Description
When your PTO isn’t transferring power smoothly from the transmission to the output shaft, it’s often a worn pinion gear that’s the culprit. This small but mighty gear sits inside your transmission and does the heavy lifting of redirecting engine power to drive your implements. If you’ve noticed your PTO losing power, making grinding noises, or not engaging consistently, this pinion could be the fix you need.
What You’re Getting
- 20-tooth gear that delivers proper gear ratio for reliable PTO operation
- 25-spline configuration ensures secure connection to the PTO drive system
- 8.5-inch overall dimension fits perfectly in 8-speed transmission housings
- Precision-machined teeth provide smooth power transfer without binding or slipping
Built for Real Farm Work
This pinion is designed for Massey Ferguson tractors from the 200 Series through the 500 Series that came equipped with 8-speed transmissions. These include the 250, 265, 290 models, various 300 Series tractors like the 362, 365, 375, and 390, plus the 575 and 590 from the 500 Series. These are the tractors you’ll find powering hay equipment, rotary cutters, balers, and all sorts of PTO-driven implements on farms everywhere.
Made to Last
PTO components take serious punishment from constant engagement cycles and the shock loads that come with implement work. This pinion is built with quality steel and proper heat treatment to handle full engine torque without stripping teeth or wearing prematurely. The precise machining ensures it meshes properly with other gears in your transmission for years of reliable service.
Good to Know
Replacing a PTO pinion requires splitting the transmission, so it’s typically done during major service or when other transmission work is needed. If you’re experiencing PTO problems, check the simpler things first – like the output shaft, clutch adjustment, and hydraulic controls. But if those check out and you’re still having issues, this pinion could be the root cause. Always use proper procedures when working inside transmission housings.
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