MD5050

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Overview

Efficient production is yours with the Cat MD5050 Track Drill. Fast cycle times and a low operating cost are achieved through our proven designs such as enhanced maneuverability, pattern coverage, fast set-ups and reliable rock drill. Equipment life cycle is long thanks to our durable Cat components and maintenance friendly designs.

Specifications

Units:
Hole Diameter 63.5 mm-102 mm (2.5 in-4.0 in) 63.5 mm-102 mm (2.5 in-4.0 in) Less
Hole Depth 31 m (102.5 ft) - Maximum Depth 31 m (102.5 ft) - Maximum Depth Less
Air Compressor 7 m3/min @ 10.2 bar (250 ft3/min @ 150 psi) 7 m3/min @ 10.2 bar (250 ft3/min @ 150 psi) Less

General Data

Hole Depth Maximum 102.5 ft 31.0 m Less
Compressor 7 m3/min @ 10.2 bar (250 ft3/min @ 150 psi) 7 m3/min @ 10.2 bar (250 ft3/min @ 150 psi) Less
Engine Tier 3, 4 cylinder inline turbocharged, water-cooled, direct injection, 150 kW (203 hp) at 2,100 rpm Tier 3, 4 cylinder inline turbocharged, water-cooled, direct injection, 150 kW (203 hp) at 2,100 rpm Less
Hole Diameter Range 63.5 mm-102 mm (2.5 in-4.0 in) 63.5 mm-102 mm (2.5 in-4.0 in) Less
Rock Drill HPR4519 25.0 hp 19.0 kW Less

Dimensional Specifications and Weights

Shipping Height 10.5 ft 3.2 m Less
Shipping Length 35.0 ft 10.7 m Less
Shipping Width 8.5 ft 2.6 m Less

Undercarriage

Components Hydraulic motor-driven track assemblies with towing disconnects Hydraulic motor-driven track assemblies with towing disconnects Less
Components Spring applied disc brakes Spring applied disc brakes Less
Components Triple rock grousers Triple rock grousers Less
Components B-3 Excavator B-3 Excavator Less
Gradeability 35.0 Degrees 35.0 Degrees Less
Ground Clearance 15.0 in 380.0 mm Less
Ground Pressure 12.0 psi 0.82 bar Less
Track Gauge 78.0 in 198.0 cm Less
Track Oscillation ±10 deg ±10 deg Less
Tram Maximum Speed 2.6 mph 4.0 km/h Less
Wide Triple Grouser Pads 11.8 in 300.0 mm Less

Power Train

Altitude Before Derating 7500.0 ft 2286.0 m Less
Ambient Temperature Capability 125.0 ° F 52.0 ° C Less
Components 28,000 Series gearbox 28,000 Series gearbox Less
Components Dual element air filter Dual element air filter Less
Fuel Tank – Dual Fill 80.0 gal 303.0 L Less
Tier 3, 4 cylinder inline turbocharged, water-cooled, direct injection 150 kW at 2,100 rpm (203 hp at 2,100 rpm) 150 kW at 2,100 rpm (203 hp at 2,100 rpm) Less

Cooler Package

Components AKG four vertical sections; compressor, engine, hydraulic and air after cooler AKG four vertical sections; compressor, engine, hydraulic and air after cooler Less
Components Fan drive with temperature compensated speed control Fan drive with temperature compensated speed control Less
Components Sized for ambient capability of 52° C (125° F) Sized for ambient capability of 52° C (125° F) Less
Cooler Package 7 m3/min (250 ft3/min) 7 m3/min (250 ft3/min) Less
Fan Assembly 30.0 in 76.0 cm Less

Hydraulic System

Components Full flow 5 micron filtration Full flow 5 micron filtration Less
Components Hydraulic test ports Hydraulic test ports Less
Components Smart Drill drilling control system Smart Drill drilling control system Less
Components Pressure compensated axial piston pumps running at 2,340 rpm Pressure compensated axial piston pumps running at 2,340 rpm Less
Components Pressure compensated, load sensing piston pump Pressure compensated, load sensing piston pump Less
Components Convenient pressure gauges and test taps installed Convenient pressure gauges and test taps installed Less
Components Full flow cooling Full flow cooling Less
Fill Pump 100.0 gal 379.0 L Less

Air Compressor

Components Dual filter elements Dual filter elements Less
Components Direct driven by poly chain (belt) from gearbox Direct driven by poly chain (belt) from gearbox Less
Components Intake check valve and receiver-separator combination tank Intake check valve and receiver-separator combination tank Less
Screw-Type Compressor – Adjustable 118 L/sec @ 10.2 bar (250 ft3/min @ 150 psi) 118 L/sec @ 10.2 bar (250 ft3/min @ 150 psi) Less

Shutdown Features

Causes High compressor discharge temperature High compressor discharge temperature Less
Causes High engine-water temperature High engine-water temperature Less
Causes Low engine-oil pressure Low engine-oil pressure Less
Causes Hydraulic test ports for troubleshooting Hydraulic test ports for troubleshooting Less
Causes Feed-mounted emergency stop cable Feed-mounted emergency stop cable Less

Dust Collecting System

Abrasive Resistant Suction Hose 6.0 in 152.4 mm Less
Components Pneumatic filter purge system Pneumatic filter purge system Less
Components Reverse pulse filter cleaning system Reverse pulse filter cleaning system Less
Components Feed-mounted dual axis precleaner Feed-mounted dual axis precleaner Less
Components Hydraulically operated and positional dust pickup pot Hydraulically operated and positional dust pickup pot Less
Components Hydraulic motor powered, dry dust collecting system Hydraulic motor powered, dry dust collecting system Less
Components Dust collector sized to clean holes up to 101.6 mm (4 in) in diameter Dust collector sized to clean holes up to 101.6 mm (4 in) in diameter Less
Components Bottom change filter elements quantity Bottom change filter elements quantity Less
Filter Area 330.0 ft2 30.6 m2 Less

Cab

Components CB Radio (optional) CB Radio (optional) Less
Components ROPS/FOPS certified ROPS/FOPS certified Less
Components Emergency egress Emergency egress Less
Components Digital engine and drill readout system Digital engine and drill readout system Less
Components Joysticks in both arm rests Joysticks in both arm rests Less
Components Tinted sliding windows Tinted sliding windows Less
Components Reversing camera Reversing camera Less
Components Heater/AC pressurizer and coils mounted in cab Heater/AC pressurizer and coils mounted in cab Less
Components Front washer and wiper Front washer and wiper Less
Components AM/FM radio AM/FM radio Less
Components Auxiliary input Auxiliary input Less
Components 12V plug 12V plug Less
Components Six way adjustable seat; forward/back, up/down and reclining Six way adjustable seat; forward/back, up/down and reclining Less
Noise Rating less than 80 dB(A) less than 80 dB(A) Less
Total Glass 33.0 ft2 3.07 m2 Less

Smart Drill Drilling System

Monitoring System Monitors main hydraulic system (hammer, feed, air and rotation pressure) and automatically adjusts to pre-programmed parameters Monitors main hydraulic system (hammer, feed, air and rotation pressure) and automatically adjusts to pre-programmed parameters Less
Monitoring System Minimizes overfeeding Minimizes overfeeding Less
Monitoring System Anti-plug Anti-plug Less
Monitoring System Anti-plunge Anti-plunge Less
Monitoring System Anti-jam Anti-jam Less
Monitoring System Operator-selected, smooth, electrical control system for all drilling functions Operator-selected, smooth, electrical control system for all drilling functions Less

Boom System

Boom Dump Below Horizontal 29.0 Degrees 29.0 Degrees Less
Boom Extension (inner boom extension) 2.0 ft 0.6 m Less
Boom Length 10.0 ft 3.04 m Less
Boom Lift Above Horizontal 36.0 Degrees 36.0 Degrees Less
Boom Swing 14° L to 19° R 14° L to 19° R Less

Feed System

Chain Force 7379.0 lb 3347.0 kg Less
Components Model UFH16 hydraulic motor driven steel channel feed Model UFH16 hydraulic motor driven steel channel feed Less
Components Power centralizer Power centralizer Less
Components Manual inclinator Manual inclinator Less
Components Will accept 6.1 m (20 ft) starter steel Will accept 6.1 m (20 ft) starter steel Less
Components Set up for 45 mm drill steel Set up for 45 mm drill steel Less
Components Drill steel thread lubrication Drill steel thread lubrication Less
Components Replaceable wear pads with adjusters Replaceable wear pads with adjusters Less
Dump 139° from 0° of boom 139° from 0° of boom Less
Feed Channel 7.0 in 177.8 mm Less
Feed Extension 3.0 ft 0.91 m Less
Feed Rate 91.0 ft/min 27.7 m/min Less
Feed Swing 36° L to 37° R 36° L to 37° R Less

Carousel Rod Changer System

3.66 m (12 ft) Rod Changer 45 mm – 6 Rod +1 or 51 mm – 6 Rod +1 45 mm – 6 Rod +1 or 51 mm – 6 Rod +1 Less
3.66 m (12 ft) Rod Changer Total hole depth 27.4 m (90 ft) with 6.1 m (20 ft) starter steel Total hole depth 27.4 m (90 ft) with 6.1 m (20 ft) starter steel Less
4.27 m (14 ft) Rod Changer 45 mm – 6 Rod +1 or 51 mm – 6 Rod +1 45 mm – 6 Rod +1 or 51 mm – 6 Rod +1 Less
4.27 m (14 ft) Rod Changer Total hole depth 31 m (102 ft) with 6.1 m (20 ft) starter steel Total hole depth 31 m (102 ft) with 6.1 m (20 ft) starter steel Less

Rock Drill

HPR4519 Hydraulic Powered Percussion Rock Drill – Blow Rate 2500-2700 bpm 2500-2700 bpm Less
HPR4519 Hydraulic Powered Percussion Rock Drill – Motors Dual hydraulic variable rotation motors producing 908 N∙m (670 lbf-ft) torque Dual hydraulic variable rotation motors producing 908 N∙m (670 lbf-ft) torque Less
HPR4519 Hydraulic Powered Percussion Rock Drill – Output Energy @ 240 rpm 25.0 hp 19.0 kW Less
HPR4519 Hydraulic Powered Percussion Rock Drill – Percussion Pressure Up to 200 bar (Up to 2,900 psi) Up to 200 bar (Up to 2,900 psi) Less
HPR4519 Hydraulic Powered Percussion Rock Drill – Rock Drill Auto Lube System Optional Optional Less
HPR4519 Hydraulic Powered Percussion Rock Drill – Rod Diameter 45 mm 45 mm Less
HPR4519 Hydraulic Powered Percussion Rock Drill – Weight 660.0 lb 299.0 kg Less
Optional HPR5123 Rock Drill – Blow Rate 2500-2700 bpm 2500-2700 bpm Less
Optional HPR5123 Rock Drill – Motors Dual hydraulic variable rotation motors producing 1356 N∙m (1,000 lbf-ft) Dual hydraulic variable rotation motors producing 1356 N∙m (1,000 lbf-ft) Less
Optional HPR5123 Rock Drill – Output Energy @ 160 rpm 31.0 hp 23.0 kW Less
Optional HPR5123 Rock Drill – Percussion Pressure Up to 200 bar (Up to 2,900 psi) Up to 200 bar (Up to 2,900 psi) Less
Optional HPR5123 Rock Drill – Rod Diameter Choices 45 or 51 mm 45 or 51 mm Less
Optional HPR5123 Rock Drill – Weight 877.0 lb 397.0 kg Less

Safety

Special Features Three points of contact at all steps Three points of contact at all steps Less
Special Features Standard cabs have front window push-out for emergency egress Standard cabs have front window push-out for emergency egress Less
Special Features Emergency stop in the cab and on the feed Emergency stop in the cab and on the feed Less
Special Features Shutoff pedal in the cab Shutoff pedal in the cab Less
Special Features Feed swipe rope engine shut off Feed swipe rope engine shut off Less
Special Features Spring-applied, hydraulically released brakes Spring-applied, hydraulically released brakes Less
Special Features Ground-level access to service points and well organized electrical and hydraulic designs Ground-level access to service points and well organized electrical and hydraulic designs Less
Special Features Heavy duty steps and handles are strategically placed and non-slip Heavy duty steps and handles are strategically placed and non-slip Less
Special Features All proper guards in place All proper guards in place Less

Weights

Shipping Weight (base machine) 28000.0 lb 12700.0 kg Less

Model Comparison

What’s Different


Undercarriage

Your Foundation for Success


Pattern Coverage

Gaining Ground


Carousel Rod Changer

Faster is Better


Boom and Feed

Extend Your Reach


Power Group

Performance Driven


Rock Drills

Robust and Economical


Cab

Fully Equipped


Dust Collection

Contain It – Quickly and Quietly


Safety

Designed with Protection


Serviceability

Keep Running


Sustainability

Forward Thinking


MD5050 Standard Equipment

TRACK UNDERCARRIAGE
  • Hydraulic, motor driven, track assemblies with 300 mm (11.81 in) grousers, hydraulic cylinder controlled oscillation, hydraulic released, spring applied, disc brakes, double rock grouser.

POWER
  • Tier 3, 4 cylinder water-cooled, turbocharged, direct injection diesel engine rated at 150 kW (203 hp) @ 2,100 rpm.
  • 303 L (80 gal) fuel tank.

HYDRAULIC SYSTEM
  • Pressure compensated, load sensing piston pump.
  • Hydraulic test ports.
  • Smart Drill drilling control system.

COMPRESSOR
  • Direct driven by a poly chain (belt) from gearbox.
  • Screw type compressor 118 L/sec @ 10.2 bar (250 ft3/min @ 150 psi); adjustable with intake check valve and receiver-separator combination tank.

COOLER
  • ATAAC side by side arrangement
  • 52° C (125° F) ambient temperature
  • 76 cm (30 in) large fan assembly

BOOM SYSTEM
  • 3.04 m (10 ft) sturdy telescopic boom with 0.61 m (2 ft) extension.
  • 0.91 m (3 ft) feed extension; complete with drill positioner and universal feed table.

FEED SYSTEM
  • Model UFH16 hydraulic motor driven steel channel feed.
  • Includes power centralizer and manual inclinator.
  • Will accept 6.1 m (20 ft) starter steel.

ROCK DRILL
  • Model HPR4519 hydraulic powered percussion drill with an energy/frequency combination that covers a wide range of applications.
  • Hydraulic motor powered variable speed rotation.

CAB
  • Certified ROPS/FOPS pressurized, fixed cab complete with heater, air-conditioner, wipers, drilling lights, two axis angle indicator, and all necessary drilling controls.
  • Smart Drill drilling system is an integral part of the hydraulics.
  • AM/FM stereo, CD player and seat belt.

ROD CHANGER
  • Unique carousel rod changer designed for 4.26 m (14 ft) drill steel.
  • Carousel will hold six rods.
  • With one rod in the feed the total drill string length is 31.7 m (104 ft).
  • 45 mm drill steel is standard.

DUST COLLECTING SYSTEM
  • Multiple element, hydraulic motor powered, dry dust collecting system; complete with feed mounted precleaner and power pick up pot.

OTHER STANDARD FEATURES
  • Power coupling greaser, drill lights, complete lockable enclosure, magnetic work light, lifting eyes, and tool box.

MD5050 Optional Equipment

• HPR5123 Rock Drill in lieu of HPR4519

• Rod changer conversion kit

• CE kit

• Single bar grousers

• Toe hole capabilities

• Auto lube for rock drill

• Arctic oil

• Cold weather package

• Remote tram

• Rear-mounted water injection system utilizing a 113 L (30 gal) pressure tank

• Additional 113 L (30 gal) water tank

• Carousel rod changer designed for 3.66 m (12 ft) drill steel. Carousel will hold six rods.

• Special paint

A Commitment to the Mining Industry

As the demand for commodities grows, mining companies need a partner to support them in their efforts. Caterpillar is committed to being that partner.

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Mining Financial Services

Cat Financial is the single best resource for all your international mining finance needs, with capabilities to offer everything from leasing and general financing to project and structured financing.

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