HD Clutches are designed by HD Clutch and Assembled in the USA. HD Switch GT3.5-C07 BIGBearing HiTorque 275 ftlb (OE 250) Sooth... Higher Torque: We add a few more windings to our coils to provide the maximum gripping strength to prevent damaging micro-slipping. The ZTrak series used two very differnt clutches. Premium C3 Bearings: HD Designed and Spec’d these bearings with C3 Clearances, Premium High Temperature Grease and on Most Models a Larger Tougher Bearing. Tough Billet Pulleys: Billet Pulleys Reduce Belt Wear and Maintain Perfect Blade Speed. Buy CHEFSKIN BIG & Tall 2X XXL Mushroom Chef Hat, Fully Adjustable (GREEN We use a Larger Pulley Bearing for a much longer life. Allow us to explain: When a pulley spreads the belt sinks in slightly and this acts like a smaller pulley and slows the belt speed down. Higher Torque Means this Clutch holds Strong Even in the Toughest Cuts. Clutches all run very hot; we use a composite material instead of plastic to allow the heat to dissipate much faster. HD Switch 103-3245 103-6590 BigBearing 205ftlb HiTorque Upgrade, Billet HD Clutch wrote the Bearing specifications to include Premium C3 Rated Bearings and high temperature rated synthetic grease to combat heat. High Torque Coil: 210ftlbs of Torque. With our Billet Pulley design we include a snap ring so the bearing is replaceable, making this clutch rebuildable. Please check your clutch for the correct replacement. Lastly and most importantly, a Billet Pulley does not spread during tough loads and maintains a Constant blade speed. Less Heat = Longer Life We use Machined Billet Pulleys for several reasons. Our Billet Pulley Design uses a Snap Ring and Allows for Bearing Replacement. This Listing does NOT replace the TCA15800. BIGBearing: The Pulley Bearing Takes a lot of abuse and is often the first thing to fail. Pto Switch John Deere Hd Switch 10 Amp Upgrade Blade Clutch Pto Switch Fits | OMAN John Deere Pto Switch