Description
The Chelsea 680 Series Power Take-Off Assembly, part number 680XQAHX-A4XV or 680XQAHXA4XV, is a medium- to heavy-duty 8-bolt PTO built around a cast iron housing with tapered cone bearings on the output shaft and tapered bearings on the input shaft for greater load-bearing capability over needle-bearing designs. Shift type is wire/cable mechanical. The 1-1/4″ round output shaft with key delivers intermittent torque rated at 375 lb-ft (508 Nm) – verify actual rating on the application pages for your specific installation. Shaft power output reaches 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. Compatible with Eaton/Fuller and Volvo/Mack transmissions featuring an 8-bolt aperture, with a deep-mount housing option for Mack applications. Call us to confirm proper fit for your transmission.
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) – check application pages for actual torque values
Shaft power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
Deep-mount housing option supports Mack transmission applications; designed for higher-torque loads such as pneumatic blowers
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4″ Round with Key
- Intermittent Torque: 375 lb-ft / 508 Nm (check application pages for actual torque ratings)
- 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)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
