The Chelsea 680XSAHX-A3RK or 680XSAHXA3RK is an 8-bolt power take-off from the 680 Series, designed for medium to heavy-duty manual transmission applications including Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and others. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft for load capacity suited to higher-torque work such as pneumatic blowers. The space-saving air shift cover is a standard feature on this unit. Intermittent torque for the series is rated at 375 lb-ft (508 Nm), with continuous operation supported at a 30% de-rating. Output power for the series reaches 56+ HP. Call us to confirm proper fit for your specific transmission and application.
Features
8-Bolt mounting for most manual transmission applications including Eaton/Fuller and Mack
Cast iron housing with tapered cone bearings on the output shaft
Air shift cover design for maximum clearance under the truck
Series intermittent torque rating: 375 lb-ft (508 Nm); continuous operation with 30% de-rating
Series output: 56+ HP / 51+ kW
Suited for high-torque vocational uses including pneumatic blowers, dump, refuse, fire and rescue, and aerial applications
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Air Shift
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other manual transmissions with 8-bolt PTO aperture
- Series Intermittent Torque: 375 lb-ft (508 Nm) - check application pages for actual torque ratings
- Series Continuous Operation: Yes, with 30% de-rating
- Series Output Power: 56+ HP (51+ kW)
- Series Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Housing Material: Cast iron
- Bearing Type: Tapered cone bearings on output shaft
Additional Information
The Chelsea 680 Series is covered by the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual and the 680 Series Parts List (HY25-2660-M1_US). Applicable Parker notices include PTO-PNI-205 covering the RH output option and PTO-PNI-250 covering new 660/680 Series ratio and output options. A Detroit DT12 Adapter Owner's Manual is also available for 680 Series installations on Detroit DT12 transmissions.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
