The Chelsea 852XGAKP-B4XS or 852XGAKPB4XS is an 852 Series Hydraulic PowerShift Power Take-Off assembly built for Allison automatic transmissions with 8-bolt PTO mounting apertures. The 852 Series features 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 - check application pages for actual torque ratings). Output is delivered through a 1-1/2"-10T spline with a 1410 Series companion flange. Shaft power at 1,000 RPM reaches 95 HP (71 kW). Three internal speed ratios are available within the 852 Series, and pressure lubrication is standard. Typical applications include bulk transporter trucks, oil field service, and fire and rescue equipment. Call us to confirm proper fitment for your specific Allison transmission configuration.
Features
Hydraulic PowerShift (PowerShift) shift type for Allison 8-bolt transmission mounting
1410 Series companion flange output on a 1-1/2"-10T spline shaft
Intermittent torque rating up to 500 lb-ft / 678 Nm (check application pages for actual torque ratings)
Shaft power: 48 HP (36 kW) at 500 RPM, 95 HP (71 kW) at 1,000 RPM
Three internal speed ratios available within the 852 Series
Pressure lubrication standard; cast iron housing with heavy-duty ball bearings on output shaft
Tech Specs
- Transmission Manufacturer: Allison
- Mounting Type: 8-Bolt
- Shift Type: Hydraulic PowerShift
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Series Companion Flange
- Intermittent Torque: Up to 500 lb-ft / 678 Nm (Check Application Pages for Actual Torque Ratings)
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 48 HP (36 kW) at 500 RPM; 95 HP (71 kW) at 1,000 RPM
- Continuous Operation: Yes, with 30% de-rating
Additional Information