The Chelsea 852 Series Power Take-Off, part number 852XBAKP-B6XU or 852XBAKPB6XU, is a hydraulic PowerShift PTO built for heavy-duty applications on Allison automatic transmissions with 8-bolt PTO mounting apertures. The 852 Series features a cast iron housing, heavy-duty ball bearings on the output shaft, and a large clutch pack delivering an intermittent torque rating up to 500 lb-ft. Pressure lubrication is standard. Output options include SAE C pump flange and driveline configurations, with a 1410 Series companion flange output shaft. Three internal speed ratios and three shift options make this a flexible choice for oil field, bulk transport, and fire and rescue equipment. Call us to confirm proper fit for your application.
Features
Hydraulic PowerShift operation, designed for Allison automatic transmissions with 8-bolt PTO mounting
Cast iron housing with heavy-duty ball bearings on the output shaft
Intermittent torque rating up to 500 lb-ft (678 Nm); continuous operation available with 30% de-rating
Pressure lubrication standard
1410 Series companion flange output shaft; SAE C pump flange and driveline output options also available
Three internal speed ratios and three shift options for application flexibility
Tech Specs
- Shift Type: Hydraulic PowerShift
- Mounting Type: 8-Bolt
- Transmission Compatibility: Allison automatic transmissions
- Intermittent Torque Rating: Up to 500 lb-ft (678 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Output Shaft Type: 1410 Series Companion Flange
- Output Options: SAE C Pump Flange, Driveline
- Lubrication: Pressure lube standard
- Speed Ratios: Three available
- Shift Options: Three available
- Output Power: 56+ HP (42+ kW)
- Shaft Power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Additional Information
The Chelsea 852 Series is suited for vocational and municipal equipment, oil and gas operations, bulk transporter trucks, and fire and rescue vehicles. Parker Chelsea documents available for this series include the 272/282/852/885 Series Owner's Manual and the 852 Series Parts List (HY25-2852-M1_US). Not sure this is your part? Give us a call.Parts Manual: Chelsea 852 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
