The Chelsea 680 Series Power Take-Off Assembly, part number 680XQAHX-P3XY or 680XQAHXP3XY, is a medium- to heavy-duty PTO built for 8-bolt transmission apertures. 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) - check application pages for actual torque ratings for your specific installation. Shaft power output runs 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The cast iron housing and tapered cone bearings on the output shaft are characteristic of the 680 Series, engineered for demanding applications like pneumatic blowers. A deep-mount housing option covers Mack transmission installations. Compatible with Eaton/Fuller, Volvo/Mack, and other transmission families with an 8-bolt PTO opening. Call us to confirm proper fit for your application.
Features
8-Bolt mounting type fits most manual transmissions with an 8-bolt PTO aperture
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque rating up to 375 lb-ft (508 Nm) - verify against application pages for your installation
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 Compatibility: 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
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
