The Chelsea 680 Series Power Take-Off Assembly, part number 680ZFDAX-V5XY or 680ZFDAXV5XY, is a medium- to heavy-duty PTO built for 8-bolt transmission apertures on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. This unit uses a wire/cable mechanical shift and delivers a 1-1/4" round output shaft with keyway. Intermittent torque rating for the 680 Series reaches up to 375 lb-ft (508 Nm) - check application pages for actual ratings on your specific setup. The cast iron housing and tapered cone bearings on the output shaft give the 680 Series its high torque capability, making it a common choice for pneumatic blower applications, dump trucks, refuse, and aerial equipment. A deep-mount housing option supports Mack transmission installations. Call us to confirm proper fit for your application.
Features
8-bolt mounting for broad coverage across compatible manual transmission applications
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque up to 375 lb-ft (508 Nm) - verify actual rating on application pages
Deep-mount housing option available for Mack transmission applications
Suited for high-torque equipment including pneumatic blowers, dump trucks, and aerial units
Tech Specs
- Intermittent Torque: 301-400 lb-ft (501+ Nm); up to 375 lb-ft / 508 Nm - check application pages for actual torque ratings
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable, Mechanical
- 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)
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
Additional Information
