The Chelsea 880 Series Power Take-Off, part number 880XMAHX-M6XY or 880XMAHXM6XY, is an 8-bolt, lever mechanical shift PTO built for heavy-duty, high-torque applications. The output shaft is a 1-1/2"-10T spline with a 1410 companion flange, rated for intermittent torque up to 500 lb-ft (678 Nm) - check application pages for your specific rating. Shaft power output is 48 HP at 500 RPM and 95 HP at 1,000 RPM. The cast iron housing carries tapered cone bearings, and the removable shift cover simplifies backlash adjustment. Compatible with Volvo/Mack, Allison, and Eaton/Fuller transmissions, among others. Typical applications include fire trucks, bulk haulers, oil field equipment, winch systems, and large recovery trucks. Call us to confirm proper fit for your transmission.
The Chelsea 880 Series is designed for high and low speed, high torque service in demanding on-highway and off-highway applications. Common markets include oil and gas, aerial, mining, and on-highway vehicles. Typical applications include bulk haulers, fire trucks, oil field equipment, winch systems, aerial units, and large truck recovery. The 880 Series PTO features constant mesh input gears and tapered cone bearings for sustained load-bearing performance. The removable shift cover makes backlash adjustment straightforward. Available reference documents include the 880 Series Owner's Manual, 880 Series Parts List (HY25-2880-M1_US), and the Chelsea Service Manual (HY25-6880-M1/US).
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 configuration
1-1/2"-10T spline output shaft with 1410 series companion flange
Intermittent torque capacity up to 500 lb-ft (678 Nm) - verify rating on application pages
Shaft power: 48 HP (500 RPM) and 95 HP (1,000 RPM)
Dual-pump output allows mounting a pump on each end of the PTO
Tech Specs
- Intermittent Torque: Up to 500 lb-ft / 678 Nm (check application pages for actual torque rating for your specific unit)
- Transmission Compatibility: Volvo/Mack, Allison, Eaton/Fuller, and other manufacturers
- Shift Type: Lever mechanical
- Output Shaft Type: 1-1/2" - 10T spline with 1410 series companion flange
- Mounting Type: 8-bolt
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 48 HP (500 RPM), 95 HP (1,000 RPM) / 36 kW (500 RPM), 71 kW (1,000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 880 Series is designed for high and low speed, high torque service in demanding on-highway and off-highway applications. Common markets include oil and gas, aerial, mining, and on-highway vehicles. Typical applications include bulk haulers, fire trucks, oil field equipment, winch systems, aerial units, and large truck recovery. The 880 Series PTO features constant mesh input gears and tapered cone bearings for sustained load-bearing performance. The removable shift cover makes backlash adjustment straightforward. Available reference documents include the 880 Series Owner's Manual, 880 Series Parts List (HY25-2880-M1_US), and the Chelsea Service Manual (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.
