View 26 Photos View 0 Videos 2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door $37,250 USD Used 2021 GMC G33903 Box Truck with 401 HP 6.6LV8 GMC engine, 6-speed automatic transmission, single rear axle, 8600 lbs capacity, 177" wheelbase, 33-gal fuel tank, and roll-up door. Check... ConditionUsedUsage65,799 MilesDuty ClassLight Duty Box TruckHorse Power401 HPEngine ModelGMC 6.6LV8Transmission6 Speed AutomaticSuspensionSpringRear AxleSingle AxleRear End8,600 lb 4.10 ratioDoor TypeRoll upStock Number91620308 MLS Number14130867CategoryDelivery / Moving / Straight / Box Trucks Last Updated3/14/2026 LocationMissoula, MT, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info