The Chelsea 852XJAKP-D4XU or 852XJAKPD4XU is a hydraulic PowerShift Power Take-Off from the Chelsea 852 Series, built for heavy-duty Allison automatic transmissions with 8-bolt PTO mounting apertures. The 852 Series uses a cast iron housing with heavy-duty ball bearings on the output shaft and a large clutch pack rated for intermittent torque up to 500 lb-ft (678 Nm). Continuous operation is supported with a 30% de-rating. Output shaft type is a 1410 Series Companion Flange. The series offers SAE C pump flange or driveline output options and pressure lubrication as standard. Typical applications include bulk transporter trucks, oil field equipment, and fire and rescue vehicles. Call us to confirm proper fit for your specific Allison transmission and chassis.
Features
Hydraulic PowerShift shift type for on-the-go engagement
8-bolt mounting for Allison automatic transmissions
Intermittent torque rating up to 500 lb-ft (678 Nm)
Continuous operation capable with 30% de-rating applied
1410 Series Companion Flange output shaft
Cast iron housing with heavy-duty ball bearings on the output shaft
Tech Specs
- Shift Type: Hydraulic PowerShift
- Mounting: 8-Bolt (Allison Automatic Transmissions)
- Intermittent Torque: Up to 500 lb-ft (678 Nm) - verify actual rating on application pages
- Continuous Operation: Yes, with 30% de-rating
- Output Shaft Type: 1410 Series Companion Flange
- Output Options: SAE C Pump Flange or Driveline
- Lubrication: Pressure Lube (standard)
- Shaft Power: 48 HP at 500 RPM / 95 HP at 1000 RPM
Additional Information
Parts Manual: Chelsea 852 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
