The Chelsea 680 Series Power Take-Off, part number 680XHAHX-A3GF or 680XHAHXA3GF, is a medium- to heavy-duty PTO built for 8-bolt transmission apertures on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. Shift is wire/cable mechanical. The 1-1/4" round output shaft with keyway delivers intermittent torque rated at 375 lb-ft (508 Nm) - check application pages for actual torque ratings for your specific setup. Shaft power output reaches 107 HP (80 kW) at 1,500 RPM. The cast iron housing and tapered cone bearings on the output shaft give this unit a high torque rating suited to demanding drives such as pneumatic blowers, dump trucks, refuse, and aerial equipment. A deep-mount housing option is available for Mack transmission applications. Call us to confirm proper fit for your application.
Features
8-bolt mounting for broad coverage of manual transmissions with 8-bolt PTO apertures
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque rating: 375 lb-ft (508 Nm) - verify against application pages for your specific unit
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Deep-mount housing option compatible with Mack transmission applications
Tech Specs
- Intermittent Torque: 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
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
- 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
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
