The Chelsea 880XMDAX-P5XS or 880XMDAXP5XS is an 8-bolt, heavy-duty Power Take-Off Assembly from the Chelsea 880 Series, designed for high-torque, high and low speed applications. It uses a lever mechanical shift and delivers up to 500 lb-ft intermittent torque, with shaft power rated at 48 HP at 500 RPM and 95 HP at 1000 RPM. The output shaft is a 1-1/2"-10 spline with a 1410 companion flange. Constant mesh input gears and tapered cone bearings handle demanding loads across applications including bulk haulers, fire trucks, oil field equipment, winch systems, and large recovery trucks. Compatible with Volvo/Mack, Allison, Eaton/Fuller, and other transmission families. A genuine Chelsea part available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
The Chelsea 880 Series is suited for oil and gas, aerial, mining, on-highway, and other mobile markets. Typical applications include bulk haulers, winch systems, fire trucks, oil field equipment, aerial platforms, and large truck recovery vehicles. The 880 Series supports continuous operation with a 30% de-rating. Compatible transmissions span Volvo/Mack, Allison, Eaton/Fuller, Daimler/Detroit, and other manufacturers. The 880 Series parts list is published as HY25-2880-M1_US and the service manual as HY25-6880-M1/US.
Features
8-Bolt mounting for compatibility with most manual transmission apertures of this class
Lever mechanical shift with optional air control shift configuration available
1-1/2"-10 spline output shaft with 1410 series companion flange
Intermittent torque rating up to 500 lb-ft (678 Nm); check application pages for your specific rating
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Removable shift cover allows accurate backlash adjustment; cast iron housing; dual-pump output for mounting a pump on each end
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Lever Mechanical
- Output Shaft Type: 1-1/2" - 10-Spline with 1410 Series Companion Flange
- Intermittent Torque: Up to 500 lb-ft (678 Nm) - Check Application Pages for Actual Torque Ratings
- 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
- Mounting Aperture: 8-Bolt
Additional Information
The Chelsea 880 Series is suited for oil and gas, aerial, mining, on-highway, and other mobile markets. Typical applications include bulk haulers, winch systems, fire trucks, oil field equipment, aerial platforms, and large truck recovery vehicles. The 880 Series supports continuous operation with a 30% de-rating. Compatible transmissions span Volvo/Mack, Allison, Eaton/Fuller, Daimler/Detroit, and other manufacturers. The 880 Series parts list is published as HY25-2880-M1_US and the service manual as HY25-6880-M1/US.
Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
