| Alexander Dennis Enviro400 | |
|---|---|
 An Alexander Dennis Enviro400 in service with London operator Metroline. |
|
| Manufacturer | Alexander Dennis |
| Built at | Falkirk, Scotland |
| Capacity | 64–80 |
| Operator(s) | Stagecoach Group National Express Group Metroline London Central and others. |
| Specifications | |
| Floor type | Low floor |
| Doors | Single or dual door |
| Chassis | Alexander Dennis Enviro400 Volvo B7TL 2-axle Volvo B9TL Scania N230UD |
| Engine(s) | Cummins ISCe/ISBe (Enviro400) Volvo D7C (Volvo B7TL) Volvo D9B (2-axle Volvo B9TL) Scania DC9 (Scania N230UD) |
| Transmission | Voith/ZF |
| Options | Various customer options |
The Alexander Dennis Enviro400 is a 2-axle double-decker bus built by Alexander Dennis from late 2005. It is designed as the replacement of the Alexander ALX400 body.
The Enviro400 was designed by TransBus International until its collapse and reformation as Alexander Dennis. The Enviro400, like the other products in the Enviro range, is an integral, but the body is also available on the Volvo B7TL/B9TL and Scania N230UD chassis for sale in the UK market. The Enviro400 chassis can also be built with body by other manufacturers.
London operator Metroline was the first company to order the Enviro400, with the first of 28 entering service in January 2006. One dual door demonstrator, named "Spirit of London", was delivered to Stagecoach London to replace the Dennis Trident destroyed during 7 July 2005 London bombings [1] and a single door demonstrator was delivered to the then Travel West Midlands (now National Express West Midlands) for evaluation. Both prototypes were exhibited at "Coach & Bus Live 2005" in the National Exhibition Centre in Birmingham, UK and then entered service in January 2006. Metroline, National Express West Midlands and the Stagecoach Group were large customers of the Dennis Trident.
The Enviro400 had sold well in London with a number of operators, such as Travel London and London General (which received the first Euro IV-engined Enviro400 in May 2006), operating these buses. It is also popular with Stagecoach, who placed its first order of 130 low-height models in February 2006, later followed by another 389 buses with Euro IV/V engine. Arriva also received Enviro400s for their UK operations, Arriva Merseyside relaunched their Wirral - Liverpool 'Cross River' services with a batch of 23 in January 2009. A further batch of 10 are also to be introduced to Arriva Merseyside's cross-Liverpool service 60 linking Bootle with Aigburth in September 2009.
Besides, one example was built for use in the 2008 Summer Olympics.
On 13 October 2006, Solent Blue Line received a Volvo B7TL/Enviro400 meeting the Euro III emission standard, with the interior in Wilts & Dorset livery. This remains a one-off as all subsequent Enviro400s on Volvo chassis were built on the B9TL chassis. An Arriva demonstrator was shown at Euro Bus Expo in 2006 to the latter standard.
Irish state run operator Dublin Bus was the first bus operator to order the Volvo B9TL-based Enviro400, it ordered 50 with the first of these entered service on 14 August 2007, later followed by another 50. In the UK, East Yorkshire Motor Services took delivery of 5 Enviro400-bodied Volvo B9TL in December 2007, which entered service in January 2008. London General also received 3 Enviro400-bodied Volvo B9TLs in October 2008, which are being evaluated against integral Enviro400s and Wright Eclipse Gemini-bodied Volvo B7TLs that are extensively featured in Go-Ahead's London Central/General fleets.
Stagecoach announced on 28 February 2007 that it had ordered 25 Enviro400s with Scania N230UD chassis, which were subsequently delivered in early 2008. These were followed by another 56 for delivery in 2009 and 100 for 2009/10.
Gallery
 The front of "Spirit of London", now owned by East London. The name is on the side by the doors. |
 The unique Volvo B7TL/Enviro400 owned by Bluestar. |
See also
Competitors (chassis/complete bus):
Competitors (bodywork):
External links
- Product description of Enviro400 in Alexander Dennis official website
- Product description of Enviro400H in Alexander Dennis official website
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Wikimedia Commons has media related to: Alexander Dennis Enviro400 |
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