MD5050 T Track Drill
At a Glance
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Overview
Efficient production is yours with the Cat MD5050 T 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
+ -Hole Diameter | 63.5 mm-102 mm (2.5 in-4.0 in) |
Hole Depth | 31 m (102.5 ft) - Maximum Depth |
Air Compressor | 7 m3/min @ 10.2 bar (250 ft3/min @ 150 psi) |
General Data
+ -Hole Depth Maximum | 102.5ft |
Compressor | 7 m3/min @ 10.2 bar (250 ft3/min @ 150 psi) |
Engine | Tier 3, 4 cylinder inline turbocharged, water-cooled, direct injection, 150 kW (203 hp) at 2,100 rpm |
Hole Diameter Range | 63.5 mm-102 mm (2.5 in-4.0 in) |
Rock Drill HPR4519 | 25.0hp |
Cab
+ -Components | CB Radio (optional) |
Components | ROPS/FOPS certified |
Components | Emergency egress |
Components | Digital engine and drill readout system |
Components | Joysticks in both arm rests |
Components | Tinted sliding windows |
Components | Reversing camera |
Components | Heater/AC pressurizer and coils mounted in cab |
Components | Front washer and wiper |
Components | AM/FM radio |
Components | Auxiliary input |
Components | 12V plug |
Components | Six way adjustable seat; forward/back, up/down and reclining |
Noise Rating | less than 80 dB(A) |
Total Glass | 33.0ft2 |
Carousel Rod Changer System
+ -3.66 m (12 ft) Rod Changer | 45 mm - 6 Rod +1 or 51 mm - 6 Rod +1 |
3.66 m (12 ft) Rod Changer | Total hole depth 27.4 m (90 ft) with 6.1 m (20 ft) starter steel |
4.27 m (14 ft) Rod Changer | 45 mm - 6 Rod +1 or 51 mm - 6 Rod +1 |
4.27 m (14 ft) Rod Changer | Total hole depth 31 m (102 ft) with 6.1 m (20 ft) starter steel |
Air Compressor
+ -Components | Dual filter elements |
Components | Direct driven by poly chain (belt) from gearbox |
Components | Intake check valve and receiver-separator combination tank |
Screw-Type Compressor - Adjustable | 118 L/sec @ 10.2 bar (250 ft3/min @ 150 psi) |
Feed System
+ -Chain Force | 7379.0lb |
Components | Model UFH16 hydraulic motor driven steel channel feed |
Components | Power centralizer |
Components | Manual inclinator |
Components | Will accept 6.1 m (20 ft) starter steel |
Components | Set up for 45 mm drill steel |
Components | Drill steel thread lubrication |
Components | Replaceable wear pads with adjusters |
Dump | 139° from 0° of boom |
Feed Channel | 7.0in |
Feed Extension | 3.0ft |
Feed Rate | 91.0ft/min |
Feed Swing | 36° L to 37° R |
Power Train
+ -Altitude Before Derating | 7500.0ft |
Ambient Temperature Capability | 125.0° F |
Components | 28,000 Series gearbox |
Components | Dual element air filter |
Fuel Tank - Dual Fill | 80.0gal |
Tier 3, 4 cylinder inline turbocharged, water-cooled, direct injection | 150 kW at 2,100 rpm (203 hp at 2,100 rpm) |
Dimensional Specifications and Weights
+ -Shipping Height | 11.5ft |
Shipping Length | 37.3ft |
Shipping Width | 8.7ft |
Rock Drill
+ -HPR4519 Hydraulic Powered Percussion Rock Drill - Blow Rate | 2500-2700 bpm |
HPR4519 Hydraulic Powered Percussion Rock Drill - Motors | Dual hydraulic variable rotation motors producing 908 N∙m (670 lbf-ft) torque |
HPR4519 Hydraulic Powered Percussion Rock Drill - Output Energy @ 240 rpm | 25.0hp |
HPR4519 Hydraulic Powered Percussion Rock Drill - Percussion Pressure | Up to 200 bar (Up to 2,900 psi) |
HPR4519 Hydraulic Powered Percussion Rock Drill - Rock Drill Auto Lube System | Optional |
HPR4519 Hydraulic Powered Percussion Rock Drill - Rod Diameter | 45 mm |
HPR4519 Hydraulic Powered Percussion Rock Drill - Weight | 660.0lb |
Optional HPR5123 Rock Drill - Blow Rate | 2500-2700 bpm |
Optional HPR5123 Rock Drill - Motors | Dual hydraulic variable rotation motors producing 1356 N∙m (1,000 lbf-ft) |
Optional HPR5123 Rock Drill - Output Energy @ 160 rpm | 31.0hp |
Optional HPR5123 Rock Drill - Percussion Pressure | Up to 200 bar (Up to 2,900 psi) |
Optional HPR5123 Rock Drill - Rod Diameter Choices | 45 or 51 mm |
Optional HPR5123 Rock Drill - Weight | 877.0lb |
Safety
+ -Special Features | Three points of contact at all steps |
Special Features | Standard cabs have front window push-out for emergency egress |
Special Features | Emergency stop in the cab and on the feed |
Special Features | Shutoff pedal in the cab |
Special Features | Feed swipe rope engine shut off |
Special Features | Spring-applied, hydraulically released brakes |
Special Features | Ground-level access to service points and well organized electrical and hydraulic designs |
Special Features | Heavy duty steps and handles are strategically placed and non-slip |
Special Features | All proper guards in place |
Weights
+ -Shipping Weight | 34200.0lb |
Smart Drill Drilling System
+ -Monitoring System | Monitors main hydraulic system (hammer, feed, air and rotation pressure) and automatically adjusts to pre-programmed parameters |
Monitoring System | Minimizes overfeeding |
Monitoring System | Anti-plug |
Monitoring System | Anti-plunge |
Monitoring System | Anti-jam |
Monitoring System | Operator-selected, smooth, electrical control system for all drilling functions |
Undercarriage
+ -Components | Hydraulic motor-driven track assemblies with towing disconnects |
Components | Spring applied disc brakes |
Components | Triple rock grousers |
Components | Cat 312 Excavator with 315 slew |
Gradeability | 35.0Degrees |
Ground Clearance | 17.0in |
Ground Pressure | 7.5psi |
Track Gauge | 90.0in |
Track Oscillation | ±0 deg |
Tram Maximum Speed | 2.6mph |
Wide Triple Grouser Pads | 19.68in |
Shutdown Features
+ -Causes | High compressor discharge temperature |
Causes | High engine-water temperature |
Causes | Low engine-oil pressure |
Causes | Hydraulic test ports for troubleshooting |
Causes | Feed-mounted emergency stop cable |
Dust Collecting System
+ -Abrasive Resistant Suction Hose | 6.0in |
Components | Pneumatic filter purge system |
Components | Reverse pulse filter cleaning system |
Components | Feed-mounted dual axis precleaner |
Components | Hydraulically operated and positional dust pickup pot |
Components | Hydraulic motor powered, dry dust collecting system |
Components | Dust collector sized to clean holes up to 101.6 mm (4 in) in diameter |
Components | Bottom change filter elements quantity |
Filter Area | 330.0ft2 |
Boom System
+ -Boom Dump Below Horizontal | 29.0Degrees |
Boom Extension (inner boom extension) | 4.0ft |
Boom Length | 10.0ft |
Boom Lift Above Horizontal | 36.0Degrees |
Boom Swing | 360° |
Cooler Package
+ -Components | AKG four vertical sections; compressor, engine, hydraulic and air after cooler |
Components | Fan drive with temperature compensated speed control |
Components | Sized for ambient capability of 52° C (125° F) |
Cooler Package | 7 m3/min (250 ft3/min) |
Fan Assembly | 30.0in |
Hydraulic System
+ -Components | Full flow 5 micron filtration |
Components | Hydraulic test ports |
Components | Smart Drill drilling control system |
Components | Pressure compensated axial piston pumps running at 2,340 rpm |
Components | Pressure compensated, load sensing piston pump |
Components | Convenient pressure gauges and test taps installed |
Components | Full flow cooling |
Fill Pump | 100.0gal |
Model Comparison
+ -What’s Different
The basic differences between the two models are their undercarriages and pattern coverage capabilities. The MD5050 has a standard undercarriage and a 0.61 m (2 ft) boom extension for a large pattern coverage. Whereas the MD5050 T undercarriage has a unique 360° turntable and a 1.2 m (4 ft) boom extension for the largest pattern coverage possible. This is achieved with its ability to turn 360° for positioning the drill in tight spaces.
Undercarriage
+ -Your Foundation for Success
You can expect a long life due to the structural integrity of our robust undercarriage designs. Despite the unyielding demands of drilling and tramming rough terrain, our structures are continually proven reliable. Extreme maneuverability is yours thanks to the low center of gravity high ground clearance on MD5050 T.
Highly Maneuverable
- Hydraulic motor-driven track assemblies
- Dual tram maximum speed 4.0 km/h (2.5 mph)
- Gradeability 35°
- Hydraulically released spring applied brakes
- Excavator-type track rollers
Durable
- Robust strut design is resistant to failures
- Easy installation and removal of shoes
- Rebuildable
MD5050 T
- Cat 312 excavator with 360° turntable
- Ground clearance 434.5 mm (17 in)
- Ground pressure 0.5 bar (7.5 psi)
- Track gauge 200 cm (90 in)
- Wide triple grousers 500 mm (19.68 in)
Cat Grease Lubricated Track (GLT)
- Each track joint is sealed to retain the grease between the pin and bushing
- Track noise is reduced because there is no metal to metal contact between the pin and bushing
- The grease lubricant prevents frozen or seized track joints
Pattern Coverage
+ -Gaining Ground
Full 360° turntable with 3.04 m (10 ft) boom and 1.2 m (4 ft) extension achieves more.
- Telescopic boom 3.04 m (10 ft)
- Boom extension adds 1.2 m (4 ft)
- Rotates on 360° turntable
When drilling near the highwall, the operator can position his tracks parallel to the wall at a safe distance from falling rocks.
When tramming downhill or uphill the machine can be turned 180° so that the operator has excellent visibility.
Carousel Rod Changer
+ -Faster is Better
To improve your overall productivity, our new carousel rod changer significantly reduces rod change time. Additionally the carousel is supported by a sturdy feed and the extension boom allowing for large pattern coverage so fewer set ups are required. Our carousel rod changer is light weight and holds more rods, allowing the boom extension to reach further and drill deeper while maintaining stability. The feed and carousel rod changer can accommodate multiple lengths and diameters of drill steel.
Additional Features
- 45 mm drill steel diameter
- Drill steel lengths 3.66 m or 4.27 m (12 or 14 ft) with a 6.1 m (20 ft) starter rod
- Six pot carousel
- Deep multi-pass hole depth to 31.1 m (102.5 ft)
- Unique gate design always keeps a rod in position; ready to load
- Heavy-duty, dual rod grippers assist with rod changes and are designed to last
- Precise positioning function indexes and locks, eliminating the need for troublesome switches and sensors that are failure prone due to the elements and vibration
- Corrosion resistant and self-lubricating pivot points eliminate manual lubrication
Boom and Feed
+ -Extend Your Reach
Sturdy Boom and Feed Support the Carousel Rod Changer
- Larger pattern coverage with fewer set ups
- Sturdy telescopic boom on both models 3.04 m (10 ft)
- Heavy-duty boom is constructed of thick square tubing with steel plate reinforcements in key areas to add strength
- MD5050 T boom extension adds 1.2 m (4 ft)
- Manual pendulum inclinator
- Optional knuckle boom 5.9 m (19.25 ft)
- Feed table is 2.7 m (9 ft) with a 0.9 m (3 ft) extension
- Feed system resists torsion and thrust loads due to high strength steel channels with diagonal internal bracing
- Chain force is 3347 kg (7,379 lb)
- Planetary gearbox feed drive is capable of 3347 kg (7,379 lb) feed force and 36.9 m/min (121 ft/min) speed
- Lighting on the feed illuminates the carousel and hole site for around the clock drilling
Power Group
+ -Performance Driven
The MD5050 T power group delivers fast cycle times and maximum efficiency due to the combination of air capacity, horsepower and a cooler sized to keep all systems operating at optimal temperatures.
Engine
Tier 3 engine at 150 kW (203 hp) @ 2,100 rpm. The four (4) cylinder engine is electronically controlled, turbocharged, and water-cooled.
Additional Engine Features
- Automatic engine throttle control based on power demand
- Dual-element air filter
- Dual-fill 303 L (83 gal) fuel tank for 13 hours of fuel
- 28,000 series gearbox
Compressor
Strong flushing power
- Direct driven by a poly chain (belt) from gearbox
- High pressure rating 7 m³/min (250 ft3/min) @ 9.6 bar @ 150 psi
- Reliable rotary screw-type compressor
- Receiver-separator combination tank
Cooler
ATAAC side by side arrangement
- 52° C (125° F) ambient temperature
- Easy troubleshooting and cleaning of the coils
- 76 cm (30 in) large fan assembly
Hydraulics
- Piston pump runs all functions in either mode - pressure compensated in drill mode and load sensing in tram mode
- In tram mode the compressor runs at minimum pressure valve setting
- Large hydraulic tank for greater cooling capacity for longer intervals between oil usage (379 L or 100 gal)
Rock Drills
+ -Robust and Economical
Reliable Performer
Low cost of ownership and reliability are yours with renowned Cat Rock Drills. Building on a legacy of simplistic power, these drills have long life expectancy and are field serviceable. This combination of robust design and easy maintenance means more hours of reliable, low-cost operation. For added efficiency, the pistons are matched to the cross section of the rod so the wave form is properly matched for maximum energy transfer.
Durable Design
A simple design coupled with high strength materials yields exceptional durability.
- Having only half of the components of competitive models, there are fewer internal parts to wear
- There are four major housings bolted together with high strength flanges eliminating troublesome long tie rods
- Long life alloy bushings
- Fast response accumulators provide a smooth and efficient hydraulic oscillation
- Long leakage paths of the oscillator bearings yield high volumetric efficiency
Owner Serviceable
Cat Rock Drills are so simple that owner serviceability is a viable alternative and cost savings.
- Other models require downtime for round trip transportation to a clean room environment
- Only their OEM service technicians can perform the maintenance and repairs
- All maintenance and rebuilds can be done in your shop and some maintenance can even be done with the rock drill still mounted to the feed
- Accumulator assemblies may be replaced in the field
- Troubleshooting is easy since there are half the components of other drills
Automated Rock Drill Lube System - Optional
Peak performance is sustained when your rock drill is kept lubricated, cool, and automatically maintained with our new Auto Rock Drill Lube System. Operators no longer have to stop drilling to manually grease the rock drill every two hours.
- Saves more than forty hours a year over manual greasing
- Components reach full life expectancy at proper lube intervals
- Grease reservoir stores supply for up to five 8-10 hour shifts
- A timer board cycles the grease pump throughout the day eliminating maintenance time
- High and low pressure conditions are continually monitored
MD5050 T is equipped with the HPR4519 hydraulic powered percussion rock drill rated at 19 kW (25 hp) output energy with dual hydraulic variable rotation motors producing 908 N∙m (670 lbf-ft) torque.
Cab
+ -Fully Equipped
Cab
To keep operators comfortable, the MD5050 T cab is pressurized with sound levels less than 80 dB(A), responsive controls minimize fatigue and it’s isolator mounted to minimize vibration. Safety features include ROPS/FOPS certification, numerous shutdown methods, and front window egress, providing a second exit in case of emergency.
Features
- Climate control system maintains a consistent temperature
- Air is filtered to the operator
- Sound levels are less than 80 dB(A)
- Defrost/defog air is supplied to windows
- Operators seat is adjustable six ways
- Armrests, controls and switches are ergonomic
- Easy access to cab air filter
- AM/FM Radio IPOD/MP3 player ready
- Communications radio ready
- Easy to clean finishes
- External 12V plug
- High visibility with 3.07 m2 (33 ft2) tinted safety glass windows
- Slim structure members minimize visual obscurity
- Skylight provides excellent visibility of the drill string
- Mirrors assist in moving the machine
- Ground level shutdowns
- Heavy duty handles
- Fire extinguishers
- Three speed window wipers
- Dual joystick controls are ergonomic and seat-mounted
- For heightened precision, the position and shape of the joysticks match the operator’s natural expectations
- Thread lube system is operated from within the cab
Smart Drill Monitoring System
Developed to assist novice drillers, the Smart Drill system increases your overall drill production in difficult drilling conditions. It’s a hydraulically operated drilling control system that monitors changes in rock formation and adjusts the impact and feed pressure to the hardness of the rock. It incorporates anti-jam, anti-plunge, and anti-plug and increases overall life of drill string.
Dust Collection
+ -Contain It - Quickly and Quietly
Powered to clean holes up to 102 mm (4 in), the MD5050 T dry dust collection system is efficient. The heavy-duty system effectively manages rock fragments.
Features
- Dust Collector is mounted within the slim profile of the machine
- The sealed pick up pot prevents cuttings from escaping above the hole
- Swing out design for interior access
- Optional water injection system can be used to suppress dust and create hole-collaring for a natural seal
- The suction fan design limits the power requirement
- Easy bottom access to filters and air valves
- Vacuum generated air flow carries the materials
- Separator is feed mounted and parts cuttings from dust
- Abrasive resistant dust hose is 127 mm (5 in)
- Filtration area is 30.6 m2 (330 ft2) and separates the solid particles from the clean air
- Timed cleaning is continual through reverse-pulses of air
Safety
+ -Designed with Protection
To provide a safe working environment for your operators and service technicians, the MD5050 T is equipped with numerous safety features.
Track Drill Safety Features
- Non-slip, heavy duty steps and handles are strategically placed
- Three points of contact at all steps
- Ground-level access to service points and well organized electrical and hydraulic designs so no step ladder required
- Feed mounted swipe string
- Fire extinguishers
Cab Safety Features
- ROPS/FOPS cab
- High visibility with 3.8 m2 (41.76 ft2) of tinted safety glass
- Slim structure members minimize visual obscurity
- Skylight allows viewing the top of the feed
- Mirrors assist in safely moving the machine
- Ground level shutdowns
- Heavy duty handles
- Three speed window wipers
Operator Training
- High quality manuals for operation, maintenance, and service
- Classroom style training available
- Hands-on training with your local Cat dealer
Serviceability
+ -Keep Running
Serviceability
With the maintenance friendly designs, service access is safe and efficient. Cat Track Drills have well organized electrical and hydraulic arrangements. Logically located components contribute to its simplicity and ease of maintenance. You will benefit with longer equipment life cycle, lower operating costs, and higher re-sale value.
Features
- The grease reservoir is easily accessible for changing coupling grease
- Enclosure has doors lifted with gas springs
- Two exterior rear facing lights
- The canopy can be completely removed via four pinning points and lifting lugs
- Pump for filling hydraulic tank
- Service areas are designed with three points of contact for safety
Well Organized Electrical and Hydraulic Designs
- Manual valve bank for operating in the event of an electrical loss
- Color coded valves and blocks for easy identification and troubleshooting
- Point to point wiring reduces mean time to repair
- Bulk head fitting to allow for shorter run hoses
- Hydraulic hoses labeled by diameter and length and spaced for easy wrench access
- Portable interior halogen light for underneath the canopy
Supported by World-class Cat® Dealer Network
From helping you choose the right machine to keeping your equipment up and running, your Cat dealer provides the best in sales and service.
- Preventive maintenance programs are available to maximize your return on investment, achieve full equipment life cycle, and managing costs
- Guaranteed maintenance contracts help you forecast your businesses needs and strategically plan for service and parts expenses
- Best-in-class parts availability because Cat dealers understand the value of your uptime
- Operator training to help boost your productivity
- Genuine Cat Remanufactured Parts are available
Sustainability
+ -Forward Thinking
While helping you increase the efficiency and productivity of your business, Cat Drill designs leverage technology and innovations that also help minimize the environmental impact of mining. We strive to provide products, services and solutions that use our natural resources wisely.
MD5050 T Sustainability Features
- Fuel economy is achieved with three speed throttle control
- Smart Drill hydraulically operated drilling control system automatically adjusts power to the rock condition requirements
- Auto lube systems are clean and efficient
- Remanufactured components are available
- Major components can be rebuilt
Standard Equipment:
Track Undercarriage
+ --
Cat 312 equipped with a 315 slew arrangement for maximum control and positioning.
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Hydraulic, motor-driven with 500 mm (19.68 in) grousers, hydraulic released, spring applied, disc brakes, triple rock grouser.
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The substructure is capable of 360° rotation for optimum pattern coverage.
Power
+ --
Tier 3, 4 cylinder water-cooled, turbocharged, direct injection diesel engine rated at 150 kW (203 hp) @ 2,100 rpm.
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303 L (80 gal) fuel tank.
Hydraulic System
+ --
Pressure compensated, load sensing piston pump.
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Hydraulic test ports.
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Smart Drill drilling control system.
Compressor
+ --
Direct driven by a poly chain (belt) from gearbox.
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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
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52° C (125° F) ambient temperature
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76 cm (30 in) large fan assembly
Boom System
+ --
3.04 m (10 ft) sturdy telescopic boom with 1.2 m (4 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.
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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.
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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.
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AM/FM stereo, CD player and seat belt.
Rod Changer
+ --
Unique carousel rod changer designed for 4.26 m (14 ft) drill steel.
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Carousel will hold six rods.
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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
+ --
Multiple element, hydraulic motor powered, dry dust collecting system; complete with feed mounted precleaner and power pick up pot.