The Chelsea 852 Series PTO is a powerful 8-bolt hydraulic powershift power take-off built to deliver exceptional torque, durability, and performance in heavy-duty applications. As one of the workhorses of the Parker Chelsea lineup, the 852 Series showcases the strength and reliability that make Chelsea the industry standard.
Featuring a rugged cast iron housing, heavy-duty ball bearings on the output shaft, and a large-capacity clutch pack, the Chelsea 852 Series PTO delivers up to 500 lb-ft of torque while ensuring long service life under continuous operation.
With three output options, three internal speed ratios, and three shift configurations, the 852 Series PTO offers the flexibility to meet a wide range of truck and hydraulic system requirements.
Backed by more than 65 years of Parker Chelsea innovation, the 852 Series provides the power, dependability, and performance demanded by today’s toughest vocational trucks—helping you increase productivity and reduce total operating costs.
Technical Specifications
- Intermittent Torque: 401 to 500 lb-ft, 501+ Nm, 500 lb-ft (Check Application Pages for Actual Torque Ratings), 678 Nm (Check Application Pages for Actual Torque Ratings)
- Continuous Operation: Yes with 30% de-rating
- Shift Type: Hydraulic, PowerShift (Hydraulic)
- Output Power: 56+ HP, 51+ kW
- Output Type: SAE C Pump Flange, Driveline
- Output Shaft Type: 1410 Series Companion Flange
- Transmission Manufacturer: Allison
- Lubricant: P = Pressure Lube
- Mounting Type: 8-Bolt
- Shaft Power: 48 HP (500 RPM), 95 HP (1000 RPM), 36 kW, (500 RPM) kW, 71 kW (1000 RPM)
- Weight: 88 lb, 40 kg
Key Benefits
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Three speed ratios to choose from
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Pressure lubrication standard
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Designed for heavy duty applications
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Two Year Warranty
Examples of Suitable Applications
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Oil Field Application
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Bulk Transporter Trucks
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Fire and Rescue
Let's Talk 
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