Planetary Wheel Drive Gearbox for Cold Planers

The planetary wheel drive gearbox for cold planers is an advanced transmission system designed specifically for heavy-duty construction machinery that mills asphalt or concrete surfaces. It employs an epicyclic gear configuration, featuring a central sun gear, orbiting planet gears, and an outer ring gear. This compact design enables efficient torque multiplication and speed reduction, making it suitable for direct integration with wheels or hubs. Its high torque output allows cold planers to handle substantial loads while maintaining controlled movement and stability, even on uneven or rugged terrains.

The planetary wheel drive gearbox for cold planers is an advanced transmission system designed specifically for heavy-duty construction machinery that mills asphalt or concrete surfaces. It employs an epicyclic gear configuration, featuring a central sun gear, orbiting planet gears, and an outer ring gear. This compact design enables efficient torque multiplication and speed reduction, making it suitable for direct integration with wheels or hubs. Its high torque output allows cold planers to handle substantial loads while maintaining controlled movement and stability, even on uneven or rugged terrains.

Built for durability, the wheel drive planetary gearbox offers robust construction to withstand harsh operating conditions, reducing maintenance needs and extending service life. Its precision-engineered mechanics ensure optimal power distribution and consistent performance, critical for milling applications where accuracy and efficiency are essential. Additionally, the gearbox contributes to reduced fuel consumption, enhancing overall operational efficiency. Supporting functions like earthmoving and material handling, this gearbox ensures reliable propulsion and versatility, minimizing downtime and improving productivity in demanding road reclamation and construction environments.

Planetary Wheel Drive for Cold Planers

Planetary Wheel Drive 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

Cold Planer Wheel Drive Planetary Gearbox Advantages

  • High Torque Density
    This planetary wheel drive gearbox delivers exceptional torque output relative to its size, enabling cold planers to handle heavy-duty milling tasks on tough surfaces like asphalt and concrete without requiring oversized components, which improves machine maneuverability and reduces overall weight for better fuel efficiency in construction environments.
  • Compact and Space-Efficient Design
    By utilizing an epicyclic gear arrangement, the planetary system fits into confined spaces on cold planers, allowing for streamlined machine architecture that maximizes cutting depth and productivity while minimizing the footprint, making it ideal for urban roadwork where space constraints are common.
  • Enhanced Durability and Reliability
    Constructed with robust materials and a design that distributes loads evenly across multiple gears, this wheel drive planetary gearbox withstands the rigorous vibrations and impacts of cold planing operations, leading to longer service life, fewer breakdowns, and lower maintenance costs over extended use in harsh job sites.
  • Superior Mechanical Efficiency
    The planetary configuration minimizes friction and energy losses through optimized gear meshing, resulting in higher power transmission rates that enhance the cold planer's overall performance, reduce operational heat buildup, and contribute to energy savings during prolonged milling sessions on highways or pavements.
  • Low Backlash and Precise Control
    Featuring minimal play between gears, this system provides accurate speed and torque control, which is crucial for achieving uniform milling depths and smooth surfaces in cold planers, thereby improving the quality of road reclamation projects and operator safety during precise maneuvers.
  • Improved Oil Retention and Gear Ratio Flexibility
    Planetary gearboxes excel at maintaining lubrication for sustained operation and offer greater gear ratios within a compact envelope, allowing cold planers to adapt to varying load conditions and terrains, which boosts versatility and efficiency in diverse construction scenarios without compromising power delivery.

Planetary Wheel Drive Gearbox for Cold Planers

Planetary Wheel Drive Gearbox Application Industry

  • Road Construction and Maintenance
    Planetary wheel drive gearboxes are essential in road construction machinery like cold planers, enabling precise asphalt and concrete milling. Their high torque output ensures efficient material removal, while their durability supports continuous operation in demanding environments, boosting productivity and reducing downtime.
  • Mining and Quarrying Operations
    In mining and quarrying, planetary gearboxes power heavy-duty vehicles and loaders to handle substantial loads. Their robust design ensures reliable performance under extreme conditions, such as rocky terrains and heavy vibrations, making them vital for material extraction, transport, and processing tasks.
  • Agricultural Machinery
    Wheel drive gearboxes are widely used in agricultural equipment like tractors and harvesters. Their compact design and torque efficiency enable smooth operation on uneven fields, ensuring effective plowing, harvesting, and material handling, even in challenging agricultural environments with varying loads and terrain demands.
  • Material Handling and Logistics
    In industries like warehousing and logistics, planetary drive gearboxes are integrated into forklifts and conveyor systems. Their precise power distribution supports smooth lifting and transport of heavy goods, ensuring operational stability and efficiency in high-demand environments like factories and distribution centers.
  • Oil and Gas Industry
    Planetary gear reducers play a critical role in drilling rigs and pipeline equipment. Their ability to handle high torque requirements ensures efficient power transmission in heavy machinery, enabling seamless operations in oil extraction, pipeline maintenance, and other energy-sector applications under harsh conditions.
  • Construction Equipment Manufacturing
    Planetary wheel drive gearboxes are fundamental in cranes, excavators, and loaders used in building infrastructure. Their ability to deliver high torque while maintaining stability helps these machines handle heavy loads effectively, ensuring reliable performance and safety in large-scale construction projects worldwide.
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Choose the Right Planetary Wheel Drive Gearbox for Cold Planers

  • Assess Torque Requirements
    Evaluate the maximum output torque needed for your cold planer to handle tough materials and heavy loads during milling operations, as planetary gearboxes excel in delivering high torque density that supports consistent power transmission and prevents stalling under extreme conditions typical in road reclamation projects.
  • Determine Gear Reduction Ratio
    Calculate the appropriate reduction ratio based on input and output speeds to optimize the gearbox for the cold planer's hydraulic motor, enabling precise speed control that improves milling efficiency and adapts to varying surface hardness without compromising overall machine productivity.
  • Evaluate Load Bearing Capacity
    Consider the radial and axial load capacities of the planetary wheel drive gearbox to ensure it can withstand the vibrations and impacts from uneven terrains in cold planing tasks, promoting long-term reliability and minimizing wear on components during prolonged use in construction sites.
  • Review Backlash and Precision Levels
    Opt for a planetary gearbox reducer with low backlash to achieve accurate positioning and smooth operation in cold planers, which is critical for maintaining uniform cutting depths and high-quality surface finishes while enhancing operator control and safety in precision-demanding applications.
  • Consider Size and Mounting Compatibility
    Select a compact planetary gearbox that fits seamlessly within the cold planer's space constraints and mounting configurations, facilitating easy integration with hydraulic drives and allowing for versatile machine setups that maximize maneuverability in urban or confined job sites.
  • Factor in Durability and Maintenance Needs
    Choose a robust planetary gear reducer constructed from high-quality materials with features like effective lubrication systems to endure the harsh abuse of cold planing environments, reducing downtime through minimal maintenance requirements and extending service life for cost-effective long-term performance.

Wheel Drive Planetary Gearbox for Cold Planers

Additional information

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