The Chelsea 680XQAHX-A3GZ is an 8-bolt Power Take-Off from the Chelsea 680 Series, engineered for medium to heavy-duty manual transmission applications on Eaton/Fuller, Volvo, and Mack platforms. It shifts via wire/cable mechanical actuation and delivers output power of 56+ HP (51+ kW), with shaft power rated at 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. Intermittent torque is rated at 375 lb-ft / 508 Nm (verify against application pages for your exact configuration). The 1-1/4" round output shaft with keyway suits blower and pump-drive setups. A deep-mount housing option supports Mack transmission installations. Available from Pro Gear and Transmission - call us to confirm proper fit for your application.
Features
8-Bolt mounting for broad coverage of manual transmission applications
Wire/cable mechanical shift actuation
1-1/4" round output shaft with keyway
Intermittent torque up to 375 lb-ft / 508 Nm (see application pages for confirmed rating)
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
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4" Round, 1-1/4" Round with Key
- Intermittent Torque: 375 lb-ft / 508 Nm (Check Application Pages for Actual Torque Ratings)
- Output Power: 56+ HP, 51+ kW
- 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)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
- Dimensions (H x W x L): 8.38" x 10.38" x 10.75"
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
