The Chelsea 221ZEDAX-H5XK or 221ZEDAXH5XK is a power take-off assembly from Chelsea's 221 Series, a low-speed, heavy-duty PTO line built around a cast iron housing and tapered cone output bearings. The 221 Series uses a 6-bolt mounting configuration and covers a broad range of transmission applications including Allison, Eaton/Fuller, and Volvo/Mack. Shift options in this series include wire/cable and mechanical actuation. Output choices across the series span SAE A, SAE B, and SAE C pump flanges as well as driveline configurations. The series is rated at up to 250 lb-ft intermittent torque and supports continuous operation with a 30% de-rating. Common applications include dump trucks, tow and recovery, and aerial equipment. Parker Chelsea lists the 221 Series as obsolete; call us to confirm availability and proper fit for your application.
Features
Chelsea 221 Series Power Take-Off assembly
6-bolt mounting configuration
Cast iron housing with tapered cone output bearings for heavy-duty load capacity
Up to 250 lb-ft intermittent torque rating (series specification)
Compatible transmission families include Allison, Eaton/Fuller, and Volvo/Mack
Wire/cable and mechanical shift options available within the 221 Series
Supports continuous operation with 30% de-rating
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical (series)
- Intermittent Torque: 250 lb-ft / 339 Nm (series rating; check application pages for actual rating)
- Output Power: 46-55 HP / 31-40 kW (series)
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM (series)
- Continuous Operation: Yes, with 30% de-rating
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Other (series)
- Output Types Available: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline (series)
- Housing Material: Cast iron
- Series Status: Obsolete (Parker Chelsea)
