Planetary Wheel Drive for Mining Wheel Dozers

The planetary wheel drive for mining wheel dozers is a specialized gearbox system engineered to optimize power transmission in heavy-duty earthmoving equipment. It employs a planetary gear arrangement, consisting of a central sun gear, surrounding planet gears, and an outer ring gear, to convert high-speed, low-torque input from the engine into low-speed, high-torque output at the wheels. This configuration enhances traction, efficiency, and maneuverability in demanding mining environments, such as quarries and open-pit operations, where wheel dozers must handle massive loads and uneven terrain.

The planetary wheel drive for mining wheel dozers is a specialized gearbox system engineered to optimize power transmission in heavy-duty earthmoving equipment. It employs a planetary gear arrangement, consisting of a central sun gear, surrounding planet gears, and an outer ring gear, to convert high-speed, low-torque input from the engine into low-speed, high-torque output at the wheels. This configuration enhances traction, efficiency, and maneuverability in demanding mining environments, such as quarries and open-pit operations, where wheel dozers must handle massive loads and uneven terrain. Renowned for its compact design and exceptional resilience, the planetary wheel drive minimizes downtime by withstanding extreme loads, vibrations, and abrasive conditions typical in mining applications.

Planetary Wheel Drive for Mining Wheel Dozers

Planetary Wheel Drive Gearbox Dimensions

Technical Definitions

Symbols Units of measurementDescription
i-Reduction ratio
T2max[Nm]Maximum output torque
T2p[Nm]Peak output torque
T2maxint[Nm]Maximum intermittent torque
T2cont[Nm]Continuous output torque
Pcont[kW]Maximum continuous power
Pint[kW]Maximum intermittent power
n1max[rpm]Maximum input speed
n2max[rpm]Maximum output speed

GR 80

Planetary Wheel Drive Dimensions

TypeMotor disp.
[cc]
Total disp.
[cc]
iTorqueSpeed
n2max
Power
T2contT2maxintT2pPcont
[kW]
Pint
[kW]
[Nm]Δp [bar][Nm]Δp [bar][Nm]Δp [bar][rpm]portata
flow
[l/min]
GR80-MR5051,6269,95,23470145570175630205115305,57
GR80-MR8080,3420,0800145960175106020568305,57
GR80-MR10099,8522,08001151000145131020555305,57
GR80-MR125125,7657,4800951000120150019045305,57
GR80-MR160159,6834,7800751000951500145333057
GR80-MR200199,81045,0800601000751500115263057
GR80-MR250249,31303,88005010006015009521304,56

GR 200

Planetary Wheel Drive Dimensions

TypeMotor disp.
[cc]
Total disp.
[cc]
iTorqueSpeed
n2max
Power
T2contT2maxintT2pPcont
[kW]
Pint
[kW]
[Nm]Δp [bar][Nm]Δp [bar][Nm]Δp [bar][rpm]portata
flow
[l/min]
GR200-MR5051,6319,96,2056014567017574020598305,57
GR200-MR8080,3497,99501451150175125020558305,57
GR200-MR10099,8618,811801451420175156020546305,57
GR200-MR125125,7779,314501451750175192020538305,57
GR200-MR160159,6989,5160012521001652450205293057
GR200-MR200199,81238,8160010021501352500165233057
GR200-MR250249,31545,71600802150105250013518304,56
GR200-MR315315,71957,31600652150852500110153045
GR200-MR375372,62310,116005521507025009012303,54,5

EH 210

Planetary Wheel Drive Dimensions Planetary Wheel Drive Dimensions

Type  WeightOil quantityi (da÷a / From÷to)T2max
[Nm]
n1max
[rpm]
EH 212EH 213EH 212EH 213EH 212EH 213
EH 210 S35400.8111 ÷ 2941 ÷ 12939503500
EH 210 SC
EH 210 PD--

EH 240

Planetary Wheel Drive Dimensions Planetary Wheel Drive Dimensions

TypeWeightOil quantityi (da÷a / From÷to)T2max
[Nm]
n1max
[rpm]
EH 242EH 243EH 242EH 243EH 242EH 243
EH 240 S35400.8112 ÷ 3145 ÷ 13556003500
EH 240 SC
EH 240 PD--

EH 350

Planetary Wheel Drive Dimensions

TypeWeightOil quantityi (da÷a / From÷to)T2max
[Nm]
n1max
[rpm]
EH 352EH 353EH 352EH 353EH 352EH 353
EH 350 S556011.215 ÷ 3152 ÷ 13572003500
EH 350 PD

EH 610

Planetary Wheel Drive Dimensions

Type  WeightOil quantityi (da÷a / From÷to)T2max
[Nm]
n1max
[rpm]
EH 612EH 613EH 612EH 613EH 612EH 613
EH 610 S60701.21.512 ÷ 3147 ÷ 138135003500
EH 610 PD

EH 910

Planetary Wheel Drive Dimensions

TypeWeightOil quantityi (da÷a / From÷to)T2maxn1max
EH 913EH 913EH 913[Nm][rpm]
EH 910 S130147 ÷ 131242003500
EH 910 PD

S Version

Planetary Wheel Drive Dimensions

SizeDimensions
D1D2D3D4D5D6D7D8L1L2L3
EH 210 S230200180 h9190 h9210229.5M10 n°8M10 n°825373180
EH 240 S230200180 h9190 h9210229.5M10 n°8M10 n°825373180
EH 350 S270230190 h8200 h7240280M16 n°8M16 n°8242107178
EH 610 S260230190 f7220 h7260286M16 n°12M16 n°1624372171
EH 910 S330300270 f7280 h7350370M16 n°18M16 n°18368115253

PD Version

Planetary Wheel Drive Dimensions

SizeDimensions
D1D2D3D4D5D6D7D8L1L2L3
EH 210 PD230200180 h9160.8 f8205240M10 (8x)M18x1.5 (6x)21014070
EH 240 PD230200180 h9160.8 f8205240M10 (8x)M18x1.5 (6x)21014070
EH 350 PD240209.55177.8 h8200 h7241.32805/8"-11 UNC (6x)5/8"-19 UNF (9x)285107178
EH 610 PD260230190 f7220 h7275310M16 (12x)M20x1.5 (8x)29372221
EH 910 PD330300270 f7280 h7335375M16 (18x)M22x1.5 (10x)368115253

Mining Wheel Dozer Wheel Drive Planetary Gearbox Advantages

  • Enhanced Torque Conversion
    This planetary wheel drive gearbox efficiently transforms high-speed, low-torque engine input into low-speed, high-torque output, ensuring superior traction and maneuverability on uneven mining terrain, which is critical for handling massive loads without compromising performance.
  • Superior Durability and Reliability
    Designed to withstand extreme loads, vibrations, and abrasive conditions prevalent in mining sites, the planetary system minimizes equipment downtime and extends operational lifespan, thereby reducing maintenance costs and enhancing overall productivity.
  • Even Load Distribution
    By employing a configuration of sun, planet, and ring gears, it distributes mechanical stress uniformly across multiple contact points, which significantly reduces wear and tear under heavy-duty applications like dozing in quarries or open-pit mines.
  • High Efficiency and Compact Design
    The compact structure allows for space-saving integration into wheel dozers while achieving high transmission ratios and efficiency, leading to improved fuel economy and better performance in confined mining spaces without sacrificing power output.
  • Smooth Shifting and Precision
    Featuring consistent planetary powershift mechanisms, it enables seamless gear transitions and precise control, which is vital for mining operations requiring rapid adjustments to speed and torque, ultimately boosting operator safety and machine responsiveness.
  • Resilience in Harsh Environments
    Engineered for peak bearing capacity and resilience against environmental stressors such as dust and extreme temperatures in mining, this wheel drive planetary gearbox ensures reliable long-term operation, contributing to higher uptime and lower total ownership costs for wheel dozers.

Planetary Wheel Drive Gearbox for Mining Wheel Dozers

Planetary Wheel Drive Gearbox Application Areas

  • Mining Industry
    In the mining sector, planetary wheel drive gearboxes are essential for powering wheel dozers, excavators, and bucket wheel drives, enabling efficient handling of heavy loads in harsh environments like open-pit mines and quarries, where they ensure reliable performance under extreme vibrations and abrasive conditions.
  • Construction Equipment
    These planetary gearboxes are widely utilized in construction machinery such as loaders, graders, and compactors, offering superior torque conversion for maneuvering on uneven terrain, which enhances productivity and durability in building sites and infrastructure projects requiring precise power distribution.
  • Agricultural Machinery
    Planetary wheel drives play a crucial role in tractors and harvesting equipment, delivering high torque at low speeds to optimize traction in fields, thereby improving fuel efficiency and operational reliability for tasks like plowing, tilling, and crop transportation in diverse farming conditions.
  • Robotics and Automation
    In robotics and automated systems, these planetary gear reducers facilitate precise motion control and compact integration, supporting high-torque applications in assembly lines and industrial robots, which ensures accuracy, reduced backlash, and enhanced efficiency in manufacturing and packaging processes.
  • Automotive Systems
    Employed in automotive transmissions and drive systems, wheel drive gearboxes enable smooth gear shifting and torque multiplication, contributing to improved vehicle performance, fuel economy, and handling in passenger cars, trucks, and off-road vehicles across the transportation sector.
  • Material Handling Equipment
    These planetary gearboxes are integral to cranes, conveyors, and forklifts in material handling operations, providing robust power transmission for lifting and moving heavy loads in warehouses and logistics centers, thereby minimizing downtime and maximizing safety in industrial environments.
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Wheel Drive Planetary Gearbox Troubleshooting

  • Overheating Issues
    Monitor temperature during operation; overheating often stems from insufficient lubrication, overload, or poor ventilation. Solutions include checking and replenishing lubricant levels, ensuring proper cooling systems, and reducing operational loads to prevent thermal damage and maintain efficiency in demanding environments.
  • Excessive Noise and Vibration
    Unusual sounds or vibrations indicate misalignment, worn gears, or bearing failures. Inspect for loose components, realign shafts if necessary, replace damaged parts, and balance the system to restore smooth operation and prevent further mechanical degradation.
  • Lubricant Leaks
    Leaks commonly result from damaged seals, gaskets, or overfilled reservoirs. Identify leak sources through visual inspection, replace faulty seals, clean affected areas, and verify lubricant quality to avoid contamination and ensure optimal gearbox performance under high-stress conditions.
  • Gear Wear or Scoring
    Wear patterns on gears signal inadequate lubrication, misalignment, or abrasive contaminants. Conduct regular inspections, apply appropriate lubricants, realign components, and filter contaminants to mitigate scoring, thereby prolonging gear life and enhancing torque transmission reliability.
  • Misalignment Problems
    Shaft or component misalignment leads to uneven load distribution and premature failure. Use precision tools to measure alignment, adjust mounting as required, and secure all fasteners to correct deviations, improving overall stability and operational efficiency in wheel drive applications.
  • Bearing Failures
    Bearings may fail due to overload, contamination, or lack of maintenance, causing operational halts. Inspect for wear signs, clean and lubricate regularly, replace defective bearings promptly, and monitor load conditions to prevent failures and ensure sustained gearbox functionality.

Wheel Drive Planetary Gearbox for Mining Wheel Dozers

Additional information

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