Manufactured by Automotive Products plc, a major manufacturer of OEM brake and clutch systems and components. These rugged power take-offs have excelled worldwide in diverse applications for over 40 years. AP PTO clutches offer a high quality precision built product with generous load factors which minimize service costs. AP clutch design features "over-center" engagement mechanism and the gear tooth drive thoroughly proven in the industry and universally understood by operators. Disclaimer Available in sizes 10" through triple 14", these PTO's are ideally suited to virtually all diesel and gas power units. Years of product refinement plus excellent product support make AP industrial PTO clutches the best choice, the right choice.