Planetary Wheel Drive Gearbox for Wheat Seeders
The planetary wheel drive gearbox for wheat seeders is a sophisticated, compact epicyclic gear system designed to optimize power transmission in agricultural planting equipment. This planetary gearbox employs a central sun gear surrounded by multiple planetary gears that rotate within an outer ring gear, enabling efficient torque multiplication and speed reduction. Its primary function is to transfer mechanical power from the tractor or engine to the seeder’s wheels or tracks, facilitating precise movement across varied terrains while ensuring uniform seed distribution.
The planetary wheel drive gearbox for wheat seeders is a sophisticated, compact epicyclic gear system designed to optimize power transmission in agricultural planting equipment. This planetary gearbox employs a central sun gear surrounded by multiple planetary gears that rotate within an outer ring gear, enabling efficient torque multiplication and speed reduction. Its primary function is to transfer mechanical power from the tractor or engine to the seeder's wheels or tracks, facilitating precise movement across varied terrains while ensuring uniform seed distribution.
In wheat seeders, this wheel drive planetary gearbox enhances operational efficiency by providing high torque output to handle heavy loads, such as during deep furrowing or in challenging soil conditions, while minimizing energy loss for improved fuel economy. Benefits encompass durability against harsh environmental factors like dust and moisture, low maintenance requirements due to sealed designs, and customizable gear ratios to adapt seeding rates via gearbox alterations. This results in higher productivity, reduced downtime, and consistent planting accuracy for crops like wheat, sorghum, or grasses.

Planetary Wheel Drive Dimensions
Technical Definitions
| Symbols | Units of measurement | Description |
| 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

| Type | Motor disp. [cc] | Total disp. [cc] | i | Torque | Speed n2max | Power | |||||||
| T2cont | T2maxint | T2p | Pcont [kW] | Pint [kW] | |||||||||
| [Nm] | Δp [bar] | [Nm] | Δp [bar] | [Nm] | Δp [bar] | [rpm] | portata flow [l/min] | ||||||
| GR80-MR50 | 51,6 | 269,9 | 5,23 | 470 | 145 | 570 | 175 | 630 | 205 | 115 | 30 | 5,5 | 7 |
| GR80-MR80 | 80,3 | 420,0 | 800 | 145 | 960 | 175 | 1060 | 205 | 68 | 30 | 5,5 | 7 | |
| GR80-MR100 | 99,8 | 522,0 | 800 | 115 | 1000 | 145 | 1310 | 205 | 55 | 30 | 5,5 | 7 | |
| GR80-MR125 | 125,7 | 657,4 | 800 | 95 | 1000 | 120 | 1500 | 190 | 45 | 30 | 5,5 | 7 | |
| GR80-MR160 | 159,6 | 834,7 | 800 | 75 | 1000 | 95 | 1500 | 145 | 33 | 30 | 5 | 7 | |
| GR80-MR200 | 199,8 | 1045,0 | 800 | 60 | 1000 | 75 | 1500 | 115 | 26 | 30 | 5 | 7 | |
| GR80-MR250 | 249,3 | 1303,8 | 800 | 50 | 1000 | 60 | 1500 | 95 | 21 | 30 | 4,5 | 6 | |
GR 200

| Type | Motor disp. [cc] | Total disp. [cc] | i | Torque | Speed n2max | Power | |||||||
| T2cont | T2maxint | T2p | Pcont [kW] | Pint [kW] | |||||||||
| [Nm] | Δp [bar] | [Nm] | Δp [bar] | [Nm] | Δp [bar] | [rpm] | portata flow [l/min] | ||||||
| GR200-MR50 | 51,6 | 319,9 | 6,20 | 560 | 145 | 670 | 175 | 740 | 205 | 98 | 30 | 5,5 | 7 |
| GR200-MR80 | 80,3 | 497,9 | 950 | 145 | 1150 | 175 | 1250 | 205 | 58 | 30 | 5,5 | 7 | |
| GR200-MR100 | 99,8 | 618,8 | 1180 | 145 | 1420 | 175 | 1560 | 205 | 46 | 30 | 5,5 | 7 | |
| GR200-MR125 | 125,7 | 779,3 | 1450 | 145 | 1750 | 175 | 1920 | 205 | 38 | 30 | 5,5 | 7 | |
| GR200-MR160 | 159,6 | 989,5 | 1600 | 125 | 2100 | 165 | 2450 | 205 | 29 | 30 | 5 | 7 | |
| GR200-MR200 | 199,8 | 1238,8 | 1600 | 100 | 2150 | 135 | 2500 | 165 | 23 | 30 | 5 | 7 | |
| GR200-MR250 | 249,3 | 1545,7 | 1600 | 80 | 2150 | 105 | 2500 | 135 | 18 | 30 | 4,5 | 6 | |
| GR200-MR315 | 315,7 | 1957,3 | 1600 | 65 | 2150 | 85 | 2500 | 110 | 15 | 30 | 4 | 5 | |
| GR200-MR375 | 372,6 | 2310,1 | 1600 | 55 | 2150 | 70 | 2500 | 90 | 12 | 30 | 3,5 | 4,5 | |
EH 210

| Type | Weight | Oil quantity | i (da÷a / From÷to) | T2max [Nm] | n1max [rpm] | ||||
| EH 212 | EH 213 | EH 212 | EH 213 | EH 212 | EH 213 | ||||
| EH 210 S | 35 | 40 | 0.8 | 1 | 11 ÷ 29 | 41 ÷ 129 | 3950 | 3500 | |
| EH 210 SC | |||||||||
| EH 210 PD | - | - | |||||||
EH 240

| Type | Weight | Oil quantity | i (da÷a / From÷to) | T2max [Nm] | n1max [rpm] | ||||
| EH 242 | EH 243 | EH 242 | EH 243 | EH 242 | EH 243 | ||||
| EH 240 S | 35 | 40 | 0.8 | 1 | 12 ÷ 31 | 45 ÷ 135 | 5600 | 3500 | |
| EH 240 SC | |||||||||
| EH 240 PD | - | - | |||||||
EH 350

| Type | Weight | Oil quantity | i (da÷a / From÷to) | T2max [Nm] | n1max [rpm] | ||||
| EH 352 | EH 353 | EH 352 | EH 353 | EH 352 | EH 353 | ||||
| EH 350 S | 55 | 60 | 1 | 1.2 | 15 ÷ 31 | 52 ÷ 135 | 7200 | 3500 | |
| EH 350 PD | |||||||||
EH 610

| Type | Weight | Oil quantity | i (da÷a / From÷to) | T2max [Nm] | n1max [rpm] | ||||
| EH 612 | EH 613 | EH 612 | EH 613 | EH 612 | EH 613 | ||||
| EH 610 S | 60 | 70 | 1.2 | 1.5 | 12 ÷ 31 | 47 ÷ 138 | 13500 | 3500 | |
| EH 610 PD | |||||||||
EH 910

| Type | Weight | Oil quantity | i (da÷a / From÷to) | T2max | n1max | |
| EH 913 | EH 913 | EH 913 | [Nm] | [rpm] | ||
| EH 910 S | 130 | 1 | 47 ÷ 131 | 24200 | 3500 | |
| EH 910 PD | ||||||
S Version

| Size | Dimensions | ||||||||||
| D1 | D2 | D3 | D4 | D5 | D6 | D7 | D8 | L1 | L2 | L3 | |
| EH 210 S | 230 | 200 | 180 h9 | 190 h9 | 210 | 229.5 | M10 n°8 | M10 n°8 | 253 | 73 | 180 |
| EH 240 S | 230 | 200 | 180 h9 | 190 h9 | 210 | 229.5 | M10 n°8 | M10 n°8 | 253 | 73 | 180 |
| EH 350 S | 270 | 230 | 190 h8 | 200 h7 | 240 | 280 | M16 n°8 | M16 n°8 | 242 | 107 | 178 |
| EH 610 S | 260 | 230 | 190 f7 | 220 h7 | 260 | 286 | M16 n°12 | M16 n°16 | 243 | 72 | 171 |
| EH 910 S | 330 | 300 | 270 f7 | 280 h7 | 350 | 370 | M16 n°18 | M16 n°18 | 368 | 115 | 253 |
PD Version

| Size | Dimensions | ||||||||||
| D1 | D2 | D3 | D4 | D5 | D6 | D7 | D8 | L1 | L2 | L3 | |
| EH 210 PD | 230 | 200 | 180 h9 | 160.8 f8 | 205 | 240 | M10 (8x) | M18x1.5 (6x) | 210 | 140 | 70 |
| EH 240 PD | 230 | 200 | 180 h9 | 160.8 f8 | 205 | 240 | M10 (8x) | M18x1.5 (6x) | 210 | 140 | 70 |
| EH 350 PD | 240 | 209.55 | 177.8 h8 | 200 h7 | 241.3 | 280 | 5/8"-11 UNC (6x) | 5/8"-19 UNF (9x) | 285 | 107 | 178 |
| EH 610 PD | 260 | 230 | 190 f7 | 220 h7 | 275 | 310 | M16 (12x) | M20x1.5 (8x) | 293 | 72 | 221 |
| EH 910 PD | 330 | 300 | 270 f7 | 280 h7 | 335 | 375 | M16 (18x) | M22x1.5 (10x) | 368 | 115 | 253 |
Wheat Seeder Planetary Wheel Drive Gearbox Features
1. High Torque Capacity
The planetary wheel drive gearbox for wheat seeders delivers exceptional torque multiplication through its advanced epicyclic gear arrangement, consisting of a central sun gear, multiple planet gears, and an outer ring gear. This feature ensures efficient power transfer, enabling the equipment to handle challenging terrains and heavy loads without compromising performance. It supports uniform seed distribution and enhances agricultural productivity under demanding field conditions, making it indispensable for modern wheat planting.
2. Compact and Modular Design
The planetary gearbox boasts a space-efficient structure, seamlessly integrating into various wheat seeder frameworks. Its modular design allows for easy assembly, upgrades, and repairs, reducing downtime and improving operational efficiency. The adaptability of the gearbox enables customization for specific crop-planting requirements, such as adjustable wheel spacing or integration with hydraulic systems, supporting precision agriculture and maximizing planting effectiveness.
3. Robust Durability and Load-Bearing Strength
Engineered with high-quality materials and advanced manufacturing techniques, including notchless ground tooth roots, this planetary wheel drive delivers outstanding durability and resilience. It withstands harsh conditions like dust, moisture, and vibrations typically encountered in wheat fields. The superior load-bearing capacity ensures reliable performance during heavy-duty tasks, such as deep furrowing in compacted soils, extending equipment lifespan, and reducing overall maintenance costs for farmers.
4. Variable Gear Ratios for Precision Control
The wheel drive planetary gearbox offers flexible gear ratios, allowing operators to adjust speed and torque outputs with precision. This feature optimizes seeding rates and depths to ensure consistent germination and improved yield. The adaptability of the gearbox makes it suitable for diverse planting conditions and soil types. It integrates seamlessly with hydraulic or mechanical controls, enabling fine-tuned performance and efficient resource utilization in modern farming practices.
5. Low Maintenance and Efficient Operation
Designed with sealed enclosures and high-efficiency gear meshing, the planetary gear reducer minimizes lubrication requirements and energy losses. It ensures reliable performance with extended servicing intervals, reducing the need for frequent maintenance. Its fuel-efficient planetary configuration supports sustainable farming by optimizing power transmission and lowering running costs. This reliability enables farmers to focus on planting activities, contributing to cost-effective and eco-friendly agricultural operations.

Wheel Drive Planetary Gearbox Application Industry
1. Agriculture Industry
Wheel drive planetary gearboxes are integral in agricultural machinery such as tractors, harvesters, and seeders, providing high torque and efficient power transmission for navigating uneven fields and handling heavy loads, ensuring precise operations like planting and tilling while enhancing durability in harsh outdoor environments. This application promotes fuel efficiency and reduces maintenance, supporting sustainable farming practices across large-scale crop production.
2. Construction Industry
In construction equipment including excavators, loaders, and compactors, these planetary wheel drives deliver robust torque multiplication and compact design for wheel and track drives, enabling reliable performance in demanding sites with rough terrain, debris, and variable loads to facilitate tasks like digging and material transport. Their high load-bearing capacity ensures operational safety and longevity under continuous heavy-duty use.
3. Mining Industry
Utilized in mining vehicles such as haul trucks, drills, and underground loaders, planetary wheel drive gearboxes offer exceptional strength and torque for extreme conditions involving abrasive materials, steep inclines, and high payloads, optimizing extraction processes while minimizing downtime through sealed, low-maintenance designs. This contributes to efficient resource recovery in challenging subterranean and open-pit environments.
4. Forestry Industry
Planetary gearboxes play a critical role in forestry machinery, including harvesters, forwarders, and mulchers, providing robust torque transmission and durability for traversing rugged terrains, handling timber extraction, and powering tracked or wheeled drives in dense woodland settings to optimize harvesting efficiency and minimize equipment wear. Their integration supports sustainable logging practices through reliable performance in extreme outdoor conditions.
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Wheat Seeder Planetary Wheel Drive Maintenance
1. Regular Lubrication and Oil Analysis
For the wheat seeder planetary wheel drive gearbox, perform routine lubrication by checking oil levels and quality every 100 to 500 hours of operation, replacing contaminated or low oil to avert overheating and component wear, while sending samples for laboratory analysis to identify metallic particles or degradation, ensuring optimal performance in agricultural settings.
2. Visual Inspections for Leaks and Damage
Conduct monthly visual examinations of the wheel drive gearbox in wheat seeders to detect oil leaks at seals, joints, and mounting surfaces, along with cracks, corrosion, or chips on components, and retighten fasteners to preserve alignment and prevent operational failures during seeding activities.
3. Temperature Monitoring During Operation
Utilize infrared thermometers to consistently track the temperature of the wheat seeder's planetary wheel drive, maintaining it below 190°F to mitigate damage from overheating due to incorrect oil viscosity or overloads, and cease operations for cooling and further inspection if anomalies occur.
4. Noise and Vibration Assessments
Regularly listen for atypical noises or heightened vibrations in the planetary wheel drive gearbox of wheat seeders during use, as these signal potential bearing wear or gear damage, necessitating prompt disassembly and repair to avoid breakdowns and enhance reliability in field conditions.
5. Cleanliness and Debris Removal
Maintain the wheat seeder wheel drive planetary gear reducer by cleaning it and adjacent areas after each session with soft brushes or compressed air to eliminate dirt, dust, and debris, preventing contamination and abrasion while avoiding high-pressure water that might damage seals.
6. Proper Alignment and Fastener Checks
Ensure the wheel drive planetary gearbox reducer in wheat seeders remains aligned by inspecting and retorquing fasteners, checking for signs of movement like cracked paint or corrosion at joints, to prevent misalignment and excessive loading that could lead to premature equipment failure.

Additional information
| Edited by | Yjx |
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