Features
8-Bolt mounting fits most manual transmissions with 8-bolt aperture, including Volvo/Mack, Allison, and Eaton/Fuller
Lever mechanical shift with removable shift cover for easier, more accurate backlash adjustment
1-1/2"-10T spline output with 1410 companion flange
Intermittent torque rating up to 500 lb-ft (678 Nm); check application pages for actual torque ratings
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM (36 kW and 71 kW respectively)
Dual-pump output allows a pump to be mounted on each end of the PTO
Cast iron housing with tapered cone bearings for heavy-duty load bearing
Tech Specs
- Intermittent Torque: Up to 500 lb-ft (678 Nm) - Check Application Pages for Actual Torque Ratings
- Shift Type: Lever Mechanical
- Mounting Type: 8-Bolt
- Compatible Transmissions: Volvo/Mack, Allison, Eaton/Fuller, Other 8-bolt aperture manual transmissions
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Companion Flange
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 48 HP (36 kW) at 500 RPM; 95 HP (71 kW) at 1,000 RPM
- Continuous Operation: Yes, with 30% de-rating
Additional Information

The Chelsea 880 Series is suited for oil and gas, aerial, mining, on-highway, and other mobile applications. Typical uses include bulk haulers, winch systems, fire trucks, oil field equipment, aerial equipment, and large truck recovery vehicles. The 880 Series features constant mesh input gears for high and low speed operation. The standard shift cover is removable for straightforward backlash adjustment in the field.
Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
