The Chelsea 885 Series Power Take-Off, part number 885GMAHX-A3XS or 885GMAHXA3XS, is an 8-bolt hydraulic PowerShift PTO engineered for heavy-duty vocational truck applications on Allison, Eaton/Fuller, Volvo/Mack, and other transmissions with an 8-bolt PTO aperture. The cast iron housing and heavy-duty ball bearings on the output shaft support intermittent torque ratings from 401 to 500 ft-lbs. Output options include an SAE C pump flange (1-1/4 in. - 14T spline) and a 1410 Series companion flange. The series supports continuous operation with a 30% de-rating. Shaft power reaches 48 HP at 500 RPM and 95 HP at 1,000 RPM. Call Pro Gear and Transmission to confirm proper fit for your specific transmission and application.
Interchanges:
- SP885GMAHX-A3XS
Features
8-bolt mounting for Allison, Eaton/Fuller, Volvo/Mack, and other compatible transmissions
Hydraulic PowerShift (air-actuated) engagement
Intermittent torque rating up to 500 ft-lbs (678 Nm)
Cast iron housing with heavy-duty ball bearings on the output shaft
Two output options: SAE C pump flange (1-1/4 in. - 14T spline) or 1410 Series companion flange
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM; continuous operation supported with 30% de-rating
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Hydraulic PowerShift
- Intermittent Torque: 401-500 ft-lbs (up to 678 Nm; verify actual rating on application pages)
- Continuous Operation: Yes, with 30% de-rating
- Output Shaft Type: SAE C (1-1/4 in. - 14T) Pump Spline; 1410 Series Companion Flange
- Output Power: 56+ HP (42+ kW)
- Shaft Power: 48 HP at 500 RPM; 95 HP at 1,000 RPM
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, and others with 8-bolt PTO aperture
- Lubricant Options: Pressure Lube or No Pressure Lube
- Dimensions (H x W x L): 15.75 in. x 12.5 in. x 14 in.
