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Specifications
®
Cat
MD5075
Track Drill
General Data
Hole diameter 127 mm (5.0 in)
Hole depth
Compressor 9.9 m3/min (350 cfm)
HPR4519 rock drill 19 kW (25 hp)
Rock Drill HPR4519
Output power 19 kW (25 hp)
Weight 300 kg (660 lb)
Percussion pressure Up to 200 bar (2,900 psi)
Blow rate 2,500-2,700 bpm
Rotation speed 240 rpm
Rotation torque 908 Nm (670 ft-lb)
Drill steel 38 mm & 45 mm
Optional rock drill HPR5123 23 kW (31 hp)
Optional drill steel 51 mm
31 m (102.5 ft)
Feed System
Model UFH14 heavy-duty chain feed with rod changer for 3.66 m (12 ft) steel
change with 5 pot for 45 mm or 51 mm
31.7 mm (1.25 in) pitch roller chain
Resists torsional and thrust loading
High-speed feed up/down maximum 180 ft/minute
Drill mounting slide
Replaceable wear pads
Feed table for inline, offset and 45˚ angle
Scissors-type centralizer
Optional feeds include UFH16 for single pass capable of
holding 6.1 m (20 ft) starter steel for 5.64 m (18.5 ft) hole and/
or rod changer for 3.66 m (12 ft) or 4.27 m (14 ft) steel change
with 5 pot for 45 mm or 51 mm
Hose reel for hose maintenance mounted so full view of change
is accessible
Boom System - Telescopic
Boom up 36˚
Boom down 29˚
Boom length 3.81 m (12.5 ft)
Boom swing angle 40˚ left, 21˚ right
Boom extension 1.5 m (5 ft)
Feed swing 36˚ left, 37˚ right
Feed dump 139˚ (from 0˚ off boom)
Boom Optional Knuckle
Total reach 5.87 m (19.25 ft)
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Track Drill—MD5075
Shipping Dimensions
Length 12.3 m (40.4 ft)
Width
Height 3.4 m (11.3 ft)
Weight with cab 20 454 kg (45,000 lb)
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
2.7 m (8.7 ft)
SmartDrill Drilling System
Operator-selected, smooth, electrical control system for all
drilling functions
Monitors main hydraulic system (hammer, feed, air and rotation
pressure) and automatically adjusts to pre-programmed
parameters
Minimizes overfeeding
Anti-plug
Anti-plunge
Anti-jam
Power Unit
Tier III Cat® C9, electronically controlled, 6-cylinder inline turbocharged,
air-to-air after-cooled 224 kW (300 bhp) at 1,800 rpm in three-position throttle for
fuel consumption
Pumps are direct-driven by the engine through a steel
ex coupling
Dual-element air lters with indicators
Engine oil sump 45˚
Fuel tank 492 l (130 gal)
Fuel capacity Over 12 hours
Air Compressor
Rotary screw-type compressor
163 l/sec (350 cfm) maximum
10 bar (150 psi) maximum
Dual-element air lters with indicators
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Track Drill—MD5075
Hydraulic System
Pressure-compensated load-sensed piston pump
Full-ow 3 micron, in-tank ltration
Sealed hydraulic tank 405 l (107 gal)
Full-ow cooling
Electric ll pump
Cooling Package
AKG coolers for engine, hydraulic and compressor sized for
ambient capability of 52˚ C (125˚ F)
Fan assembly 1 067 mm (42 in)
Side-by-side arrangement mounted vertically
Dust-Collection System
Model HDE900 mounted within the prole of the machine
Capable of cleaning a 12.7 m (5 in) diameter hole
Precleaner with diverter shield
12.7 cm (5 in) suction hose
Feed-mounted precleaner and pickup pot
Filter area 28 m2 (304 ft2)
Reverse pulsing for cleaning
Operator’s Cab
Larger version of the MD5050 cab with controls located in the exact same
position; room for trainer to stand behind operator seat; ROPS/FOPS
Less than 80 dB(A)
Minimum 3.07 m2 (33 ft2) total glass
Heater/air conditioner
Cooling – 21 000 btu
Heating – 28 000 btu
Comfortable adjustable seat
Washer and wipers for windows
2-axis electronic indicator
AM/FM stereo/CD
Toolbox area
Undercarriage
Intertractor excavator track pad and chain
Design side frames
Final drive assemblies
381 mm (15 in) wide triple grouser brake pads
Hydraulically released spring-applied brakes
Independent track oscillation
Ground pressure .82 bar (12 psi)
Speed maximum 4 kph (2.5 mph)
Machine oscillation ±10°
Ground clearance 380 mm (15 in)
Track gauge 2.04 m (6.7 ft)
Gradeability 35˚
Controls
Armchair joystick
Pressure-compensated
Drill hammer
Remote control box with 6.1 m (20 ft) tether cord (optional)
Drill feed
Tramming
Boom and feed positioning
Electronic display
Engine hour meter
Drill hour meter
Voltmeter
Engine oil pressure
Engine water temperature
Engine fuel
Compressor discharge
Temperature feed pressure
Hammer pressure
Rotation pressure
Main hydraulic system pressure
Air pressure
Hydraulic oil level
Hydraulic oil temperature (sight glass)
Shutdown Features
Low engine oil pressure
High compressor discharge temperature
High engine water temperature
Feed-mounted emergency stop cable
Emergency stop in the cab
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Track Drill—MD5075
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.
AEHQ6531
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