The Chelsea 885GGAHX-P3XS or 885GGAHXP3XS is an 885 Series Power Take-Off Assembly built for heavy-duty hydraulic PowerShift applications on transmissions with an 8-bolt PTO aperture, including Eaton/Fuller, Allison, and Volvo/Mack platforms. The output shaft is a 1-1/2"-10T spline with a 1410 companion flange. Intermittent torque capacity for the 885 Series reaches up to 500 lb-ft (678 Nm); check application pages for the actual rating applicable to your installation. Shaft power delivery is rated at 48 HP (36 kW) at 500 RPM and 95 HP (71 kW) at 1000 RPM, with output power of 56+ HP (51+ kW). The cast iron housing carries a pressure lubrication provision. Available from Pro Gear and Transmission. Call us to confirm proper fit for your application.

The 885 Series PTO is suited for demanding vocational markets including oil and gas, water drilling, fire and rescue, and bulk transporter applications. Continuous operation is supported with a 30% de-rating applied. The series also offers an Electric Overspeed Control (EOC) option. Refer to Chelsea application pages to confirm the specific torque rating applicable to part number 885GGAHX-P3XS on your transmission.
Features
8-bolt mounting for compatibility with Eaton/Fuller, Allison, and Volvo/Mack transmissions
Hydraulic PowerShift (PowerShift) engagement
Intermittent torque up to 500 lb-ft (678 Nm) - verify actual rating for your application
Output shaft: 1-1/2"-10T spline with 1410 companion flange
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Cast iron housing with pressure lubrication available
Tech Specs
- Intermittent Torque: Up to 500 lb-ft (678 Nm) - Check Application Pages for Actual Torque Ratings
- Shift Type: Hydraulic PowerShift
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 48 HP (36 kW) at 500 RPM, 95 HP (71 kW) at 1000 RPM
- Output Shaft Type: 1-1/2"-10T Spline with 1410 Companion Flange
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Allison, Volvo/Mack, Other
- Housing: Cast Iron
- Lubrication: Pressure Lubrication available
Additional Information

The 885 Series PTO is suited for demanding vocational markets including oil and gas, water drilling, fire and rescue, and bulk transporter applications. Continuous operation is supported with a 30% de-rating applied. The series also offers an Electric Overspeed Control (EOC) option. Refer to Chelsea application pages to confirm the specific torque rating applicable to part number 885GGAHX-P3XS on your transmission.