One New Aftermarket Replacement A/C Compressor Fits Caterpillar (Fits CAT) ExcavatorsThis aftermarket replacement A/C compressor (refrigerant compressor group) restores cab climate control to Fits Caterpillar (Fits CAT) compact and mid-size excavators. The compressor is the heart of the air conditioning system, pressurizing and circulating refrigerant through the condenser and evaporator to deliver cooled air to the operator cab. This unit is a Fits Mitsubishi MSC90T-type compressor running on 24V, with a PAD-type head fitting and a single-groove clutch pulley.Specifications Compressor Type: Fits Mitsubishi MSC90T Voltage: 24V Pulley Grooves: 1 Clutch Diameter: 130mm Head Type: PAD Oil Type: PAG 46 Oil Quantity: 8 oz. Refrigerant: R134a Compressor Mount: Direct Compatible ModelsFits Caterpillar Excavators: 307C, 311C, 320CCompatible Engine: Fits Caterpillar 3066, 3064; Fits Mitsubishi 4M40Replaces Part Number(s):1717495, ACA10-0049Aftermarket Interchange Numbers171-7495, CA1717495, AKC200A260, AKC200A252B, AKC200A271A, CM1190JNew aftermarket replacement part - not remanufactured, not used.