The Chelsea 852 Series Power Take-Off Assembly, part number 852XBAKP-D4XV or 852XBAKPD4XV, is a Hydraulic PowerShift PTO built for Allison automatic transmissions with 8-bolt PTO mounting apertures. The output shaft is a 1-1/2"-10T spline with a 1410 companion flange, delivering 95 HP at 1,000 RPM or 48 HP at 500 RPM. Intermittent torque capacity for this series reaches up to 500 lb-ft (check application pages for actual ratings). The cast iron housing pairs with heavy-duty ball bearings on the output shaft and a large clutch pack for extended service life in demanding vocational, oil field, and municipal equipment applications. The 852 Series supports continuous operation with a 30% de-rating and features pressure lubrication as standard. Call us to confirm proper fit for your specific Allison transmission application.
The Chelsea 852 Series is built for heavy vocational markets including oil and gas, bulk transport, fire and rescue, and municipal equipment. Three internal speed ratios and three output options make this series adaptable across a wide range of Allison-equipped vehicles. Parker's 852 Series Owner's Manual and parts list (HY25-2852-M1_US) are available for reference - contact Pro Gear and Transmission for assistance locating the correct documentation for your application.
Features
Hydraulic PowerShift (PowerShift) shift type for Allison 8-bolt PTO mounting apertures
1410 companion flange output shaft with 1-1/2"-10T spline
Intermittent torque up to 500 lb-ft / 678 Nm (check application pages for actual ratings)
Shaft output: 48 HP at 500 RPM, 95 HP at 1,000 RPM
Pressure lubrication standard across the 852 Series
Cast iron housing with heavy-duty ball bearings on the 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 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 (500 RPM), 95 HP (1,000 RPM), 36 kW (500 RPM), 71 kW (1,000 RPM)
- Continuous Operation: Yes, with 30% de-rating
- Lubrication: Pressure lubrication standard
Additional Information
The Chelsea 852 Series is built for heavy vocational markets including oil and gas, bulk transport, fire and rescue, and municipal equipment. Three internal speed ratios and three output options make this series adaptable across a wide range of Allison-equipped vehicles. Parker's 852 Series Owner's Manual and parts list (HY25-2852-M1_US) are available for reference - contact Pro Gear and Transmission for assistance locating the correct documentation for your application.
