The Chelsea 680XHAHX-P3RY or 680XHAHXP3RY is a 680 Series Power Take-Off designed for 8-bolt manual transmission applications, including Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other compatible transmissions. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft, built for higher-torque applications such as pneumatic blowers, aerial equipment, dump trucks, refuse vehicles, and fire and rescue apparatus. The series supports continuous operation with a 30% de-rating and offers output power of 56+ HP. A deep mount housing option is available for Mack transmission applications. Call us to confirm proper fit for your specific transmission and application.
Features
8-bolt mounting for medium to heavy-duty manual transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmissions
Deep mount housing option available for Mack transmission applications
Designed for higher-torque applications including pneumatic blowers and aerial equipment
Supports continuous operation with 30% de-rating; series output power 56+ HP
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other 8-bolt aperture transmissions
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Intermittent Torque: 375 lb-ft (508 Nm) - check application pages for actual torque ratings
- Continuous Operation: Yes, with 30% de-rating
- Housing Material: Cast iron
- Shift Type: Wire/Cable or Mechanical
- Output Options: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Package Dimensions: 8 x 10 x 14 in.
Additional Information
The Chelsea 680 Series is suited for vocational and municipal applications including snow and ice removal, dump trucks and trailers, refuse, service trucks, aerial, and fire and rescue. The series offers four internal speed ratios and ten shift options across thirty-two output configurations. A 360-degree rotatable flange option is available within the series for flexible pump fitment. The space-saving air shift cover is designed to maximize clearance under the truck. Reference documents include the 680 Series Parts List (HY25-2660-M1_US) and the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual, available from Parker Chelsea.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
