Dennis Trident 2
- For 3-axle, longitudinal-engine Dennis Trident built for export, see Dennis Trident 3/Dennis Trident E500.
| Dennis Trident 2 | |
|---|---|
.JPG) | |
| Overview | |
| Manufacturer |
Dennis Alexander Dennis |
| Production | 1997-Present |
| Body and chassis | |
| Doors | 1 or 2 |
| Floor type | Low floor |
| Powertrain | |
| Power output |
Cummins C-series: 220hp, 245hp Cummins ISCe:: 225hp, 260hp Cummins ISBe: 250hp (diesel), 185hp (hybrid) Cummins ISLe: 320hp MAN D0836LOH:: 250hp |
| Transmission |
Voith DIWA ZF Ecomat ZF EcoLife (Enviro400 only) |
| Dimensions | |
| Length |
2-axle Trident: 9.9m, 10.5m, 10.6m, 11.4m Enviro400: 10.1m, 10.2m, 10.5m, 10.8m, 10.9m, 11.4m |
| Width | 2.55m |
| Height | 4.1m to 4.4m |
| Chronology | |
| Predecessor | Dennis Arrow |
| Successor | Alexander Dennis Enviro400 MMC |
The Dennis Trident 2 is a 2-axle low-floor double-decker bus chassis originally manufactured by Dennis, which was unveiled in 1997 and replaced the Dennis Arrow. It was built by TransBus after Dennis was incorporated into the group in 2001 (the Dennis brand name was once dropped). From 2004, it was built by Alexander Dennis.
The Trident 2 chassis features a transversely mounted engine on the right side, with the radiator mounted on the left side of the engine compartment. It could be fitted with C-series Euro II engine (later Cummins ISCe Euro III engine), coupled to Voith DIWA or ZF Ecomat gearbox. It was available with Alexander ALX400, Plaxton President and East Lancs Lolyne/Myllennium Lolyne bodywork.
In the first few years of production, the Trident 2 was popular with a large number sold to large bus operators such as Stagecoach, FirstGroup, Travel West Midlands and Lothian Buses. Some Tridents were exported to Ireland (for Dublin Bus[1]) and Spain (for sightseeing operations in Barcelona and Madrid). But later, due to increased competition after the launch of Scania OmniDekka and TransBus being put into administration, the sales of Trident 2 dropped significantly, leaving Stagecoach as its major buyer.
In 2005, Alexander Dennis developed the new version of Trident 2 chassis for its Enviro400 double-decker. Marketed as the Enviro400 chassis, the name "Trident 2" continued to appear on the manufacturer's plate [2] and it retained the Cummins ISCe Euro III engine (soon replaced by Cummins ISBe 6-cylinder Euro IV) and Voith/ZF gearbox, it also received a number of modifications such as a longer front overhang, with a different shape of fuel tank became available. Production of the older version of Trident 2 chassis continued until 2006, with the newest example being delivered to Isle of Man Transport.
The new version of Trident 2 chassis was also available with Darwen/Optare Olympus bodywork, the first example was delivered to CT Plus of London in 2008.
In 2008, Alexander Dennis unveiled the hybrid-electric powered version of Trident 2 (the Enviro400H) using BAE Systems's HybriDrive series drive system with Cummins ISBe 4-cylinder engine fitted for power generation.[2] Also in the same year, Alexander Dennis unveiled the further developed version of Trident 2 for the "New Generation" Enviro400, with the engine being moved to the left side and the radiator being moved to the right side of the engine compartment.[2] It could be fitted with Cummins ISBe Euro V or MAN D0836LOH engine, coupled to Voith DIWA or ZF EcoLife gearbox. In 2009, Alexander Dennis developed the Hong Kong version of the Trident 2 (Enviro400). Based on the further developed version unveiled in 2008, it has a longer rear overhang and could be fitted with Cummins ISLe Euro V engine.
Preservation
In 2014, Stagecoach donated the first London Trident (TA1) to the London Bus Museum, Brooklands while another (TAS524) was donated to the Glasgow Vintage Vehicle Trust.[3]
References
- ↑ Dublin Bus - Latest News, 18 September 2003
- 1 2 3 Buses Magazine December 2008, Issue 645
- ↑ "Stagecoach donates London Tridents to two museums" Buses Magazine issue 715 October 2014 page 65
External links
Media related to Dennis Trident 2 at Wikimedia Commons- Product description Alexander Dennis
- Product description of Enviro400 hybrid BAE Systems
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