Description
When your transmission starts grinding, slipping out of gear, or won’t shift smoothly, you know it’s time to look at the gears inside. This 4th gear transmission gear is what connects your engine power to the ground through your tractor’s drivetrain. These Massey Ferguson tractors are workhorses designed for demanding agricultural operations, and a worn gear can shut down your operation right when you need it most.
What You’re Getting
- 33-tooth bottom shaft gear precision-cut for smooth power transfer
- Heat-treated steel construction that stands up to constant torque loads
- Direct replacement for original equipment – no modifications needed
- Proper tooth geometry ensures quiet operation and long service life
Built for Real Farm Work
This gear fits right into the heart of your tractor’s transmission on models ranging from the versatile 200 series utility tractors up through the powerful 500 series row-crop machines. Mid-range models like the 265, 275, and 285 power through heavy fieldwork including plowing, disking, and hay operations, while higher-horsepower units tackle demanding applications like large-scale cultivation and heavy implement work. Whether you’re cultivating corn, pulling a hay rake, or running a loader, this gear handles the power transfer that gets the job done.
Made to Last
Farm transmissions take tremendous loads, especially in 4th gear where you’re moving at transport speeds or pulling heavy implements across the field. This gear is built with proper heat treatment and machining to handle those constant stress cycles without premature wear or tooth breakage. The steel construction and precise tolerances mean it’ll mesh properly with your other transmission gears and keep working season after season.
Installation Notes
This is definitely a transmission-out job that requires splitting the tractor and disassembling the transmission case. If you’re not comfortable with major transmission work, this is a good time to have your local shop rebuild the whole unit while they’re in there. When reassembling, use fresh gear oil and check for proper gear mesh and backlash according to your service manual specs.






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