863 Series

The Chelsea 863 Series Power Take-Off (PTO) is engineered to meet the demands of heavy-duty forward and reverse applications where strength and reliability are essential. Built with a rugged cast iron housing and heavy-duty ball bearings on the output shaft, the 863 Series delivers high torque capacity and long service life in extreme operating conditions. Designed as a robust solution for demanding vocational use, the standard output configuration includes a 1-1/2” – 10T shaft with a 1410 companion flange, providing compatibility with high-torque driveline systems. With torque ratings of up to 500 lb-ft, the 863 Series is especially well suited for mechanical winch applications that require consistent reversible power. The Chelsea 863 Series PTO is built for durability in harsh environments and supports large coverage for transmissions with 8-bolt openings. It features a lever shift design and is optimized for maximum-duty reversible operation. Commonly used in oil and gas, mobile equipment, and forestry applications, the 863 Series delivers dependable performance in some of the most demanding industries. It is designed to improve efficiency while maintaining long-term durability.