25 0 2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door $23,250 USD Used 2021 GMC G33903 Box Truck for sale, 106,127 miles, 401 HP 6.6L V8 engine, 6-speed automatic transmission, 8,600 lbs single rear axle, 33 gal fuel capacity, roll-up door, light duty.... ConditionUsedUsage106,127 MilesDuty ClassLight Duty Box TruckHorse Power401 HPEngine ModelGMC 6.6LV8Transmission6 Speed AutomaticSleeper Size0"SuspensionSpringRear AxleSingle AxleRear End8,600 lb 4.10 ratioDoor TypeRoll upStock Number91619011 MLS Number13603817CategoryDelivery / Moving / Straight / Box Trucks Last Updated10/27/2025 LocationMonmouth Junction, NJ, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info