The Chelsea 680 Series Power Take-Off Assembly, part number 680XRAHX-A5AF or 680XRAHXA5AF, is a medium- to heavy-duty PTO built for 8-bolt transmission openings on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. The cast iron housing and tapered cone bearings on the output shaft deliver an intermittent torque rating up to 375 lb-ft (508 Nm) -- check the Chelsea application pages for your specific configuration. This unit uses wire/cable mechanical shift and features a 1-1/4" round output shaft with keyway. Shaft power delivery runs 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. The deep-mount housing option accommodates Mack transmission applications, and the series was specifically engineered for high-torque work such as pneumatic blowers. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-bolt mounting for broad coverage across Eaton/Fuller, Volvo/Mack, and other compatible transmissions
Wire/cable mechanical shift with deep-mount housing option engineered for Mack transmission applications
1-1/4" round output shaft with keyway
Intermittent torque rating up to 375 lb-ft (508 Nm) -- verify against Chelsea application pages for your build
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Designed for high-torque equipment including pneumatic blowers, dump, refuse, and aerial applications
Tech Specs
- Intermittent Torque: 301-400 lb-ft range; 375 lb-ft / 508 Nm (check Chelsea application pages for actual rating by configuration)
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP (500 RPM), 71 HP (1,000 RPM), 107 HP (1,500 RPM) / 27 kW (500 RPM), 53 kW (1,000 RPM), 80 kW (1,500 RPM)
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Compatible Transmission Manufacturers: Eaton/Fuller, Volvo/Mack, Other
Additional Information
