ADL/ADC class diesel multiple unit
The ADL class is a class of diesel multiple units that were last operated by Auckland One Rail on the suburban rail network in Auckland, New Zealand. Originally built in the early 1980s by A Goninan & Co for Westrail of Western Australia, they were sold in 1993 by Westrail's successor, Transperth, to New Zealand Rail. The units are currently owned by Auckland Transport, and were withdrawn from service in August 2022 and transported to Glenbrook Vintage Railway and Pukeoware depot for storage.
| ADL/ADC class railcar | |
|---|---|
A refurbished ADL/ADC near Britomart in 2009 | |
| In service | Australia: 1982–1993, New Zealand: 1993–2022 |
| Manufacturer | A Goninan & Co |
| Built at | Newcastle |
| Replaced | New Zealand: 56-foot carriages |
| Constructed | 1981–1985 |
| Entered service | 1981 (Perth) 1993 (Auckland) |
| Refurbished | 2002 |
| Number built | 10 sets |
| Number in service | 0 sets |
| Formation | ADL+ADC |
| Fleet numbers | ADL 801–ADL 810 ADC 851–ADC 860 |
| Capacity | 132 |
| Operators | Westrail, Tranz Metro, Transdev Auckland |
| Depots | Westfield, Pukekohe |
| Lines served | Southern Line (Papakura – Pukekohe) |
| Specifications | |
| Car body construction | 20.26 m (66 ft 6 in) |
| Train length | 42.20 m (138 ft 5 in) |
| Car length | 21.10 m (69 ft 3 in) over couplers |
| Width | 2.74 m (9 ft 0 in) |
| Height | 3.84 m (12 ft 7 in) |
| Floor height | 1.12 m (3 ft 8 in) |
| Doors | Air-operated sliding doors; two each side (four per car), 1.26 m (4 ft 2 in) wide |
| Maximum speed | 90 km/h (56 mph) |
| Weight | ADL: 42.97 tonnes (95,000 lb) ADC: 35.75 tonnes (79,000 lb) |
| Prime mover(s) | Cummins NT855 R4 |
| Power output | ADL: 2 x 205 kW (275 hp), one engine for each bogie |
| Transmission | Voith |
| Auxiliaries | ADC: diesel alternator |
| HVAC | Heating & air conditioning |
| UIC classification | Bo′Bo′+2′2′ |
| Braking system(s) | Electro-pneumatic |
| Coupling system | Australia: Norwegian coupling NZ: Kidney link & pin |
| Multiple working | Within class |
| Track gauge | 1,067 mm (3 ft 6 in) |
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