The Chelsea 680 Series Power Take-Off Assembly, part number 680GQAHX-A3RE or 680GQAHXA3RE, is a medium- to heavy-duty 8-bolt PTO built around a cast iron housing with tapered cone bearings on the output shaft. It uses a wire/cable mechanical shift and delivers intermittent torque in the 301-400 lb-ft range, with an application-specific rating of 375 lb-ft (check application pages for your actual torque rating). Output shaft is a 1-1/4" round with keyway. Shaft power runs 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. The deep-mount housing suits Mack transmission installations, and the series also covers Eaton/Fuller and other 8-bolt applications. Designed for demanding jobs including pneumatic blowers, the 680 is sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-Bolt mounting for broad coverage across manual transmission applications with 8-bolt PTO apertures
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque rating up to 375 lb-ft / 508 Nm (verify actual rating on Chelsea application pages for your transmission)
Shaft power output: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Deep-mount housing option available for Mack transmission applications; compatible with Eaton/Fuller and other 8-bolt transmissions
Tech Specs
- Intermittent Torque: 301-400 lb-ft (501+ Nm); application-specific rating 375 lb-ft / 508 Nm - check application pages for actual torque rating
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Transmission Manufacturer Compatibility: Eaton/Fuller, Volvo/Mack, Other 8-Bolt
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Shaft Power: 36 HP / 27 kW at 500 RPM; 71 HP / 53 kW at 1,000 RPM; 107 HP / 80 kW at 1,500 RPM
Additional Information
