Agricultural Rotary Lawn Mower Rotary Brush Cutter Gearbox Replacement of John-Deere Bush Hog Landpride Woods Xt160 Howse
Product Description
Benefits of Gearboxes in Agricultural Machinery
Optimal speed and torque control: This is perhaps the most important benefit. Agricultural operations range from high-speed seeding to low-speed, high-torque tilling. The gearbox converts the high-speed, low-torque output of the tractor engine or power take-off (PTO) to the precise speed and torque required by the farm implement. This ensures efficient operation, prevents overspeed damage, and provides the necessary power for demanding operations.
Directional conversion: Many farm implements need to transmit power at an angle (such as 90 degrees) relative to the input shaft. Gearboxes, such as bevel gears or right-angle gearboxes, can effectively handle this direction conversion, allowing for a variety of machine designs.
Power distribution: In complex machinery, a single gearbox can distribute power to multiple shafts or components, ensuring that various parts of the equipment operate in sync, such as different rotors on a hay tedder or multiple augers in a combine harvester.
Enhanced durability and service life: Agricultural gearboxes are extremely rugged and can withstand harsh farm conditions. They feature a rugged housing (usually cast iron or aluminum), high-strength heat-treated steel gears, and heavy-duty bearings. This construction enables them to withstand heavy loads, shock, vibration, dust, dirt and moisture, resulting in longer service life and less downtime.
Protects the prime mover: By providing the proper speed and torque ratios, and often incorporating safety features such as shear bolts or slip clutches, the transmission protects the tractor's engine and power take-off system from overloads and excessive stress, significantly extending its service life and reducing repair costs.
Improves efficiency and fuel economy: Transmissions enable implements to operate at optimal speed and torque, minimizing energy waste. This means more power to perform the task and less loss, which improves the tractor's fuel efficiency.
Versatility and adaptability: Transmissions come in a variety of types (spur, helical, bevel, worm, planetary) and can be configured with different ratios and mounting options. This versatility allows manufacturers to design a specialized transmission for nearly any agricultural application, ensuring optimal performance for specific tasks and implements.
Reduces noise and vibration: Modern transmission designs, especially those with helical or spiral bevel gears, provide smoother gear meshing, resulting in quieter operation and lower vibration than simpler gear types.
- Durable Protection: Fits most light duty rotary cutter machines that require shear pin protection and includes 5 replacement shear bolts to add to your rotary kit.
- Fits Models: RD5, RD6, RZ160, RZ60 - Gearbox Assembly P/N 00786192. Razorback Series BH4, BH5, BH6, BH4-2, BH5-2, BH6-2. BMB 1080, BMB 10300, Hardee C1378, Mohawek 14-500, Rhino 0711050100, Rhino 71105, Omni 250123, Omni 250001, SE Big Ox 1970, Sidewinder 26272, and Others
- Industry standard 1-3/8" smooth diameter input shaft with 1/2" shear bolt hole and retaining ring groove and 1.57" diameter 12 tapered spline output shaft allow fitment to most light, standard and medium duty rotary cutters.
- 1:1.47 Ratio for use on 5' and larger diameter rotary cutters
- Each gearbox features high speed ball bearing units and heat treated gears and shafts to ensure long life. Four bolt mounting matches industry standards. Each gearbox includes blade carrier mounting nut and cotter pin. Gearboxes are shipped dry and require 16 ounces of 90W or 85w140 gearlube or equivalent.
| Material |
Housing/QT450 |
| Gear/20CrMoTi; Shaft/ High-strength alloy steel |
| Ratio |
1:1.92~1:1.47 |
| Weight |
16 kg |
| Input Speed |
540 RPM |
| Horse Power |
30~40 Hp |
| Input Torque |
389~520 N·M |
| Output Torque |
203~354 N·M |
| Center Distance |
182.6 mm |
| System |
ISO9001 |
| Packing |
Plastic bag + PE foam + Wooden case + Metal strap |
Gearboxes applications in Agricultural Machinery
Tillage and Soil Preparation:
Rotary Tillers/Rotary Tillers: The gearbox drives the rotating teeth that break up and aerate the soil.
Tillage Machines: In some active tillage machines, the gearbox powers the soil gripping components.
Seeding Equipment:
Drills and Seeders: The gearbox precisely controls the metering mechanisms for seed and fertilizer, ensuring accurate spacing and application rates.
Fertilizer Spreaders: Drive the rotating discs or augers for even distribution.
Harvesting Equipment:
Combine Harvesters: Drive the cutting knives, threshing drums, cleaning fans, and conveying systems for grain, corn, or soybeans.
Hay Balers: Power the pick-up mechanism, compression chamber, and knotting system.
Forage Harvesters: Drive the cutting, chopping, and blowing units for silage production.
Root Crop Harvesters: Used to dig, separate, and convey crops such as potatoes.
Mowing and Vegetation Management:
Rotary Cutter/Brush Sweeper: The transmission drives the vertical shaft that rotates the cutting blades for clearing dense brush.
Flail Mower/Stalk Chopper: Transmits power to the horizontal rotor that shreds crop residue.
Precision Mower: Drives the blades for precision mowing lawns and fields.
Material Handling:
Grain Augers and Conveyors: Used to move grain from the harvester to the warehouse or shipping site.
Feed Mixers/Feed Wagons: Drive the mixing auger or spreading device for livestock feed.
Manure Spreaders: Power the manure distribution system.
Specialized Agricultural Equipment:
Pit Diggers: The transmission connects the power take-off (PTO) to the vertical auger.
Sprayers: Power the pump or boom folding mechanism.
Snow Blowers: Drive the auger and impeller for snow removal.
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