View 26 Photos View 0 Videos 2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door $27,250 USD Used 2021 GMC G33903 box truck for sale, 83,978 miles, 401 HP 6.6L V8 gasoline engine, 6-speed automatic transmission, single rear axle 8,600 lbs, 126" height, roll-up door. Check it out. ConditionUsedUsage85,682 MilesDuty ClassLight Duty Box TruckHorse Power401 HPEngine ModelGMC 6.6LV8Transmission6 Speed AutomaticSuspensionSpringRear AxleSingle AxleRear End8,600 lb 4.10 ratioDoor TypeRoll upStock Number91619821 MLS Number12682310CategoryDelivery / Moving / Straight / Box Trucks Last Updated6/4/2026 LocationSan Marcos, CA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info