Dodge Ram SRT 10 - This is a regular or quad-cab body with the Dodge Viper's V10 engine 8.3L, 22" wheels and Pirelli tires, lowered suspension, bucket seats, body modifications, and a spoiler. The 2004 version was available only in a single cab with a 6-speed manual transmission and a Hurst shifter. For 2005, Dodge released a Quad Cab version of the Viper-V10-powered truck with a modified 48RE four-speed automatic transmission from the Ram with the Cummins turbo diesel engine. In 2004,Brendan Gaughn took the truck to the Guinness World Record for "World's Fastest Production Pickup Truck" with a speed of 154.587 mph (247.3 km/h). The Ram SRT-10 production ended on June 30, 2006.