Description
The Chelsea 680 Series Power Take-Off Assembly, part number 680GQAHX-A3XK or 680GQAHXA3XK, is a medium- to heavy-duty PTO built on an 8-bolt mounting pattern with a wire/cable mechanical shift. Output is through a 1-1/4″ round shaft with key, delivering 56+ HP and 375 lb-ft intermittent torque (verify actual rating on Chelsea application pages). The cast iron housing uses tapered cone bearings on the output shaft for load capacity suited to pneumatic blower duty. A deep-mount housing option supports Mack transmission installations, and the unit also fits Eaton/Fuller and Volvo/Mack transmissions with 8-bolt apertures. Shaft power ratings: 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. Call us to confirm proper fit for your application.
Features
8-bolt mounting pattern with broad coverage for manual transmissions featuring 8-bolt PTO apertures
Wire/cable mechanical shift type
1-1/4″ round output shaft with key
Intermittent torque rating of 375 lb-ft / 508 Nm (confirm actual rating on Chelsea application pages)
Deep-mount housing option available for Mack transmission applications
Cast iron housing with tapered cone bearings on input and output shafts for high load-bearing capability
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 / 27 kW (500 RPM), 71 HP / 53 kW (1,000 RPM), 107 HP / 80 kW (1,500 RPM)
