Electric multiple unit (Queensland Rail)
| Electric multiple unit | |
|---|---|
EMU 42 at Wacol station in September 2018 | |
Interior of an EMU | |
| Stock type | Electric multiple unit |
| In service | 17 November 1979 – 5 July 2025 (45 years, 230 days) |
| Manufacturer | Walkers |
| Built at | Maryborough |
| Replaced | SX carriages 2000 Class Railmotors |
| Constructed | 1979–1986 |
| Entered service | 17 November 1979 |
| Refurbished | 2004–2012 |
| Retired | 5 July 2025 |
| Scrapped | 2018–present |
| Number built | 264 carriages |
| Successor | New Generation Rollingstock QTMP Rollingstock (Future) |
| Formation | 3 carriage sets |
| Fleet numbers | 01–88 |
| Capacity | 3 carriage set: Seating: 248 |
| Operator | Queensland Rail |
| Lines served | All City network lines except Airport, Gold Coast & Sunshine Coast |
| Specifications | |
| Train length | 72.64 m (238 ft 4 in) |
| Width | 2.72 m (8 ft 11 in) |
| Height | 3.9 m (12 ft 10 in) |
| Floor height | 1.1 m (3 ft 7 in) |
| Doors | Air operated. Originally fitted with handles to activate. Later retrofitted with push buttons either side of the doors. |
| Wheel diameter | 840 mm (33 in) (new) |
| Wheelbase | 2,500 mm (8 ft 2 in) |
| Maximum speed | 100 km/h (62 mph) |
| Weight | 117.8 t (115.9 long tons; 129.9 short tons) |
| Traction system | ASEA thyristor–phase-fired controller |
| Traction motors | 8 × 135 kW (181 hp) separately excited DC motor (6 on sets 60 - 79) |
| Power output | 1.08 MW (1,450 hp) |
| Transmission | Axle hung; 97 : 17 gear ratio |
| Acceleration | 0.775 m/s2 (2.54 ft/s2) |
| Deceleration | 1.17 m/s2 (3.8 ft/s2) |
| HVAC | Sigma Air Conditioning |
| Electric system | 25 kV 50 Hz AC (nominal) from overhead catenary |
| Current collection | Pantograph |
| UIC classification | Bo′Bo′+Bo′Bo′+2′2′ or Bo'Bo'+Bo'2'+2'2' (Sets 60 - 79) |
| Braking systems | Blended regenerative electric and electro-pneumatic |
| Coupling system | Scharfenberg at each end of 3 car set |
| Multiple working |
|
| Track gauge | 1,067 mm (3 ft 6 in) |
| Notes/references | |
The Electric Multiple Unit (EMU) is a retired class of electric multiple unit manufactured by Walkers in Maryborough for Queensland Rail between 1979 and 1986. They were the first fleet of electric multiple units to be used in Queensland. They were retired from the Queensland Rail network in 2025.