The Chelsea 880XBAHP-M5XS or 880XBAHPM5XS is an 8-bolt, heavy-duty power take-off assembly from the Chelsea 880 Series, designed for high-torque, high and low speed applications. Lever mechanical shift is standard. The output shaft is a 1-1/2"-10T spline with a 1410 Series companion flange, delivering up to 500 lb-ft intermittent torque and shaft power ratings of 48 HP at 500 RPM and 95 HP at 1,000 RPM. Compatible with Volvo/Mack, Allison, and Eaton/Fuller transmissions, among others. The removable shift cover simplifies backlash adjustment. Dual-pump output allows a hydraulic pump to be mounted on each end of the unit. A genuine Chelsea part, available from Pro Gear and Transmission. Call us to confirm proper fit for your application.

The Chelsea 880 Series is engineered for demanding on-highway and off-highway work including bulk haulers, fire trucks, oil field equipment, winch applications, aerial units, and large truck recovery. Cast iron housing and tapered cone bearings support heavy loads across high-torque duty cycles. Continuous operation is supported with a 30% de-rating. The 880 Series is also available for the Eaton Endurant transmission.
Features
8-Bolt mounting for most compatible manual transmissions
Lever mechanical shift, standard configuration
1-1/2" - 10T spline output with 1410 Series companion flange
Intermittent torque rated at 500 lb-ft (678 Nm); check application pages for actual ratings
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM
Dual-pump output lets you mount a pump on each end of the PTO
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 at 500 RPM, 95 HP at 1,000 RPM (36 kW at 500 RPM, 71 kW at 1,000 RPM)
- Transmission Compatibility: Volvo/Mack, Allison, Eaton/Fuller, Other
Additional Information

The Chelsea 880 Series is engineered for demanding on-highway and off-highway work including bulk haulers, fire trucks, oil field equipment, winch applications, aerial units, and large truck recovery. Cast iron housing and tapered cone bearings support heavy loads across high-torque duty cycles. Continuous operation is supported with a 30% de-rating. The 880 Series is also available for the Eaton Endurant transmission.