Base Unit, 57,100lb Operating Weight, 164hp Yanmar 4TN107FTT Tier 4 Engine, Enclosed ROPS Cab with Heat & A/C, Vertical Front Cab Guard with Work Lights, 18ft5in Standard Mono Boom, 9ft5in Standard Arm, 21ft7in Max. Dig Depth, 29,700lb Bucket Breakout, Open/Close/Rotation with Hand Control Hydraulics, Quick Coupler Piping And Controls, Additional Counterweight, Air Suspension Heated Seat, 31.1in Semi-Triple Grouser Shoes.