The Chelsea 880 Series Power Take-Off, part number 880GQAHX-A3AZ or 880GQAHXA3AZ, is an 8-bolt, lever mechanical shift PTO built for heavy-duty, high-torque applications on manual transmissions from Eaton/Fuller, Volvo/Mack, Allison, and others. The output shaft is a 1-1/2"-10T spline paired with a 1410 companion flange, rated for intermittent torque up to 500 lb-ft (678 Nm). Shaft power reaches 48 HP at 500 RPM and 95 HP at 1000 RPM. The cast iron housing and tapered cone bearings handle demanding applications including fire trucks, bulk haulers, oil field equipment, aerial units, and large recovery trucks. Dual-pump output allows a hydraulic pump to be mounted on each end of the unit. Call us to confirm proper fit for your transmission and application.
The Chelsea 880 Series is suited for bulk haulers, winch applications, fire trucks, oil field equipment, aerial units, and large truck recovery. The series features a removable shift cover for straightforward backlash adjustment, tapered cone bearings for load bearing capability, and a cast iron housing. Continuous operation is supported with a 30% de-rating applied. Output flange options across the 880 Series include SAE B, SAE C, and ISO 7652 pump flanges, as well as driveline configurations. Refer to Chelsea application pages to verify torque ratings and transmission compatibility for your specific installation. Call Pro Gear and Transmission to confirm the correct fit for your truck.
Features
8-bolt mounting, compatible with Eaton/Fuller, Volvo/Mack, Allison, and other manual transmissions
Lever mechanical shift; optional air control shift available through the 880 Series
Output shaft: 1-1/2" - 10T spline with 1410 companion flange
Intermittent torque rating: 500 lb-ft (678 Nm); check application pages for actual torque ratings
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Dual-pump output allows a hydraulic pump to be mounted on each end of the PTO
Tech Specs
- Intermittent Torque: 500 lb-ft (678 Nm) - Check Application Pages for Actual Torque Ratings
- Transmission Manufacturer: Eaton/Fuller, Volvo/Mack, Allison, Other
- Shift Type: Lever Mechanical
- Output Power: 56+ HP (51+ kW)
- Output Shaft Type: 1-1/2" - 10-Tooth Spline with 1410 Companion Flange
- Mounting Type: 8-Bolt
- Shaft Power: 48 HP (36 kW) at 500 RPM; 95 HP (71 kW) at 1000 RPM
Additional Information
The Chelsea 880 Series is suited for bulk haulers, winch applications, fire trucks, oil field equipment, aerial units, and large truck recovery. The series features a removable shift cover for straightforward backlash adjustment, tapered cone bearings for load bearing capability, and a cast iron housing. Continuous operation is supported with a 30% de-rating applied. Output flange options across the 880 Series include SAE B, SAE C, and ISO 7652 pump flanges, as well as driveline configurations. Refer to Chelsea application pages to verify torque ratings and transmission compatibility for your specific installation. Call Pro Gear and Transmission to confirm the correct fit for your truck.
Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
