The Chelsea 221 Series Power Take-Off, part number 221XCAJP-X3AK or 221XCAJPX3AK, is a 6-bolt mounted PTO from Parker Chelsea's 221 Series family. The 221 Series is built around a cast iron housing with tapered cone output shaft bearings for heavy load capacity. The series supports intermittent torque ratings up to 250 lb-ft (339 Nm) and is rated for continuous operation with a 30% de-rating. Output options across the series include SAE A, SAE B, and ISO 7652 pump flanges, as well as driveline configurations. Compatible transmission manufacturers for the 221 Series include Allison, Eaton/Fuller, and Volvo/Mack. Note: Parker lists the 221 Series as obsolete. Call us to confirm fitment and availability for your application.
Features
Chelsea 221 Series Power Take-Off, part 221XCAJP-X3AK or 221XCAJPX3AK
6-bolt mounting configuration
Cast iron housing with tapered cone output shaft bearings
Intermittent torque rating up to 250 lb-ft (339 Nm) across the series
Compatible with Allison, Eaton/Fuller, and Volvo/Mack transmissions
Parker Chelsea 221 Series is listed as obsolete - call us to confirm availability
Tech Specs
- Mounting Type: 6-Bolt
- Series Intermittent Torque Rating: 250 lb-ft (339 Nm) - check application pages for actual torque ratings
- Output Power (series): 46-55 HP / 31-40 kW
- Shaft Power (series): 24 HP at 500 RPM, 48 HP at 1000 RPM
- Shift Type (series): Wire/Cable or Mechanical
- Output Types (series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack
- Continuous Operation: Yes, with 30% de-rating
- Series Status: Obsolete (Parker Chelsea)
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
