The Chelsea 221ZEAHX-A4RK or 221ZEAHXA4RK is a 221 Series Power Take-Off from Parker Chelsea, designed for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. The 221 Series uses a cast iron housing with tapered cone output bearings for greater load-bearing capability than needle-bearing designs. It mounts via a 6-bolt pattern and is compatible with Allison, Eaton/Fuller, Volvo/Mack, and other transmissions. The series supports wire/cable or mechanical shift, and output options include SAE A, SAE B, SAE BB, and SAE C pump flanges as well as driveline configurations. Intermittent torque rating for the series is 250 lb-ft. Call us to confirm proper fitment for your transmission and application.
Features
Chelsea 221 Series Power Take-Off, part number 221ZEAHX-A4RK
6-bolt mounting pattern compatible with Allison, Eaton/Fuller, Volvo/Mack, and other transmissions
Cast iron housing with tapered cone output bearings for high load capacity
Intermittent torque rating of 250 lb-ft (339 Nm) for the series
Wire/cable or mechanical shift options available in the 221 Series
Output configurations include SAE A, B, BB, and C pump flanges and driveline
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
