||CAT Engine, High Pressure 900HR2 Air Compressor, 35ft Mast. Caterpillar engine ASM, C15, 525 hp; Equipped with 900 cfm x 350 psi air compressor; Cat 330s undercarriage; Cab with air and heat; Has 35ft tower mast assy; High speed rotary head 2 motors; Rod catcher assy; Spindle, sub 5" pipe, 29' steel rod and 6" hammer. Ii have a full list table of content showing how the drill was built by the factory. Please contact us and I will send to you that list. Drill has been sand blasted and painted with new decals. CAT Engine, High Pressure 900HR2 Air Compressor, 35ft Mast.