The Chelsea 852XBAKP-D6XU or 852XBAKPD6XU is a hydraulic PowerShift power take-off from the Chelsea 852 Series, built to fit 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 rated up to 500 lb-ft of intermittent torque. Output options include SAE C pump flange and driveline configurations, with a 1410 Series companion flange output shaft. Pressure lubrication is standard. Typical applications include oil field service, bulk transport trucks, and fire and rescue equipment. Call us to confirm proper fit and speed ratio for your specific Allison transmission application.
Features
Hydraulic PowerShift (hydraulic shift type) for Allison 8-bolt automatic transmissions
Cast iron housing with heavy-duty ball bearings on the output shaft
Intermittent torque rating up to 500 lb-ft (678 Nm)
Output options: SAE C pump flange or driveline, with 1410 Series companion flange
Pressure lubrication standard
Suited for oil field, bulk transport, and fire and rescue applications
Tech Specs
- Shift Type: Hydraulic PowerShift
- Transmission Mounting: Allison automatic, 8-bolt PTO aperture
- Intermittent Torque Rating: up to 500 lb-ft (678 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Output Type: SAE C Pump Flange or Driveline
- Output Shaft: 1410 Series Companion Flange
- Shaft Power: 48 HP at 500 RPM, 95 HP at 1000 RPM
- Lubrication: Pressure lube standard
- Housing: Cast iron
Additional Information
Parts Manual: Chelsea 852 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
