442ZQDAX-W3XK Chelsea PTO Assembly

The Chelsea 442 Series Power Take-Off Assembly, part number 442ZQDAX-W3XK or 442ZQDAXW3XK, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. This unit runs an air shift, a 0.391:1 gear ratio, and a 1-1/4" round standard output shaft. Mounting uses standard metric studs. No-pressure lube (splash) lubrication keeps the design simple and low-maintenance. The cast iron housing and tapered cone output shaft bearings are characteristic of the 442 Series and contribute to its service life in demanding work cycles. Call us to confirm proper fit for your transmission application.

Features

Chelsea 442 Series, 6-bolt mounting with standard metric studs
Air shift activation
0.391:1 gear ratio
1-1/4" round standard output shaft
Cast iron housing with tapered cone bearings on the output shaft
Low-profile shift cover; 360-degree rotatable output flange for installation clearance

Tech Specs

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

Additional Information

The Chelsea 442 Series is suited for a range of vocational markets including aerial, construction, forestry, fire and rescue, and municipal equipment. Typical truck applications include snow and ice trucks, service trucks, dump trucks, and towing and recovery trucks. The 442 Series offers eleven internal speed ratios and thirty-six output options across the full product line, making it adaptable across a wide range of transmission configurations. This specific assembly (442ZQDAX-W3XK or 442ZQDAXW3XK) specifies the AH input gear designator, air shift, 0.391:1 ratio, standard mount with metric studs, and a 1-1/4" round standard shaft output. Not sure this is the right PTO for your application? Give us a call and we can help confirm fit.