View 25 Photos View 0 Videos 2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door Price Drop $23,000 USD Used 2021 GMC G33903 Box Truck for sale, 128,629 miles, 401 HP 6.6L V8 gas engine, 6-speed automatic transmission, 8600 lbs single rear axle, 33-gallon fuel capacity, roll-up door. Check it... ConditionUsedUsage137,872 MilesDuty ClassLight Duty Box TruckHorse Power401 HPEngine ModelGMC 6.6LV8Transmission6 Speed AutomaticSuspensionSpringRear AxleSingle AxleRear End8,600 lb 4.10 ratioDoor TypeRoll upStock Number91620975 MLS Number14431645CategoryDelivery / Moving / Straight / Box Trucks Last Updated9/19/2026 LocationSpringfield, MO, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info