The Chelsea 880 Series Power Take-Off (PTO) Assembly, part number 880XBAKP-A6XV or 880XBAKPA6XV, is an 8-bolt, lever mechanical shift unit rated for up to 500 lb-ft (678 Nm) intermittent torque. The output shaft is a 1-1/2"-10T spline with a 1410 Series companion flange, and the unit is compatible with Volvo/Mack, Allison, Eaton/Fuller, and other manual transmissions that use an 8-bolt aperture. Output power is rated at 56+ HP (51+ kW), with shaft power of 48 HP at 500 RPM and 95 HP at 1000 RPM. The removable shift cover simplifies backlash adjustment during installation. Designed for demanding work in bulk hauling, fire trucks, oil field service, winch, and large truck recovery applications. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission.
The 880 Series is Chelsea's heavy-duty 8-bolt PTO line, suited for constant mesh input gear applications requiring high torque at both high and low output speeds. Typical platforms include bulk haulers, fire apparatus, oil field trucks, aerial units, winch vehicles, and large recovery trucks. The cast iron housing and tapered cone bearings are characteristic of the 880 Series design for demanding, high-cycle service environments.
Features
8-bolt mounting for compatibility with most manual transmissions including Volvo/Mack, Allison, and Eaton/Fuller
Lever mechanical shift with optional air control shift availability
1-1/2"-10T spline output shaft with 1410 Series companion flange
500 lb-ft (678 Nm) intermittent torque rating; check application pages for actual torque values
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Dual-pump output allows mounting a pump on each end of the PTO
Removable shift cover for easier, more accurate backlash adjustment
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 Series 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
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The 880 Series is Chelsea's heavy-duty 8-bolt PTO line, suited for constant mesh input gear applications requiring high torque at both high and low output speeds. Typical platforms include bulk haulers, fire apparatus, oil field trucks, aerial units, winch vehicles, and large recovery trucks. The cast iron housing and tapered cone bearings are characteristic of the 880 Series design for demanding, high-cycle service environments.
