Cat® MD5050 Track Drill Specifications General Data Hole diameter Hole depth Compressor HPR4519 rock drill Rock Drill HPR4519 Output power Weight Percussion pressure Blow rate Rotation speed Rotation torque Drill steel Optional rock drill HPR5123 Optional drill steel 102 mm (4.0 in) 31 m (102.5 ft) 7 m3/min (250 cfm) 19 kW (25 hp) 19 kW (25 hp) 300 kg (660 lb) Up to 200 bar (2,900 psi) 2,500-2,700 bpm 240 rpm 908 Nm (670 ft-lb) 38 mm & 45 mm 23 kW (31 hp) 51 mm Feed System Feed extension .91 m (3 ft) Feed channel and chain pulldown UFH16 feed capable of using a 6.1 m (20 ft) starter steel Adjustable wear pads Drill steel thread lubrication Feed swing 36˚ left 37˚ right Feed dump 139˚ (from 0˚ off boom) Boom Specifications Boom up Boom down Boom length Non-cab boom swing angle Cab boom swing angle Non-cab boom extension Cab boom extension 36˚ 29˚ 2.9 m (9.5 ft) 24˚ left 19˚ right 14˚ left 19˚ right 1.2 m (4 ft) .61 m (2 ft) Rod Changers Carousel (standard) Qty. x length 6 rods x 3.66 m (12 ft) or 6 rods x 4.27 m (14 ft), 45 mm or 51 mm steel SmartDrill Drilling System Operator-selected smooth dependent proportional control system for all drilling functions Minimizes overfeeding Anti-plug Anti-plunge Anti-jam

Track Drills—MD5050 Shipping Dimensions Length Width Height Weight 10.7 m (35 ft) 2.6 m (8.5 ft) 3.2 m (10.5 ft) with cab 12 700 kg (28,000 lb) without cab 11 800 kg (26,000 lb) Air Compressor Rotary screw-type compressor 118 I/sec (250 cfm) maximum 10 bar (150 psi) maximum Dual-element air filters with indicators Auxiliary air hook-up Power Unit MD5050C - Tier III Isuzu 4HK 4-cylinder inline turbocharged, water-cooled, direct injection, 150 kW (203 bhp) at 2,100 rpm * D5050 non-cab equipped with Tier II Isuzu engine, M 130 kW (174 hp) at 2,350 rpm 28,000 series gearbox Complete enclosure with...

Track Drills—MD5050 Dust-Collection System DD950 dust collector Precleaner and pickup pot Hinge-mounted 3 filter elements Filter area Reverse pulsing for cleaning Controls 30.66 m2 (330 ft2) Operator’s Cab ROPS - ISO3471 - 1 FOPS - ISO3449 78 dB(A) noise level inside cab 3.07 m2 (33 ft2) total glass Model 320 heater/air conditioner Cooling – 21,000 btu Heating – 28,000 btu Comfortable adjustable seat Washer and wipers for window 2-axis electronic inclinator Undercarriage Excavator track pad and chain OEM original sideframe design Final drive motors 2-speed Double grousers 300 mm (11.8 in) wide...

Track Drills—MD5050 For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at mining.cat.com and www.cat.com © 2011 Caterpillar Inc. All rights reserved CAT, CATERPILLAR, their respective logos, “Caterpillar Yellow” and the “Power Edge” trade dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission. AEHQ6529