Features
8-bolt mounting for compatibility with most manual transmissions including Eaton/Fuller, Volvo/Mack, and Allison
Lever mechanical shift as standard; optional air control shift available for the 880 Series
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 actual torque values
Dual-pump output design allows a hydraulic pump to be mounted on each end of the PTO
Removable shift cover with simple backlash adjustment for faster, more accurate installation
Rugged cast iron housing; tapered cone bearings for heavy load bearing capacity
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" 10-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: Eaton/Fuller, Volvo/Mack, Allison, and Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information

The Chelsea 880 Series is suited for bulk haulers, fire trucks, oil field equipment, aerial units, winch applications, and large truck recovery. The 880 Series features constant mesh input gears for reliable high- and low-speed operation. The removable shift cover simplifies backlash adjustment during installation. Compatible with a broad range of 8-bolt manual transmissions, including Eaton Endurant. Reference documents for this series include the 880 Series Owner's Manual and Parts List (HY25-2880-M1_US), as well as 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.