Description
Nothing ruins a good day in the field quite like hydraulic oil dripping all over your feet or transmission fluid puddling under your tractor. When you’re climbing in and out of the cab all day, the last thing you want is slippery steps and the smell of gear oil. This transmission O-ring sits between your input shaft and housing, keeping everything sealed up where it belongs instead of making a mess.
Key Features
- Precise 4-inch inside diameter with 5/64-inch thickness for exact factory fit
- Oil-resistant rubber compound handles transmission fluid and heat cycles
- Seals both front PTO pinion shaft and input shaft retainer areas
- Direct replacement for worn factory seals – no modifications needed
- Quality TISCO construction built for farm equipment durability
Built for Real Farm Work
This O-ring fits a wide range of Massey Ferguson tractors from the compact 135 utility models all the way up to the bigger 398 row-crop machines. Whether you’re running a loader on your 240, plowing with a 265, or working hay ground with a 285, these tractors handle diverse farm tasks where reliable sealing prevents costly fluid loss and contamination.
Made to Last
Farm transmissions work hard, and seals take the brunt of pressure changes, temperature swings, and constant vibration. This O-ring uses quality rubber compounds designed to stay flexible through seasons of use while maintaining a positive seal against metal surfaces that expand and contract with temperature.
Installation Notes
Accessing this seal typically requires splitting the tractor, so it’s smart to replace other seals and gaskets while you’re in there. Clean all sealing surfaces thoroughly and check for scoring or wear that could cause the new O-ring to fail. A light coat of transmission fluid on the O-ring helps installation and prevents pinching during assembly.
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