The Chelsea 221ZEAKP-M4XY or 221ZEAKPM4XY is a power take-off unit from Chelsea's 221 Series, a heavy-duty PTO line built around a cast iron housing and tapered cone output shaft bearings. The 221 Series mounts via a 6-bolt pattern and is compatible with Allison, Eaton/Fuller, Volvo/Mack, and other transmission families. Shift type on this series is wire/cable or mechanical. The series carries an intermittent torque rating of 250 lb-ft (339 Nm) and supports continuous operation with a 30% de-rating. Typical applications include dump trucks, tow and recovery, and aerial equipment. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 221 Series power take-off, part number 221ZEAKP-M4XY or 221ZEAKPM4XY
6-bolt mounting pattern
Cast iron housing with tapered cone output shaft bearings for heavy load capacity
Intermittent torque rating: 250 lb-ft (339 Nm) series rating
Wire/cable or mechanical shift type
Compatible with Allison, Eaton/Fuller, Volvo/Mack, and other transmission manufacturers
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
