1993 Tamrock Rock Drill CHA 660

(TWO UNITS)1993 Tamrock PC612 Rod Changer Rock Drill (fully functional)1993 Valmet 170 Track Crawler, 1994 Brother/Sister unit works except rod changer (partly functional 17,851 hours) Both have Cat Diesel power and generate 125KW, Drills 12' lengths of pipe used in limestone quarry for 3.5" holes for blasting. Both units sit on Valmet 170 tracked crawlers. Air and heat work in both. Again, one fully functioning unit that is work ready, 2nd unit partly functional unit will run and drill, rod changer missing parts.