The Chelsea 880 Series Power Take-Off Assembly, part number 880XTAHX-H4XS or 880XTAHXH4XS, is an 8-bolt, lever mechanical shift PTO built for heavy-duty, high-torque applications. It delivers up to 500 lb-ft of intermittent torque (678 Nm) and a 1-1/2"-10T spline output shaft fitted with a 1410 Series companion flange. Shaft power runs 48 HP at 500 RPM and 95 HP at 1000 RPM. The cast iron housing carries constant mesh input gears with tapered cone bearings, and the removable shift cover makes backlash adjustment straightforward. The dual-pump output allows a hydraulic pump to mount at each end of the unit. Compatible with Volvo/Mack, Allison, and Eaton/Fuller transmissions, among others. Call us to confirm proper fit for your specific transmission and application.
Features
8-bolt mounting for compatibility with most manual transmissions, including Volvo/Mack, Allison, and Eaton/Fuller
Lever mechanical shift with constant mesh input gears for reliable engagement
1-1/2"-10T spline output shaft with 1410 Series companion flange
Intermittent torque rating: 500 lb-ft (678 Nm) - verify actual rating on application pages
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Dual-pump output allows hydraulic pump mounting at both ends of the PTO
Removable shift cover simplifies backlash adjustment during installation
Tech Specs
- Intermittent Torque: 500 lb-ft / 678 Nm (Check Application Pages for Actual Torque Ratings)
- Transmission Manufacturer: Volvo/Mack, Allison, Eaton/Fuller, Other
- Shift Type: Lever Mechanical
- Output Power: 56+ HP / 51+ kW
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Series Companion Flange
- Mounting Type: 8-Bolt
- Shaft Power: 48 HP (500 RPM), 95 HP (1000 RPM) / 36 kW (500 RPM), 71 kW (1000 RPM)
Additional Information
Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
