Description
When your tractor starts making noise from the rear end or you’re losing power to the wheels, it’s often the differential components telling you they need attention. The rear differential is the workhorse that splits engine power between your rear wheels while letting them turn at different speeds—critical for everything from tight turns in the farmyard to maintaining traction in rough field conditions. This kit gets you back to smooth, reliable power transfer with all the seals, gaskets, and small parts you need for a proper rebuild.
What You’re Getting
- Complete seal and gasket set prevents oil leaks and keeps contaminants out
- All the small hardware and clips that always seem to break during disassembly
- Quality components designed to handle the loads and stresses of farm work
- Everything needed for a professional rebuild without multiple trips to the parts counter
Built for Real Farm Work
This differential kit is designed for the John Deere 6M and 6R series tractors that handle the heavy lifting on today’s farms. Whether you’re running a 6125M pulling cultivation equipment or a 6155R with a heavy planter, these tractors depend on a solid rear end to transfer hundreds of horsepower to the ground. The kit covers utility models through row-crop configurations that see everything from loader work to high-speed field operations.
Made to Last
Farm differentials take a beating from shock loads, contamination, and the constant cycling between forward and reverse that comes with real work. These seals and gaskets are built to handle hydraulic pressures, gear oil temperatures, and the vibration that comes with pulling heavy implements through challenging conditions.
Good to Know
A differential rebuild is serious work that requires proper tools and experience—this isn’t a field repair job. Make sure to have a clean workspace and follow torque specifications exactly. It’s also a great time to inspect your ring and pinion gears for wear patterns and check the condition of your axle bearings while everything’s apart.






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