| Diesel Electric Rail Motor (DERM) |
|---|
 Preserved 58RM passes through West Richmond on a heritage trip to Mernda |
| Type and origin |
|---|
| Power type | Diesel engine, Originally Petrol |
|---|
| Designer | Electro-Motive Corporation |
|---|
| Builder | Newport Workshops |
|---|
| Build date | 1928–1931 |
|---|
| Total produced | 10 |
|---|
|
| Specifications |
|---|
| Gauge | 5 ft 3 in (1,600 mm) |
|---|
| Length | 58 ft (18 m) |
|---|
| Loco weight | 43.07 long tons (43.76 t; 48.24 short tons) |
|---|
| Fuel type | Originally Petrol, converted to Diesel fuel |
|---|
| Fuel capacity | 750 litres (200 US gal) |
|---|
| Engine type | 220 hp Winton six-cylinder petrol engine (Petrol)
2 x Series 71 twin six-cylinder diesel engines (Diesel) |
|---|
| Generator | General Electric DT 501E2 |
|---|
| Traction motors | 2 x General Electric GE 273A |
|---|
|
| Performance figures |
|---|
| Maximum speed | 100 kilometres per hour (60 mph) |
|---|
| Power output | 220 hp (Petrol), 255 bhp (Diesel) |
|---|
|
|
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.
&sq=Google&lang=en&file=File:Restored_Vintage_%27DERM%27_Rail_motor_runs_a_Rail_Fan_trip_to_Mernda,_Melbourne.png)
&sq=Google&lang=en&file=File:63rm_daylesford_3.jpg)
&sq=Google&lang=en&file=File:Victorian_Railways_Petrol_Electric_railmotor.jpg)
&sq=Google&lang=en&file=File:Derm_58_at_Thornbury.jpg)