Guchen Thermo Super Snow transport refrigeration units are diesel engine driven units, it has the independent cooling system not relying on truck engine for refrigerating, so it is also called as "independent transport refrigeration units".

Super Snow transport refrigeration systems are usually used for the big truck bodies with 7.6 m - 9.6 m length or 35~65 m³refrigerated truck bodies. With R404a refrigerant, the temperature range is -20℃ to +30 ℃ for transporting fresh or deep frozen cargoes.