VG - Volvo B9TL low-floor accessible chassis with Eclipse Gemini bodywork by Wrightsbus, Ballymena, Co. Antrim. Volvo D9B-260 ( Euro 4) engine, ZF6AP1410B 6-speed automatic transmission with integral retarder. Fully electronic braking system ( EBS) including ABS anti-lock brakes. ECS electronically controlled air suspension. Front and rear disc brakes. Multiplex electrical wiring. Entered service 2008 – 2009.
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WH – Wrightsbus hybrid diesel-electric low-floor accessible double-deck incorporating Siemens hybrid technology, lithium ion high-capacity batteries, Ford 2.4 litre diesel engine, front disc brakes, rear drum brakes. Entered service 2008.
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EV - Volvo B9TL low-floor accessible chassis with Enviro 400 bodywork by Alexander Dennis ( Falkirk). Volvo D9B-260 ( Euro 4) engine, ZF6AP1410B 6-speed automatic transmission with integral retarder. Fully electronic braking system ( EBS) including ABS anti-lock brakes. ECS electronically controlled air suspension. Front and rear disc brakes. Multiplex electrical wiring. Entered service 2007 – 2009.
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AX - Volvo B7LDD ( Mk. II) low-floor accessible chassis with ALX400 bodywork by Alexander Dennis Ltd. ( Falkirk). Volvo D7C-215 engine, ZF6HP502 automatic transmission with integral retarder. Fully electronic braking system ( EBS) including ABS anti-lock brakes. ECS electronically controlled air suspension. Front and rear disc brakes. Multiplex electrical wiring. Entered service 2006.
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VT - Volvo B9TL low-floor accessible tri-axle chassis with Enviro 500 bodywork by Alexander Dennis ( Falkirk). Volvo D9A-300/Volvo D9B-310 ( Euro 4) engine, ZF6HP592/ ZF6AP1410B 6-speed automatic transmission with integral retarder. ABS anti-lock brakes. Front disc brakes and centre/rear axle S-cam brakes/disc brakes. Multiplex electrical wiring. Entered service 2005 – 2006, 2007.
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DT - Transbus Trident 2 low-floor accessible chassis with ALX400 bodywork by Transbus Alexander (Falkirk). Cummins ISC engine, ZF4HP502 automatic transmission with integral retarder. ABS anti-lock brakes. Front and rear disc brakes. Entered service 2003.
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AV - Volvo B7LDD low-floor accessible chassis with ALX400 bodywork by Transbus Alexander ( Belfast & Falkirk). Volvo D7C-215 engine, ZF4HP502 automatic transmission with integral retarder. ABS anti-lock brakes and ECS electronically controlled air suspension. Front disc brakes and rear S-cam brakes. Multiplex electrical wiring. Entered service 2000 - 2005.
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RV - Volvo Olympian chassis with bodywork by Transbus Alexander (Belfast). Volvo D10A-245 engine, Voith D863.3/ZF4HP500 automatic transmission with integral retarder. Entered service 1997-1999.
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