2012 CAT 321D CR , Air Conditioner, Arrangement - Material Handler, Auxiliary Hydraulics Pressure, Boom - 2 Piece, Combined Hydraulics, Counterweight Removal System, Coupler - Quick, Coupler Type - Hydraulic, Emissions Level - EPA - Tier 3, Engine Enclosures, Lighting, Mirrors, Online Owner's Manual , Radio - AM FM Radio, Regulatory Marking, Regulatory Status, Stick - Medium, Stick Check Valve, Ultra Low Sulfur Diesel Fuel,