The Chelsea 680 Series Power Take-Off Assembly, part number 680XFAHX-A3GZ or 680XFAHXA3GZ, is a medium- to heavy-duty PTO built for 8-bolt transmission openings on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. It uses a wire/cable mechanical shift and delivers a 1-1/4" round output shaft with keyway. Intermittent torque is rated at 375 lb-ft (508 Nm) -- verify actual ratings on Chelsea application pages for your specific setup. Shaft power output reaches 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The cast iron housing includes a deep-mount option for Mack transmission applications, making it a practical choice for pneumatic blower, dump truck, refuse, and aerial service applications. A genuine Chelsea part, available through Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-bolt mounting type for broad coverage across compatible manual transmissions
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque rated at 375 lb-ft (508 Nm) -- check Chelsea application pages for actual ratings by application
Shaft power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
Deep-mount housing option available for Mack transmission applications
Tech Specs
- Intermittent Torque: 375 lb-ft / 508 Nm (Check Application Pages for Actual Torque Ratings)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Transmission Manufacturer: Eaton/Fuller, Volvo/Mack, Other
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Shaft Power: 36 HP (500 RPM), 71 HP (1000 RPM), 107 HP (1500 RPM) / 27 kW (500 RPM), 53 kW (1000 RPM), 80 kW (1500 RPM)
Additional Information
