Swing Door (train)

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Swing Door
Restored Swing Door carriage 8M at Newport Workshops, September 2022
In service	1887–1974
Manufacturer	Victorian Railways
Built at	Newport Workshops
Replaced	Steam hauled carriages
Constructed	1887–1909 (built), converted 19
Entered service	1887 (as locomotive-hauled carriages) 1919 (as EMU cars)
Retired	1974
Scrapped	1964-2015
Number built	144 motor cars, 32 driving trailers, 112 trailers
Fleet numbers	1-164M (Motor cars, with gaps), 1-32D (Driving trailers), 1-111T, 126T (Trailers)
Operators	Victorian Railways
Specifications
Articulated sections	None
Maximum speed	83 km/h (52 mph)
Traction system	4 x 105 kW GE239
Electric system(s)	1500 V DC overhead
Track gauge	5 ft 3 in (1,600 mm)

Swing Door trains, commonly known as "Dogboxes" or "Doggies", were wooden-bodied electric multiple unit (EMU) trains that operated on the suburban railway network of Melbourne, Victoria, Australia.

Swing Door cars had outward-opening doors and were reasonably narrow, to ensure that two passing trains would not foul each other if doors were accidentally left open. At certain locations, clearances were tight and there are stories of Swing Door cars losing doors that were not closed.^[1] The fleet could be seen running in any arrangement, from one car, using a double-ended M car, to seven cars.