The Chelsea 852 Series Power Take-Off, part number 852XGAKP-F6XV or 852XGAKPF6XV, is a Hydraulic PowerShift PTO built for heavy-duty Allison automatic transmission applications with 8-bolt PTO mounting apertures. The output shaft is a 1-1/2"-10T spline fitted with a 1410 companion flange. Shaft power output reaches 48 HP at 500 RPM and 95 HP at 1000 RPM, with an intermittent torque rating up to 500 lb-ft (check application pages for actual ratings). The 852 Series features a cast iron housing, heavy-duty ball bearings on the output shaft, and a large clutch pack. Pressure lubrication is standard. Three internal speed ratios are available within the series. Call us to confirm the correct ratio and output configuration for your application.

The Chelsea 852 Series suits demanding vocational markets including oil and gas, bulk transport, fire and rescue, and municipal equipment. Three internal speed ratios are available across the 852 Series lineup. Call Pro Gear and Transmission to confirm which ratio configuration is correct for your specific application.
Features
8-Bolt mounting for Allison automatic transmissions
Hydraulic PowerShift (hydraulic shift type)
1-1/2"-10T spline output with 1410 companion flange
Intermittent torque up to 500 lb-ft or 678 Nm (verify on application pages)
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Pressure lubrication standard; cast iron housing with heavy-duty ball bearings
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 (1000 RPM) / 36 kW (500 RPM), 71 kW (1000 RPM)
- Lubrication: Pressure Lube (standard)
- Continuous Operation: Yes, with 30% de-rating
Additional Information

The Chelsea 852 Series suits demanding vocational markets including oil and gas, bulk transport, fire and rescue, and municipal equipment. Three internal speed ratios are available across the 852 Series lineup. Call Pro Gear and Transmission to confirm which ratio configuration is correct for your specific application.