442ZUDHX-S3XQ Chelsea PTO Assembly

The Chelsea 442 Series PTO Assembly, part number 442ZUDHX-S3XQ or 442ZUDHXS3XQ, is a 6-bolt mount power take-off built for light-to-medium duty vocational work. This unit runs an air shift actuator and a 0.391:1 gear ratio, with a 1-1/4" round standard output shaft. Mounting uses the standard configuration with metric studs. Lubrication is non-pressure type. The cast iron housing and tapered cone output shaft bearings are characteristic of the 442 Series, which supports applications including dump trucks, service trucks, tow trucks, and small aerial units. The 442 Series carries an intermittent torque rating of 250 lb-ft. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your transmission application.

Features

Chelsea 442 Series, 6-bolt transmission mount with metric studs
Air shift actuation
0.391:1 gear ratio
1-1/4" round standard output shaft
Cast iron housing with tapered cone output shaft bearings
Greaseable output shaft and 360-degree rotatable output flange option for clearance flexibility

Tech Specs

• Input Gear Designator: AH
• Gear Ratio: 0.391:1
• Mounting Option: Standard Mount with Metric Studs (6-Bolt)
• Shift Type: Air Shift
• Output Option: 1-1/4" Round Standard Shaft
• Assembly: 3
• Lubricant: No Pressure Lube
• Product Series: 442

Additional Information

The Chelsea 442 Series is suited for tow trucks, service trucks, dump trucks, and small aerial trucks. The series supports eleven internal speed ratios and ten shift options across its lineup, with thirty-six output configurations including Chelsea's 360-degree rotatable flange. Typical 442 Series vocational markets include aerial, fire and rescue, construction, forestry, and municipal equipment.
Parker Chelsea documents available for this series include the 442 Series Owner's Manual, 442 Series Parts List (HY25-2442-M1_US), and the Chelsea Service Manual (HY25-6442-M1/US). Contact Pro Gear and Transmission to confirm this part number fits your specific transmission.