The Chelsea 680XSAHX-P5AF is a 680 Series Power Take-Off built for 8-bolt manual transmission applications, including Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other compatible gearboxes. The 680 Series features a cast iron housing with tapered cone bearings on both the input and output shafts for strong load-bearing capability under sustained torque demands. This series is rated for intermittent torque in the 301-400 lb-ft range and supports continuous operation with a 30% de-rating. Air shift engagement keeps the cover compact, maximizing clearance beneath the truck. The 680 Series also offers a deep-mount housing option suited to Mack transmission applications. Call us to confirm proper fit for your specific transmission and pump setup.
Features
8-bolt mounting pattern fits most manual transmission apertures, including Eaton/Fuller and Mack applications
Cast iron housing with tapered cone bearings on input and output shafts
Air shift engagement with space-saving cover for maximum under-truck clearance
Intermittent torque rating: 301-400 lb-ft (501+ Nm) per 680 Series specifications
Continuous operation supported with 30% de-rating
Deep-mount housing option available for Mack transmission fitment
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Air Shift
- Housing Material: Cast Iron
- Bearing Type: Tapered Cone (input and output shafts)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other 8-bolt aperture transmissions
- Intermittent Torque: 301-400 lb-ft (501+ Nm), check application pages for actual torque rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Part Number: 680XSAHX-P5AF or 680XSAHXP5AF
Additional Information
The Chelsea 680 Series is a common PTO choice for vocational and municipal equipment including aerial work platforms, dump trucks, refuse vehicles, fire and rescue apparatus, snow and ice removal equipment, and blower and product pump installations. The series offers four internal speed ratios, ten shift options, and thirty-two output configurations, including a 360-degree rotatable flange for flexible pump positioning. Reference documents for this series 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 through Parker Chelsea.Parts manual and diagrams: Chelsea 680 Series PTO parts list with prices
Equivalent PTOs:
Matched by full model number. Check the mounting, input gear and output against the unit you are replacing before you order. Look up any Chelsea, Muncie or Bezares number on our Muncie to Chelsea PTO cross reference.
