Product resources
Literature and Reference Materials
- Chelsea Power Take-Off (PTO) General Information Catalog (PDF)

- 2026 Parker Chelsea Applications Catalog (PDF)

- Chelsea Power Take-Off (PTO) Stud Kits - HY25-2002-M1_US (PDF)

- 660 Series Parts List - HY25-2660-M1_US (PDF)

- 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual (PDF)

- PTO-PNI-205 - \RH\ Output Option (PDF)

- PTO-PNI-250 - New 660/680 Series Ratio and Output Options (PDF)

- PTO-PNI-275 - RK and RJ Output Options (PDF)
