The Chelsea 680 Series Power Take-Off Assembly, part number 680XFAHX-A5AF or 680XFAHXA5AF, is a medium- to heavy-duty PTO built for 8-bolt transmission openings on Eaton/Fuller and Volvo/Mack transmissions. It uses a wire/cable mechanical shift and delivers a 1-1/4" round output shaft with keyway. Intermittent torque capacity runs 301-400 lb-ft (501+ Nm), with a rated application torque of 375 lb-ft (508 Nm), verify against Chelsea application pages for your specific installation. Shaft power output reaches 71 HP (53 kW) at 1,000 RPM and 107 HP (80 kW) at 1,500 RPM. The 680 Series features a cast iron housing and tapered cone bearings on the output shaft for durability in high-torque work like pneumatic blowers. Call us to confirm proper fit for your application.
Features
8-bolt mounting for broad coverage across Eaton/Fuller and Volvo/Mack manual transmission applications
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque: 301-400 lb-ft (501+ Nm); application-rated at 375 lb-ft (508 Nm), confirm via Chelsea application pages
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
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: 301-400 lb-ft (501+ Nm); 375 lb-ft / 508 Nm (check application pages for actual torque ratings)
- Output Power: 56+ HP, 51+ kW
- 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
- Transmission Manufacturer Compatibility: Eaton/Fuller, Volvo/Mack, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information
