South Australian Railways Redhen railcar

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Red Hen railcar
A typical 3-car Red Hen consist in original livery at the National Railway Museum, Port Adelaide: 400 class double-ended power car no. 400, 860 class trailer no. 875, and a 300 class single-ended power car no. 321
Manufacturer	South Australian Railways
Built at	Islington Railway Workshops
Replaced	Brill railcars
Constructed	1955-1971
Entered service	1955-1996
Number built	111
Number preserved	27
Formation	1/2/3 carriages
Fleet numbers	300-373, 400-436
Capacity	300-341: 91 362-373: 89 400-419: 80 420-436: 78
Operators	South Australian Railways State Transport Authority TransAdelaide
Specifications
Car length	20.00 m (65 ft 7 in)
Width	3.05 m (10 ft 0 in)
Height	4.27 m (14 ft 0 in)
Wheel diameter	914 millimetres (36 in)
Maximum speed	88 km/h (55 mph)
Prime mover(s)	2 x GM model 6/71: 300-341, 362-373, 400-436 2 x Rolls-Royce C6SFLH: 342-361
Braking system(s)	Westinghouse air brakes
Track gauge	1,600 mm (5 ft 3 in)

The Redhen railcars (originally, Red Hen)^[1] was the nickname given to the 300 and 400 classes of diesel-hydraulic railcars designed by the South Australian Railways and built at its Islington Railway Workshops between 1955 and 1971. The railcars, which operated in Adelaide suburban service until 1996, remain a nostalgic part of South Australian memory. Some continue to be operated by the SteamRanger Heritage Railway, the National Railway Museum, Port Adelaide and other railway preservation entities.