The new generation StreetDeck Ultroliner will be powered by Cummins B6.7 litre six-cylinder diesel engine, married with the latest Voith DIWA.8 NXT 7-speed transmission, delivering a bus that will continue Wrightbus’s legacy of ultra-low emission diesel powered buses.  The Cummins B6.7 powered Ultroliner will also be Ultra-Low Emission Bus (ULEB) accredited, like the existing diesel Ultroliner 4-cylinder … Continue reading Pioneering Great British manufacturer Wrightbus launches next generation of cutting-edge diesel buses