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| Alexander Dennis Enviro500 | |
|---|---|
 Citybus Enviro500 in Hong Kong in March 2023 | |
| Overview | |
| Manufacturer | TransBus International/Alexander Dennis |
| Production | 2002–2014 |
| Body and chassis | |
| Doors | 1 or 2 doors |
| Floor type | Low floor |
| Chassis | Alexander Dennis Enviro500 (a.k.a. Trident E500) 3-axle Volvo B9TL |
| Related | Alexander Dennis Enviro400 |
| Powertrain | |
| Engine | Cummins ISMe/ISM/ISLe/ISL (ADL Enviro500) Volvo D9A/D9B (3-axle Volvo B9TL) |
| Power output | Cummins: 330hp/335hp/340hp/380hp Volvo: 300hp/310hp/340hp |
| Transmission | Voith DIWA ZF Ecomat Allison B500R |
| Dimensions | |
| Length | 11.3 m (37 ft 1 in), 12 m (39 ft 4 in) and 12.8 m (42 ft 0 in) |
| Width | 2.55 m (8 ft 4 in) |
| Height | 4.1 m (13 ft 5 in), 4.2 m (13 ft 9 in), and 4.4 m (14 ft 5 in) |
| Chronology | |
| Predecessor | Alexander ALX500 Dennis Trident 3 |
| Successor | Alexander Dennis Enviro500 MMC |
The Alexander Dennis Enviro500 (previously known as the TransBus Enviro500) is a three-axle double-decker bus built by Alexander Dennis (formerly by TransBus International) in the United Kingdom. It was unveiled in 2002 and is one of the Enviro-series bus models made by TransBus/Alexander Dennis. The bus was sold on diesel or hybrid-electric powertrains and on Volvo chassis as a bodywork.
In 2014, the Enviro500 was superseded by the new Alexander Dennis Enviro500 MMC.