Midland
No. 451 “Governor Bedford” with matching trailer in 1939 at Midland
Rail Heritage WA / P00724

The WAGR had a diesel-electric railcar built by Armstrong Whitworth in Newcastle in 1937, which was the first rail vehicle in Australia to use this type of drive. Five more were prefabricated in assemblies in 1938 and assembled in Australia. Matching trailers were added a year later to increase capacity.

The motor cars were designated as class ADE and the trailers as class ADT. They were also called “Governor class” because they were named after Western Australian governors. Initially, they were mostly used in the Perth area, until the Wildflower class railcars appeared in 1949. After that they came to more rural areas and were retired between 1957 and 1962. More than ten years later, most of the vehicles were scrapped except for two trailers.

General
Built1937-1939
ManufacturerArmstrong Whitworth, Midland Railway
Axle config2-B+2-2 
Gauge3 ft 6 in (Cape gauge)
Seats76
Dimensions and Weights
Length117 ft
Wheelbase42 ft
Power
Power sourcediesel-electric
EngineSaurer
Engine type6-cyl. diesel
Engine output139 hp (104 kW)
Power Plant
Boiler
Calculated Values
DMU
local
last changed: 02/2023
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