The Chelsea 680ZQDAX-A3XK or 680ZQDAXA3XK is a 680 Series Power Take-Off built for medium- to heavy-duty manual transmission applications with an 8-bolt PTO aperture. The 680 Series uses a cast iron housing with tapered cone bearings on the output shaft, supporting intermittent torque in the 301-400 lb-ft range and continuous operation with a 30% de-rating. It fits Eaton/Fuller, Volvo/Mack, and Daimler/Detroit transmissions, with a deep-mount housing option for Mack applications. The series offers wire/cable and mechanical shift types and multiple output configurations. Pro Gear and Transmission carries this genuine Chelsea part. Call us to confirm proper fit for your application.
Features
Chelsea 680 Series Power Take-Off, part 680ZQDAX-A3XK
8-bolt mounting for Eaton/Fuller, Volvo/Mack, and Daimler/Detroit manual transmissions
Deep-mount housing option available for Mack transmission applications
Cast iron housing with tapered cone bearings on input and output shafts
Intermittent torque rating: 301-400 lb-ft (508 Nm); continuous operation with 30% de-rating
Designed for higher-torque applications including pneumatic blowers, aerial, dump, refuse, and fire/rescue equipment
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Intermittent Torque: 301-400 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical
- Output Power: 56+ HP (42+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Housing: Cast iron
- Bearings: Tapered cone on input and output shafts
- Part Number: 680ZQDAX-A3XK or 680ZQDAXA3XK
Additional Information
Parts manual and diagrams: Chelsea 680 Series PTO parts list with prices
