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This handy little clutch slips on over your tractor's existing PTO shaft (6 spline shaft that sticks out the back of your tractor) and will keep the rotational momentum of your mower from "pushing" your tractor after the clutch pedal is pushed in. It takes about 20 seconds to install and is a "must have" if you are using a mower on a tractor without a live pto(all Yanmars).

Want To Get A Little More Technical? Without one of these clutches- when you are out mowing & press your clutch pedal in, the mower will continue to spin due to the rotational momentum of the blades. There is actually a LOT of momentum stored in the spinning mower. Since there is no disconnect between the PTO and the transmission, this momentum continues to spin the transmission gears and you continue to move forward. Many customers call to order these clutches after slamming through their garage door, into their cars, over trees, etc. It is very scary (and DANGEROUS) to press the clutch and the tractor keeps moving. You can press the brakes but it still will take several seconds to stop and this is very hard on the transmission due to the low gearing. You will keep moving forward until you 1- shift the PTO or transmission into neutral, (difficult to do in a panic stop) or 2- the mower stops spinning.

The over running clutch acts like a ratchet. You know how you can turn hard on a ratchet one way to tighten a bolt & then it spins easily the other way? Same thing with the overrunning clutch. It allows the tractor to apply power to spin the mower but the mower can't apply its momentum back to spin the transmission. When installed you can depress the clutch & the tractor will stop instantly but the mower will gradully spin to a safe stop. You can also depress the clutch to shift gears, for example, and the mower will continue to free spin. This makes it easier to resume mowing since you don't have to spin up the mower from a complete stop again.

- Standard 540RPM 6-spline 1 3/8" spline diameter. FITS ALL YANMAR, DEERE, KUBOTA, AND OTHERS, TRACTORS.

The Quick Detach clutch is installed by pressing the spring loaded button and sliding the clutch on top the shaft. This type of clutch can be installed in about 30 seconds.

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We carry a full line of parts for your Yanmar tractor. Just give us a call at (940) 592-0181 or send us an email to Contact Us .