Front Mounted Truck Refrigeration Unit For 16-25m3 Direct-drive Front Mounted Truck Refrigeration Unit HT-400, 16~25m³ Driven directly by the vehicle engine, KINGCLIMA Kingclima HT-400 unit is designed for 16~25m³ refrigerated trucks, to be delivery of the fresh & frozen foods and medicals, fruits, vegetables, ice cube, sea foods, etc.