The Chelsea 852XBAKP-F4XS or 852XBAKPF4XS is a hydraulic PowerShift PTO assembly built for Allison transmissions. It mounts via an 8-bolt pattern and uses pressure lubrication as standard. The output shaft is a 1-1/2"-10T spline with a 1410 companion flange. Intermittent torque rating reaches 500 lb-ft (678 Nm), and output power exceeds 56 HP. At 1,000 RPM, shaft power measures 95 HP (71 kW); at 500 RPM, it delivers 48 HP (36 kW). Three speed ratios are available, confirm the correct ratio for your application before ordering. Call us to verify proper fit for your specific transmission and vehicle setup.
Features
Hydraulic PowerShift shift type for Allison transmission applications
8-bolt mounting pattern
Output shaft: 1-1/2" - 10T spline with 1410 companion flange
Intermittent torque rating: 500 lb-ft (678 Nm)
Shaft power: 95 HP (71 kW) at 1,000 RPM; 48 HP (36 kW) at 500 RPM
Pressure lubrication standard; three speed ratios available
Tech Specs
- Transmission Manufacturer: Allison
- Shift Type: Hydraulic PowerShift
- Mounting Type: 8-Bolt
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Companion Flange
- Intermittent Torque: 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
- Lubrication: Pressure lubrication standard
- Speed Ratios: Three ratios available
Additional Information
