Alexander Dennis Enviro500
| Alexander Dennis Enviro500 (first generation) |
|
|---|---|
Kowloon Motor Bus Enviro500 in Hong Kong in October 2005
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|
| Overview | |
| Manufacturer | TransBus/Alexander Dennis |
| Production | 2002–2014 |
| Body and chassis | |
| Doors | 1 or 2 doors |
| Floor type |
Low entry Low floor |
| Chassis | Alexander Dennis Enviro500 (a.k.a. Trident E500) 3-axle Volvo B9TL |
| 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, 12.0 and 12.8 metres |
| Width | 2.55 metres |
| Height | 4.1, 4.2, and 4.4 metres |
| Chronology | |
| Alexander Dennis Enviro500 (second generation) |
|
|---|---|
Citybus second generation Enviro500 in January 2014
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|
| Overview | |
| Manufacturer | Alexander Dennis |
| Production | 2012–Present |
| Body and chassis | |
| Doors | 2 or 3 doors |
| Floor type | Low floor |
| Chassis | Alexander Dennis Enviro500 (a.k.a. Trident E500 Turbo) |
| Powertrain | |
| Engine | Cummins ISLe/ISL/ISBe |
| Power output | 280hp/330hp/340hp/380hp |
| Transmission |
Voith DIWA Allison B500R ZF EcoLife |
| Dimensions | |
| Length | 11.3, 12.0, 12.5 and 12.8 metres |
| Width | 2.50, 2.545 and 2.55 metres |
| Height | 3.9, 4.1, 4.2, and 4.4 metres |
| Chronology | |
The Alexander Dennis Enviro500 (previously known as the TransBus Enviro500) is a three-axle double-decker bus built by Alexander Dennis (formerly by TransBus) in the United Kingdom. It was unveiled in 2002 and is one of the Enviro-series bus models made by TransBus/Alexander Dennis.
The second generation Enviro500, also known as the Enviro500 MMC, was launched in 2012, replacing the original version.
The Dennis chassis for Enviro500 (also known as Trident E500) was modified from the Trident 3. It can be fitted with Cummins ISMe335 Euro III engine (later Cummins ISLe340 Euro IV/Euro V engine which uses AdBlue to reduce emission of nitrogen oxides through selective catalytic reduction process), or ISM-330 engine for the buses delivered to North America, and coupled to Voith DIWA864.3E 4-speed or ZF 5HP602 5-speed gearbox. Later Voith DIWA864.5 4-speed gearbox, ZF 6HP602 6-speed gearbox and Allison B500R 6-speed gearbox became available and gradually became the standard configurations.
Initially only the 12-metre (40 ft)-long version of the Enviro500 was built, but in 2007 Alexander Dennis announced the production of the 12.8-metre-long version, and an 11.3-metre-long variant followed in 2008.
Later Alexander Dennis developed the hybrid electric version of Enviro500, known as the Enviro500H, with GM-Allison's parallel hybrid drive system; it was unveiled in late 2008.
The body of the Enviro500 was based on the original style of the single-deck Enviro300, and the upper-deck frontal design was similar to the design used on the Plaxton President body.
The vehicle exceeded some design limitations in Hong Kong, prompting the local Transport Department to make some exclusions in order to make the buses available to KMB on time.
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Wikipedia