K-260 Truck refrigeration units are driven by fuel truck engine and used for 5-11 cubic meters of small truck body cargo box. It is filled with R404a refrigerant with Big Cooling Capacity:1150W(-20℃), 2100W(0℃). Transporting frozen ice cream , meat , or chiller seafood products and so on. We also add the electric standby system to ensure the cooling unit continue to work through plug the AC220V power supply when your truck stops .