880 Series Power Take-Off Unit by Chelsea®. Ideal for bulk haulers, fire trucks, oil rigs, utility and generator applications, large truck recovery or other tough challenges. The 880 Series PTO is designed for high and low speed, high torque applications with constant mesh input gears. It features a standard lever control shift or an optional air control shift. Tapered cone bearings offer excellent load bearing capabilities. The shift cover is removable, making backlash adjustment easier and more accurate. Specifically, the 880 is an 8-Bolt, 10 spline, 1-1/2"-10 spline output shaft PTO, rated for up to 500 lbs-ft torque for intermittent service.