Cat® MD5125 Track Drills Specifications General Data Hole diameter Hole depth Compressor HPR5128 rock drill 152 mm (6.0 in) 30 m (98.5 ft) 11.3 m3/min (400 cfm) 28 kW (37 hp) Rock Drill HPR5128 Output power Weight Percussion pressure, maximum Blow rate Rotation speed Rotation torque Drill steel 28 kW (37 hp) 408 kg (900 lb) 214 bar (3,100 psi) 2,500 – 3,100 bpm 210 rpm 2 033 Nm (1,500 ft-lb) 51 mm (2 in) Rock Drills Optional HPR6030 HPR6832 Optional drill steel 30 kW (40 hp) 32 kW (43 hp) 60 mm (2.4 in) or 68 mm (2.68 in) Model HUFH-12 Chain Feed (MD5125C) High-strength steel channels which are gusseted and reinforced 17.78 cm (2 -7 in) Resists torsional and thrust loading Replaceable wear pads Pitch roller chain and sprockets 38.1 mm (1.5 in) Planetary gearbox feed system Hose reel Hydraulic-powered centralizer Hydraulic-powered dust collector pickup pot Compressed-air-powered coupling greaser Manual pendulum inclinator Feed swing angle 36° left, 37° right Feed extension length .9 m (3 ft) Feed Dump 149° from 10° off boom Model HUFH-20 Chain Feed (MD5125CL) High strength steel channels which are gusseted and reinforced 17.78 cm (2 - 7 in) Resists torsional and thrust loading Replaceable wear pads Pitch roller chain and sprockets 38.1 mm (1.5 in) Planetary gearbox feed system Hose reel Hydraulic-powered centralizer Hydraulic-powered dust collector pickup pot Compressed-air-powered coupling greaser Manual pendulum inclinator Feed swing angle 14° left, 37° right Feed extension length .9 m (3 ft) Feed Dump 132° max, 16° min

Track Drills—MD5125 Shipping Dimensions Length Width Height Weight MD5125C MD5125CL 10 m (32.7 ft) 2.62 m (8.8 ft) 3.38 m (11.5 ft) 19 731 kg (43,500 lb) 20 412 kg (45,000 lb) Boom Capabilities Model C - Telescopic Boom length Boom extension length Boom swing angle Boom lift angle above horizontal Boom angle below horizontal 2.6 m (8.5 ft) .9 m (3 ft) 15° left 21° right 57° 29° Model CL - Fixed Boom Boom length 2.8 m (9 ft) Boom swing angle 15° left 21° right Boom lift angle above horizontal 27° Boom angle below horizontal 7°

Track Drills—MD5125 Rod Changer for MD5125C Linear Number of rods x length 5 rods x 3.66 m (12 ft) + one in feed, 51 mm 4 rods x 3.66 m (12 ft) + one in feed, 60 mm or 68 mm Rod Changer for MD5125CL Linear Number of rods x length 4 rods x 6.1 m (20 ft) + one in feed, 51 mm 3 rods x 6.1 m (20 ft) + one in feed, 60 mm or 68 mm 30.48 m (100 ft) total steel length capability Conveniently located controls Power Unit Cat® C11, 6-cylinder inline, electronically controlled Tier III Ambient temperature capability – 52° C (125° F) Turbocharged, water-cooled, direct-injection aftercooled 242 kW (325 hp)...

Track Drills—MD5125 Controls Pressure-Compensated Flow and Directional Control Valves for: • Drill hammer • Drill rotation • Drill feed • Feed pressure adjustment • Tramming Automatic engine throttle control based on power demand Remote air output flow control Conveniently grouped Ergonomic layout Completely sealed electric gauges and switch panel Electronics Display Tachometer Hourmeter Amp meter Oil pressure Water temperature Drill rotation Feed pressure Air compressor circuit/left-hand tram Engine oil pressure Main hydraulic supply/right-hand tram Engine tachometer and hourmeter Air pressure...