Crown Wheel & Pinion 3764122M91

Crown Wheel & Pinion 3764122M91 for Massey Ferguson Tractors.

More Information About Massey Ferguson Crown Wheel & Pinion 3764122M91

The Massey Ferguson 3764122M91 is a crown wheel and pinion / bevel gear kit for the front axle differential on selected 4WD Massey Ferguson tractors. It is designed to transfer drive from the prop shaft into the axle and then out to the wheels. As a result, you get smooth, dependable power delivery when traction matters most.

This kit is commonly listed as a 9/35 tooth gear set. Therefore, it is a matched pair that must run together. The tooth form and mesh pattern are critical. So correct fit and setup help keep the axle quiet and efficient.

Front axle gears work hard. However, loader work, heavy braking, and constant 4WD use can accelerate wear. Then you may hear whining under load. You may also feel vibration through the drivetrain. In addition, metal debris in the axle oil can appear. So, replacing the bevel gear set is often the right repair when damage is confirmed.

AGCO lists 3764122M91 as a Bevel Gear Kit and highlights manufacturing quality designed for correct integration and smooth operation. Moreover, using the correct kit helps protect related components such as bearings, seals, and the differential housing by keeping loads distributed properly.

This part is associated with models in the 4200/4300 series, including listings that reference 4225, 4235, 4245, 4255, 4260, 4325, 4335, 4345, 4355, and 4360 (applications can vary by axle type and serial number). Therefore, always confirm fitment before ordering. View our Tractor Compatibility section below to see if this will suit your tractor.

Installation should be done by a competent workshop. First, inspect the axle for bearing wear and housing damage. Then set backlash and contact pattern to specification. Finally, refill with the correct oil and test under load.

Choose 3764122M91 for a proper front axle differential repair and confident 4WD performance, season after season.