The Chelsea 852 Series Power Take-Off, part number 852XGAKP-D4XU or 852XGAKPD4XU, is a Hydraulic PowerShift PTO engineered for Allison automatic transmissions with 8-bolt PTO mounting apertures. The output shaft is a 1-1/2"-10T spline fitted with a 1410 series companion flange. Shaft power output runs 48 HP at 500 RPM and 95 HP at 1000 RPM. Intermittent torque rating reaches up to 500 lb-ft (678 Nm) - check application pages for actual torque ratings specific to your installation. The 852 Series features pressure lubrication as standard and offers three internal speed ratios, making it suited for vocational work including oil field, bulk transport, and fire and rescue applications. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Hydraulic PowerShift shift type for on-demand engagement
8-bolt mounting for Allison automatic transmissions
1-1/2"-10T spline output with 1410 series companion flange
Three internal speed ratios available within the 852 Series
Pressure lubrication standard
Intermittent torque up to 500 lb-ft (678 Nm) - verify actual rating on application pages
Tech Specs
- Transmission Manufacturer: Allison (8-bolt PTO mounting aperture)
- Shift Type: Hydraulic PowerShift
- Mounting Type: 8-Bolt
- 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 (500 RPM) / 95 HP (1000 RPM) | 36 kW (500 RPM) / 71 kW (1000 RPM)
- Lubrication: Pressure Lubrication Standard
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 852 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
