442XXAXX-W6SQ Chelsea 442 Series PTO Assembly

The Chelsea 442 Series Power Take-Off (PTO), part number 442XXAXX-W6SQ or 442XXAXXW6SQ, is a 6-bolt mount unit built around a cast iron housing with tapered cone bearings on the output shaft. This assembly runs a 0.391:1 gear ratio, uses air shift actuation, and delivers power through a 1-1/4" round standard output shaft. Mounting is standard configuration with metric studs. The unit operates without a pressure lube system, keeping the setup straightforward. Designed for light-to-medium duty vocational work, the 442 Series suits tow trucks, dump trucks, service trucks, and small aerial applications. Call us to confirm proper fit for your transmission and application.

Features

Air shift actuation for reliable, remote engagement
0.391:1 gear ratio for this specific assembly configuration
1-1/4" round standard output shaft
Standard 6-bolt mount with metric studs
Cast iron housing with tapered cone bearings for long service life
Greaseable output shaft and rotatable output flanges for improved clearance and serviceability

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

Additional Information

The Chelsea 442 Series is engineered to work with virtually all existing 6-bolt transmission applications. The series supports eleven internal speed ratios and thirty-six output options, including Chelsea's 360-degree rotatable flange. Typical vocational applications include dump trucks, tow and recovery trucks, service trucks, snow and ice trucks, and small aerial units. The cast iron housing and tapered cone bearings are characteristic of the 442 Series platform, contributing to its torque capacity and service interval.