The truck has just under 300,000 miles on a brand new 600 horse motor, it has a block heater, tank heaters, Engine heater, bunk heater, 18-speed transmission 46,000 lb rear ends, full differential lockers, almost all the work was done at Walworks Bismarck they should have the paperwork for it. Any questions send me a text truck works as it should it is ready to go to work