Description
When you’re tackling thick brush and overgrown pastures, your rotary cutter’s gearbox is what takes the power from your tractor’s PTO and turns it into cutting force. This 75 hp rated gearbox steps up your 540 rpm PTO speed to give the blade more cutting power while handling all the stress and vibration that comes with heavy brush cutting.
What You’re Getting
- 1 to 1.46 gear ratio that increases blade speed for better cutting performance
- Bevel gear design smoothly changes power direction from horizontal PTO to vertical blade shaft
- 75 hp rating handles the power of mid-size to larger tractors without overheating
- Standard 6-spline input connects directly to your tractor’s 540 rpm PTO
- Heavy-duty 2-inch 15-spline output shaft transfers maximum torque to the blade hub
Built for Real Farm Work
This gearbox fits rotary cutters used for pasture maintenance, right-of-way clearing, and brush hogging on farms and ranches. Whether you’re cleaning up fence rows, maintaining hay fields, or clearing overgrown areas, this gearbox handles the demanding work that comes with thick vegetation and uneven terrain.
Made to Last
The bevel gear construction distributes loads evenly and runs smoother than straight-cut gears, which means less heat buildup and longer life. The housing is built to handle the constant shock loads and debris impacts that come with rotary cutting, while the sealed design keeps lubricants in and dirt out.
Installation Notes
This is a direct replacement gearbox that mounts with four 3/4-inch bolts on an 8-inch circle pattern. Make sure to check your blade hub and castle nut condition during installation—worn components can cause vibration and premature gearbox failure. Keep the gearbox properly greased and check oil levels regularly for best performance.
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