The Chelsea 680 Series Power Take-Off Assembly, part number 680XQAHX-A5AZ or 680XQAHXA5AZ, is a medium- to heavy-duty PTO built on a cast iron housing with tapered cone bearings on the output shaft for load handling and service life. It mounts via an 8-bolt opening and shifts via wire/cable mechanical actuation. The 1-1/4" round output shaft with key delivers 56+ HP and an intermittent torque rating of up to 375 lb-ft (508 Nm) - check application pages for actual ratings in your specific install. Shaft power at rated engine speeds runs 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. Compatible with Eaton/Fuller and Volvo/Mack transmissions, and includes a deep-mount housing option suited to Mack applications. Commonly specified for pneumatic blowers, dump trucks, aerial units, and refuse equipment. Call us to confirm proper fit for your application.
Features
8-bolt mounting for broad coverage across most manual transmission applications with 8-bolt PTO apertures
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque rating up to 375 lb-ft (508 Nm) - verify actual rating on application pages
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: 301-400 lb-ft range; 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 at 500 RPM; 71 HP / 53 kW at 1000 RPM; 107 HP / 80 kW at 1500 RPM
Additional Information
