View 25 Photos View 0 Videos 2021 GMC G33903 Box Truck - 401HP, 6 Speed Automatic, Roll up Door $35,250 USD Used 2021 GMC G33903 Box Truck for sale, 69,389 miles, 401 HP 6.6L V8 GMC engine, 6 Speed Automatic transmission, 126" height, 177" wheelbase, 8,600 lb single rear axle. Check it out! ConditionUsedUsage69,389 MilesDuty ClassLight Duty Box TruckHorse Power401 HPEngine ModelGMC 6.6LV8Transmission6 Speed AutomaticSuspensionSpringRear AxleSingle AxleRear End8,600 lb 4.10 ratioDoor TypeRoll upStock Number91620637 MLS Number14094295CategoryDelivery / Moving / Straight / Box Trucks Last Updated2/11/2026 LocationHammond, LA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info