The Nissan Diesel Quon is a line of heavy-duty commercial vehicle produced by the Japanese manufacturer UD Trucks (previously known as Nissan Diesel) since 2007 and the other countries since 2008. The Quon as a replacement for the Big Thumb for ceased production in 1 year, and It is also available in the other big-size trucks. it is based on the Mitsubishi Fuso Super Great using the platform. The Most big-size models of the truck where distinguishable by a front the 'Quon' badge, but the common Nissan Diesel or UD Trucks badge is usually used on the rear.