The Chelsea 680 Series Power Take-Off Assembly, part number 680XFAHX-A3RY or 680XFAHXA3RY, is a cast-iron medium- to heavy-duty PTO designed for 8-bolt transmission apertures. It uses wire/cable mechanical shift and delivers an intermittent torque rating of 375 lb-ft (508 Nm) - verify actual values on the Chelsea application pages for your specific setup. The 1-1/4" round output shaft (with key) and tapered cone bearings on both the input and output shaft handle high-torque demand loads such as pneumatic blowers. Shaft power output reaches 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. A deep-mount housing option covers Mack/Volvo transmission applications. Available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-bolt mounting type for broad manual transmission coverage including Eaton/Fuller and Volvo/Mack applications
Wire/cable mechanical shift; deep-mount housing option available for Mack transmission fitment
1-1/4" round output shaft with key; tapered cone bearings on input and output shafts for high load capacity
Intermittent torque rating: 375 lb-ft / 508 Nm (check Chelsea application pages for verified values on your unit)
Shaft power output: 36 HP (500 RPM), 71 HP (1,000 RPM), 107 HP (1,500 RPM)
Designed for high-torque driven equipment including pneumatic blowers, aerial, and dump truck applications
Tech Specs
- Intermittent Torque: 375 lb-ft / 508 Nm (check application pages for actual torque ratings for your unit)
- Shift Type: Wire/Cable, Mechanical
- Mounting Type: 8-Bolt
- Output Shaft Type: 1-1/4" Round with Key
- 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)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other 8-bolt applications
Additional Information
