MD5125

Mining Financial Services
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Overview

Built tough, these drills have reliable components, sturdy frames, robust booms and feeds that contribute to outstanding availability. They are designed to be easy to service with conveniences such as ground level access to all major service points and well-organized electrical and hydraulic arrangements. Available in two models MD5125 C and MD5125 CL.

Specifications

Units:
Hole Diameter 89 mm-152 mm (3.5 in-6.0 in) 89 mm-152 mm (3.5 in-6.0 in) Less
Hole Depth 30 m (98.5 ft) 30 m (98.5 ft) Less
Air Compressor 11.3 m³/min (400 ft3/min) 11.3 m³/min (400 ft3/min) Less

General Data

Hole Depth Maximum 98.5 ft 30.0 m Less
Compressor 11.3 m³/min @ 7 bar (400 ft3/min @ 100 psi) 11.3 m³/min @ 7 bar (400 ft3/min @ 100 psi) Less
Compressor @ 7 bar (100 psi) 11.3 m³/min (400 ft3/min) 11.3 m³/min (400 ft3/min) Less
Engine Cat® C11 Tier 3 242 kW (325 hp) @ 1,800 rpm Cat® C11 Tier 3 242 kW (325 hp) @ 1,800 rpm Less
Hole Diameter Range 89 mm-152 mm (3.5 in-6.0 in) 89 mm-152 mm (3.5 in-6.0 in) Less
Rock Drill HPR5128 37.0 hp 28.0 kW Less

Dimensional Specifications and Weights

Shipping Height 11.5 ft 3.5 m Less
Shipping Length 34.8 ft 10.6 m Less
Shipping Weight MD5125 C 43500.0 lb 19731.0 kg Less
Shipping Weight MD5125 CL 45000.0 lb 20412.0 kg Less
Shipping Width 8.6 ft 2.62 m Less

Undercarriage

Components Hydraulic motor-driven track assemblies Hydraulic motor-driven track assemblies Less
Components Triple rock grousers Triple rock grousers Less
Components Spring applied disc brakes Spring applied disc brakes Less
Gradeability 35.0 Degrees 35.0 Degrees Less
Ground Clearance 11.0 in 280.0 mm Less
Ground Pressure 18.0 psi 1.27 bar Less
Track Gauge 78.0 in 198.0 cm Less
Track Oscillation ±8° ±8° Less
Tram Maximum Speed 2.1 mph 3.44 km/h Less
Wide Triple Grouser Pads 15.0 in 380.0 mm Less

Power Train

Altitude Before Derating 11000.0 ft 3353.0 m Less
Ambient Temperature Capability 125.0 ° F 52.0 ° C Less
Components Cat C11 Tier 3 Diesel, 242 kW (325 hp) @ 1,800 rpm Cat C11 Tier 3 Diesel, 242 kW (325 hp) @ 1,800 rpm Less
Components Six (6) cylinder, electronically controlled, water-cooled, turbocharged and air-to-air after-cooled Six (6) cylinder, electronically controlled, water-cooled, turbocharged and air-to-air after-cooled Less
Components Dual element air filter Dual element air filter Less
Engine Speed Engine speed is automatically controlled by power demand Engine speed is automatically controlled by power demand Less
Fuel Tank – Dual Fill 110.0 gal 416.0 L Less

Cooler Package

Components Coolers for engine, hydraulic and compressor systems and ATAAC Coolers for engine, hydraulic and compressor systems and ATAAC Less
Components Side by side arrangement Side by side arrangement Less
Components Sized for ambient capability of 52° C (125° F) Sized for ambient capability of 52° C (125° F) Less
Fan Assembly 42.0 in 106.0 cm Less

Hydraulic System

Components Full flow cooling Full flow cooling Less
Components Designed to minimize power consumption Designed to minimize power consumption Less
Components Precisely matches pump pressure and flow to load conditions Precisely matches pump pressure and flow to load conditions Less
Components Full flow 10 micron filtration Full flow 10 micron filtration Less
Components The hydraulic system is a four-pump system The hydraulic system is a four-pump system Less
Components Manual fill pump Manual fill pump Less
Pressurized and Sealed Tank 80.0 gal 303.0 L Less

Air Compressor

Components Hydraulic motor driven Hydraulic motor driven Less
Screw-Type Compressor 189 L/sec @ 7 bar (400 ft3/min @ 100 psi) 189 L/sec @ 7 bar (400 ft3/min @ 100 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 Emergency stop (3 locations) Emergency stop (3 locations) Less
Causes Low hydraulic oil level Low hydraulic oil level 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 Hydraulic motor powered, dry dust collecting system Hydraulic motor powered, dry dust collecting system Less
Components Dust collector sized to clean holes up to 152.4 mm (6 in) diameter Dust collector sized to clean holes up to 152.4 mm (6 in) diameter Less
Filter Area 465.0 ft2 42.0 m2 Less

Cab

Components Pressurized swing cab Pressurized swing cab Less
Components Heater/AC pressurizer Heater/AC pressurizer Less
Components AM/FM radio/CD player AM/FM radio/CD player Less
Components CB radio (optional) CB radio (optional) Less
Components Adjustable seat Adjustable seat Less
Components Emergency egress Emergency egress Less

Rock Drill

Blow Rate 2,500-3,100 bpm 2,500-3,100 bpm Less
HPR5128 Hydraulic Powered Percussion Rock Drill – Blow Rate 2,500-3,100 bpm 2,500-3,100 bpm Less
HPR5128 Hydraulic Powered Percussion Rock Drill – Motors Dual hydraulic variable rotation motors producing 2,033 N·m (1,500 lbf-ft) torque Dual hydraulic variable rotation motors producing 2,033 N·m (1,500 lbf-ft) torque Less
HPR5128 Hydraulic Powered Percussion Rock Drill – Output Energy @ 210 rpm 37.0 hp 28.0 kW Less
HPR5128 Hydraulic Powered Percussion Rock Drill – Percussion Pressure Up to 2750.0 psi 192.0 bar Less
HPR5128 Hydraulic Powered Percussion Rock Drill – Rock Drill Auto Lube System Option Option Less
HPR5128 Hydraulic Powered Percussion Rock Drill – Rod Diameter Choices Rod diameter 51, 60, or 68 mm Rod diameter 51, 60, or 68 mm Less
HPR5128 Hydraulic Powered Percussion Rock Drill – Weight 900.0 lb 450.0 kg Less

Safety

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 All proper guards in place All proper guards in place Less
Special Features Feed swipe rope engine shut off Feed swipe rope engine shut off 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 Three points of contact at all steps Three points of contact at all steps Less
Special Features Spring-applied, hydraulically released brakes Spring-applied, hydraulically released brakes Less

Boom System – MD5125 C

Boom Dump Below Horizontal 29.0 Degrees 29.0 Degrees Less
Boom Extension 3.0 ft 9.0 m Less
Boom Length 8.5 ft 2.6 m Less
Boom Lift Above Horizontal 57.0 Degrees 57.0 Degrees Less
Boom Swing 15° L to 21° R 15° L to 21° R Less

Boom System – MD5125 CL

Boom Dump Below Horizontal 7.0 Degrees 7.0 Degrees Less
Boom Length 9.0 ft 2.8 m Less
Boom Lift Above Horizontal 27.0 Degrees 27.0 Degrees Less
Boom Swing 15° L to 21° R 15° L to 21° R Less

Feed System – MD5125 C

Chain Force 4535 kgf (10,000 lbf) 4535 kgf (10,000 lbf) Less
Components Replaceable wear pads Replaceable wear pads Less
Components Set up for 51, 60, or 68 mm drill steel Set up for 51, 60, or 68 mm drill steel Less
Components Will change a 3.66 m (12 ft) drill steel Will change a 3.66 m (12 ft) drill steel Less
Components Manual inclinator Manual inclinator Less
Components Power centralizer Power centralizer Less
Components Model HUFH12 hydraulic motor driven steel channel feed Model HUFH12 hydraulic motor driven steel channel feed Less
Dump 149° from 10° of boom 149° from 10° of boom Less
Feed Channels (2) 7.0 in 17.78 cm Less
Feed Extension 3.0 ft 0.91 m Less
Feed Rate 121.0 ft/min 36.9 m/min Less
Feed Swing 36° L to 37° R 36° L to 37° R Less

Feed System – MD5125 CL

Chain Force 4535 kgf (10,000 lbf) 4535 kgf (10,000 lbf) Less
Components Power centralizer Power centralizer Less
Components Manual inclinator Manual inclinator Less
Components Will change a 6.10 m (20 ft) drill steel Will change a 6.10 m (20 ft) drill steel Less
Components Model HUFH20 hydraulic motor driven steel channel feed Model HUFH20 hydraulic motor driven steel channel feed Less
Components Set up for 51, 60, or 68 mm drill steel Set up for 51, 60, or 68 mm drill steel Less
Dump 132° max 16° min 132° max 16° min Less
Feed Extension 3.0 ft 0.91 m Less
Feed Rate 121.0 ft/min 36.9 m/min Less
Feed Swing 14° L to 37° R 14° L to 37° R Less

Linear Rod Changer System

3.66 m (12 ft) Rod Changer 51 mm – 5 Rod +1 or 60 mm – 4 Rod +1 or 68 mm – 4 Rod +1 51 mm – 5 Rod +1 or 60 mm – 4 Rod +1 or 68 mm – 4 Rod +1 Less
3.66 m (12 ft) Rod Changer Maximum total hole depth with 3.66 m (12 ft) starter steel: 21 m (70.5 ft) Maximum total hole depth with 3.66 m (12 ft) starter steel: 21 m (70.5 ft) Less
6.1 m (20 ft) Rod Changer 51 mm – 4 Rod +1 or 60 mm – 3 Rod +1 or 68 mm – 3 Rod +1 51 mm – 4 Rod +1 or 60 mm – 3 Rod +1 or 68 mm – 3 Rod +1 Less
6.1 m (20 ft) Rod Changer Maximum total hole depth with 6.1 m (20 ft) starter steel: 30 m (98.5 ft) Maximum total hole depth with 6.1 m (20 ft) starter steel: 30 m (98.5 ft) Less

Optional Rock Drills

Type HPR6832 HPR6832 Less
Type HPR6030 HPR6030 Less

Model Comparison

Tailored to Your Application


Pattern Coverage

Far Reaching


Rock Drills

Proven Performers


Rod Changer

Improve Your Productivity


Boom and Feed

Reach Further


Undercarriage

Manage Your Terrain


Power Group

Ready to Work


Cab

Unique, Adaptable Swing Style


Dust Collection

Keep It Clean


Serviceability

Neat and Easy


Safety

Taking Care


Sustainability

For Generations


MD5125 Standard Equipment

TRACK UNDERCARRIAGE
  • Hydraulic, motor-driven, track assemblies with 380 mm (15 in) grousers, hydraulic cylinder controlled track oscillation, hydraulic released, spring applied, disc brakes and triple rock grousers

POWER
  • Cat C11 Tier 3, six (6) cylinder, electronically controlled, water-cooled, turbocharged and air-to-air after-cooled diesel engine rated at 242 kW (325 hp) at 1,800 rpm
  • The engine speed is automatically controlled by power demand

HYDRAULIC SYSTEM
  • Four (4) dedicated hydraulic pumps, two (2) fixed displacement traction two-speed drive motors and one (1) variable displacement compressor drive motor

COMPRESSOR
  • Hydraulic motor-driven 189 L/sec @ 7 bar (400 ft3/min @ 100 psi) screw-type compressor

COOLER
  • Coolers for engine, hydraulic, compressor systems
  • 52° C (125° F) ambient temperature
  • ATAAC side by side arrangement

BOOM SYSTEM – MD5125 C
  • 2.6 m (8.5 ft) telescopic boom system with 0.9 m (3 ft) extension
  • 0.91 m (3 ft) feed extension complete with a drill positioner and an offset feed table

BOOM SYSTEM – MD5125 CL
  • 2.75 m (9 ft) Fixed Swing Boom System

FEED SYSTEM – MD5125 C
  • Model HUFH12 hydraulic motor-driven, steel channel chain feed complete with the power centralizer, manual inclinator and hose reel
  • The HUFH12 feed will change a 3.66 m (12 ft) drill steel inside the centralizer

FEED SYSTEM – MD5125 CL
  • Model HUFH20 hydraulic motor-driven steel channel chain feed complete with the power centralizer, manual inclinator and hose reel
  • The HUFH20 feed will change a 6.10 m (20 ft) drill steel inside the centralizer

ROCK DRILL
  • Model HPR5128 hydraulic powered percussion drill with hydraulic motor powered variable speed rotation

CAB
  • Pressurized swing cab complete with heater, air conditioner, wipers, two (2) drilling lights and all necessary drilling controls
  • Electronic two-axis angle indicator
  • AM/FM stereo with CD player and seat belt

ROD CHANGER – MD5125 C
  • Linear rod changer for five (5) 3.66 m (12 ft), 51 mm round, 51 series rods for up to 21.9 m (72 ft) drill steel capacity

ROD CHANGER – MD5125 CL
  • Linear rod changer for four (4) 6.10 m (20 ft), 51 mm round, 51 series rods for up to a 30.48 m (100 ft) drill steel capacity

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

CONTROLS
  • The drill, feed, blowing air, tram and boom controls are mounted in the cab
  • A second set of tram and boom controls are mounted at the operator stand

OTHER STANDARD FEATURES
  • Power coupling greaser
  • Complete sheet metal enclosure
  • Collaring circuit

MD5125 Optional Equipment

• HPR6030 Rock Drill and rod rack for 60 mm drill steel

• HPR6832 Rock Drill and four (4) pot linear rod rack for 68 mm drill steel

• Rear-mounted 303 L (80 gal) detergent system

• Automatic Rock Drill greaser

• FOPS structure on cab

• Rod changer conversion kit 51 mm (5 rod) to 60 mm (4 rod)

• Rod changer conversion kit 60 mm (4 rod) to 51 mm (5 rod)

• Rear hydraulic stabilizer

• Less dust collector and precleaner

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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