... on the top of the driver room, Product name: ROOFTOP AUTO AIR-CONDITIONER ASSEMBLYItem No.:jj400This product is fixed on the top of ... driver room,The parts inside of it include evaporator core, condenser,fan, motor, expansion valve, drying bottle, but not include compressor ... (460LX 105WX 120H)expanding valve capacity: 1.4tonweight: 20kg ROOFTOP AUTO AIR-CONDITIONER ASSEMBLY FOR HEAVY-DUTY TRUCK