Features
8-bolt mounting for compatibility with most manual transmissions including Eaton/Fuller, Allison, and Volvo/Mack
Lever mechanical shift as standard; optional air control shift available in the 880 Series
1-1/2"-10T spline output shaft with 1410 series companion flange for driveline connection
Dual-pump output allows a hydraulic pump to be mounted on each end of the PTO
Cast iron housing with tapered cone bearings for load-bearing capability in high-torque service
Removable shift cover enables straightforward backlash adjustment during installation
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 (36 kW) at 500 RPM; 95 HP (71 kW) at 1000 RPM
- Compatible Transmissions: Volvo/Mack, Allison, Eaton/Fuller, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information

The Chelsea 880 Series is suited for on-highway and off-highway applications including bulk haulers, winch systems, fire trucks, oil field equipment, aerial platforms, and large truck recovery. The 880 Series uses constant mesh input gears for smooth engagement across high and low speed ranges. The removable shift cover simplifies backlash adjustment in the field. Output flange options across the 880 Series include SAE B, SAE C, and ISO 7652 pump flanges in addition to the 1410 driveline companion flange on this unit. For application-specific torque ratings and transmission compatibility, consult the Chelsea 880 Series application pages or call Pro Gear and Transmission.
Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.