Model SP318S Series Twin Disc Power Take-Offs Standard SP Clutch SP318S Quality is Standard • straddle bearing design • No Pilot • Ball bearing throw out • Optional sintered iron plates • built in hex nut • More suitable for side load applications • ease of installation • allows for more frequent engagements • Creates 25% higher torque capacity • Eases adjustment verification SPECIFICATIONS – SP318S Model Number SP318S0 SAE HSG. 0 Max. Input Torque Nm (lb-ft) Maximum Safe Speed Organic 2200 477 (1050) Sintered 8141 (6000) Weight kg (lbs) 10176 (7500) Load classifications based upon agma load characteristics PRIME MOVER Electric motor Multi-cylinder internal combustion engine Multi-cylinder internal combustion engine with high torque rise Single cylinder internal combustion engine duration of service Up to 3 hours per day 3–10 hours per day Over 10 hours per day Up to 3 hours per day 3–10 hours per day Over 10 hours per day Up to 3 hours per day 3–10 hours per day Over 10 hours per day Up to 3 hours per day 3–10 hours per day Over 10 hours per day Driven Machine Load Classifications Uniform Moderate Shock Heavy Shock 1.00 1.00 1.25 1.00 1.25 1.50 1.50 1.75 2.00 1.25 1.50 1.75 1.25 1.25 1.50 1.25 1.50 1.75 1.75 2.00 2.25 1.50 1.75 2.00 1.50 1.75 2.00 1.75 2.00 2.25 2.25 2.50 2.75 2.00 2.25 2.50 To calculate application torque: 5252 x HP = Torque Engine RPM Torque x Load Factor = Application Torque Use load factor from chart at left All clutch engagements to be with prime mover below 1000 RPM. High inertia loads may require use of larger clutch. Contact Twin Disc application engineering department for assistance. Specifications subject to change without prior notice in the interest of continual product improvement. Contact your local Twin Disc representative for engineering specifications.

SP318S 867.41 (34.15) 401.32 (15.80) For nearly a century, we’ve been putting horsepower to work by designing, engineering and manufacturing rugged-duty industrial products. Our products and our reputation are bolted to the most renowned engine manufacturers and equipment OEMs in the world. Our mission is to make your machines and vehicles more productive, more durable, more operatorfriendly, more cost-effective. From design and installation consultation through aftersale support, Twin Disc and its distributors are committed to your business. No one knows more about managing horsepower in more...