The Chelsea 880 Series Power Take-Off Assembly, part number 880XQAHX-A6GS or 880XQAHXA6GS, is an 8-bolt, lever mechanical shift PTO built for heavy-duty applications including fire trucks, bulk haulers, oil field equipment, aerial units, and large truck recovery. The output shaft is a 1-1/2"-10T spline with a 1410 companion flange. Intermittent torque is rated at 500 lb-ft (678 Nm) - check application pages for actual torque ratings for your specific installation. Shaft power delivery runs 48 HP at 500 RPM and 95 HP at 1000 RPM. Compatible with Volvo/Mack, Allison, Eaton/Fuller, and other 8-bolt manual transmissions, including the Eaton Endurant. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
The Chelsea 880 Series is designed for constant mesh input gears, supporting both high and low speed, high torque applications. Tapered cone bearings provide strong load-bearing performance. The 880 Series fits a wide range of heavy-duty vocational applications including bulk haulers, fire trucks, oil field equipment, aerial units, winch systems, and large recovery trucks. Compatible transmissions span Volvo/Mack, Allison, Eaton/Fuller, Daimler/Detroit, and other 8-bolt aperture manual transmissions.
Features
8-bolt mounting fits most manual transmissions with an 8-bolt aperture, including Volvo/Mack, Allison, and Eaton/Fuller
Lever mechanical shift with optional air control shift configuration
1-1/2"-10T spline output with 1410 companion flange
Intermittent torque rated at 500 lb-ft (678 Nm) - see application pages for confirmed ratings
Dual-pump output allows a hydraulic pump to be mounted on each end of the PTO
Removable shift cover enables simple, accurate backlash adjustment during installation
Tech Specs
- Intermittent Torque: 500 lb-ft (678 Nm) - Check Application Pages for Actual Torque Ratings
- Shift Type: Lever Mechanical
- Mounting Type: 8-Bolt
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Companion Flange
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 48 HP (36 kW) at 500 RPM; 95 HP (71 kW) at 1000 RPM
- Transmission Compatibility: Volvo/Mack, Allison, Eaton/Fuller, Other 8-Bolt Manual Transmissions
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 880 Series is designed for constant mesh input gears, supporting both high and low speed, high torque applications. Tapered cone bearings provide strong load-bearing performance. The 880 Series fits a wide range of heavy-duty vocational applications including bulk haulers, fire trucks, oil field equipment, aerial units, winch systems, and large recovery trucks. Compatible transmissions span Volvo/Mack, Allison, Eaton/Fuller, Daimler/Detroit, and other 8-bolt aperture manual transmissions.
Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
