The Chelsea 680 Series Power Take-Off, part number 680XHAHX-A3AF or 680XHAHXA3AF, is a medium- to heavy-duty PTO built for 8-bolt transmission apertures on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. It features wire/cable mechanical shift and a 1-1/4" round output shaft with key. Intermittent torque rating for the 680 Series is 375 lb-ft (508 Nm), check application pages for your specific configuration. Shaft power output reaches 107 HP at 1,500 RPM. The cast iron housing with tapered cone bearings on the output shaft and tapered bearings on the input shaft give this series a strong load-bearing capability. A deep-mount housing option accommodates Mack transmission applications. Pro Gear and Transmission carries genuine Chelsea PTOs, call us to confirm proper fit for your transmission and application.
Features
8-bolt mounting for broad Eaton/Fuller, Volvo/Mack, and compatible transmission coverage
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque rating up to 375 lb-ft (508 Nm) for the 680 Series -- verify for your specific application
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Deep-mount housing option available for Mack transmission applications
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: Eaton/Fuller, Volvo/Mack, Other
- Output Shaft Type: 1-1/4" Round, 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Shaft Power: 36 HP (500 RPM), 71 HP (1,000 RPM), 107 HP (1,500 RPM) / 27 kW (500 RPM), 53 kW (1,000 RPM), 80 kW (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.
