Chelsea 823 Series PTO

Celsea PTO - Series 823

The Chelsea 823 Series PTO represents the peak of Parker Chelsea’s power take-off technology, delivering unmatched strength, reliability, and performance for the most demanding vocational applications.

Built with a rugged cast iron housing and tapered cone bearings on the output shaft, the Chelsea 823 Series PTO boasts the highest torque rating in the industry—up to 750 lb-ft—making it the premier choice for heavy-duty operations that require maximum power transfer.

The space-saving air shift design provides maximum under-truck clearance, while the heavy-duty tapered bearings ensure superior load-bearing capacity and long service life. The 823 Series PTO comes standard with a 1410 Series companion flange, offering dependable performance and simplified installation.

With seven internal speed ratios and four shift options, the Chelsea 823 Series PTO provides exceptional versatility across a wide range of truck configurations and hydraulic demands.

Backed by over 65 years of Parker Chelsea engineering expertise, the Chelsea 823 Series PTO is the industry’s most powerful and reliable mechanical-shift PTO, designed to enhance performance, reduce maintenance, and lower total operating costs.

Technical Specifications

  • Output Type: SAE C Pump Flange, Driveline
  • 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: Lever, Mechanical
  • Transmission Manufacturer: Allison, Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
  • Output Power: 56+ HP, 51+ kW
  • Lubricant: P = Pressure Lube, X = No Pressure Lube, W = Wet Spline
  • Output Shaft Type: SAE C (1-1/4″ – 14T) Pump Spline, 1410 Series Companion Flange, DIN 120, DIN 100
  • Mounting Type: 8-Bolt
  • Shaft Power: 48 HP (500 RPM), 95 HP (1000 RPM), 36 kW, (500 RPM) kW, 71 kW (1000 RPM)
  • Weight: 76 lb, 34.5 kg

Key Benefits

  • Extra Heavy-Duty Design – The most powerful PTO available

  • Air and Lever Shift available

  • Direct Mount Pump outputs

  • Two Year Warranty

Examples of Suitable Applications

  • Oil Field

  • Logging

  • Pumper Cleaner Trucks

  • Mining

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