Description
The Chelsea 680 Series Power Take-Off Assembly, part number 680XQAHX-A5RA or 680XQAHXA5RA, is a medium- to heavy-duty PTO built for 8-bolt transmission openings on Eaton/Fuller and Volvo/Mack applications. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft for elevated torque capacity. This unit uses wire/cable mechanical shift and delivers an intermittent torque rating of 375 lb-ft (508 Nm) per the application pages. The 1-1/4″ round output shaft with key accommodates hydraulic pumps and driveline accessories rated above 56 HP. A deep-mount housing option makes this unit a fit for Mack transmission applications. Shaft power at 1,000 RPM reaches 71 HP (53 kW). Call us to confirm proper fit for your specific transmission and application.
Features
8-bolt mounting pattern fits most manual transmissions with 8-bolt PTO apertures
Wire/cable mechanical shift type
Intermittent torque rating: 375 lb-ft (508 Nm) – verify exact rating on Chelsea application pages
1-1/4″ round output shaft with key
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 (verify on Chelsea application pages)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack, Other
- Output Shaft Type: 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)
