| Diesel Electric Rail Motor (DERM) |
|---|
 Preserved 58RM passes through West Richmond on a heritage trip to Mernda |
| Type and origin |
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| Power type | Diesel engine, Originally Petrol |
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| Designer | Electro-Motive Corporation |
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| Builder | Newport Workshops |
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| Build date | 1928–1931 |
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| Total produced | 10 |
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|
| Specifications |
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| Gauge | 5 ft 3 in (1,600 mm) |
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| Length | 58 ft (18 m) |
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| Loco weight | 43.07 long tons (43.76 t; 48.24 short tons) |
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| Fuel type | Originally Petrol, converted to Diesel fuel |
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| Fuel capacity | 750 litres (200 US gal) |
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| Engine type | 220 hp Winton six-cylinder petrol engine (Petrol)
2 x Series 71 twin six-cylinder diesel engines (Diesel) |
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| Generator | General Electric DT 501E2 |
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| Traction motors | 2 x General Electric GE 273A |
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|
| Performance figures |
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| Maximum speed | 100 kilometres per hour (60 mph) |
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| Power output | 220 hp (Petrol), 255 bhp (Diesel) |
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|
|
RM 63 as restored by DSCR in 2007
RM 55 as a PERM pre 1952
RM 58 Passes Thornbury on DERMPAV's Outer Suburban Tour 2022
The Diesel Electric Rail Motor (DERM) was a type of railmotor operated by the Victorian Railways in Australia.
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