2.5 - 3.5 Inch Class Rock Drill* Cop 1238me Drifter W/ 948 Hours (only 200 On Rebuild)* 9474 Frame Hours (only 800 Hours On Rebuilt Engine)* Engine Was Rebuilt By A Reputable Engine Rebuilder, Not An In-shop Deal. Rig Also Equipped With Aluminum Feed, Rear Support Jack, Dust Collection W/ Pre-cleaner, 150 Cfm Onboard Compressor