3.5 - 4.5 Inch Class Rock Drill Hc160r Drifter W/ Only 20 Percussion Hours Since Rebuild Cummins Diesel Engine 7348 Engine Hours 2454 Percussion Hours Extendable Boom Digital Angle Indicator Auto Rod Changer Dust Collector Water Injection Cab With Heat & A/c Max Length Of A 14 Ft Starter Steel / Changes 12 Ft From The Rod Changer Unit Is Set Up For T51 Drill Steel Excellent Condition