The Chelsea 880 Series Power Take-Off Assembly, part number 880XBAKP-A4XY or 880XBAKPA4XY, is an 8-bolt, lever mechanical shift PTO built for heavy-duty applications including bulk haulers, fire trucks, oil field equipment, aerial units, and large recovery trucks. 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) - check application pages for actual torque ratings. Shaft power is rated at 48 HP at 500 RPM and 95 HP at 1000 RPM. Compatible with Volvo/Mack, Allison, Eaton/Fuller, and other transmissions equipped with an 8-bolt aperture. Constant mesh input gears support both high and low speed operation. Call us to confirm proper fit for your transmission and application.
The Chelsea 880 Series is designed for high-torque, constant mesh input gear applications across oil and gas, aerial, mining, and on-highway vehicle markets. Typical applications include bulk haulers, winch systems, fire trucks, oil field equipment, aerial platforms, and large truck recovery. The standard lever control shift can be paired with an optional air control shift on applicable configurations. Tapered cone bearings provide strong load-bearing capability across the operating range.
Features
8-bolt mounting fits most manual transmissions with an 8-bolt aperture, including Volvo/Mack, Allison, and Eaton/Fuller
1-1/2"-10T spline output shaft with 1410 series companion flange
Intermittent torque rating up to 500 lb-ft (678 Nm) - verify against application pages for your specific setup
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
Removable shift cover simplifies backlash adjustment during installation
Tech Specs
- Intermittent Torque: 401-500 lb-ft / 501+ Nm; 500 lb-ft (678 Nm) - check application pages for actual torque ratings
- Transmission Compatibility: Volvo/Mack, Allison, Eaton/Fuller, Other
- Shift Type: Lever Mechanical
- Mounting Type: 8-Bolt
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Companion Flange
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 48 HP at 500 RPM; 95 HP at 1000 RPM (36 kW at 500 RPM; 71 kW at 1000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 880 Series is designed for high-torque, constant mesh input gear applications across oil and gas, aerial, mining, and on-highway vehicle markets. Typical applications include bulk haulers, winch systems, fire trucks, oil field equipment, aerial platforms, and large truck recovery. The standard lever control shift can be paired with an optional air control shift on applicable configurations. Tapered cone bearings provide strong load-bearing capability across the operating range.
Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
