442XRESX-W3XK Chelsea PTO Assembly

The Chelsea 442 Series Power Take-Off, part number 442XRESX-W3XK or 442XRESXW3XK, is a 6-bolt mount PTO built for light-to-medium duty vocational truck applications including dump trucks, tow trucks, and service trucks. This unit runs a 0.391:1 gear ratio with air shift actuation and delivers power through a 1-1/4" round standard output shaft. Mounting uses the standard configuration with metric studs. The housing requires no pressure lube. Tapered cone bearings on the output shaft and a cast iron housing contribute to the 442 Series' class-leading torque rating and service life. Pro Gear and Transmission carries this genuine Chelsea part. Call us to confirm proper fit for your application.

Features

Chelsea 442 Series, 6-bolt transmission mount with metric studs
Gear ratio: 0.391:1
Shift type: Air shift
Output: 1-1/4" round standard shaft
Cast iron housing with tapered cone bearings on output shaft
No pressure lube required; greaseable output shaft for extended service life
Low-profile shift cover with rotatable output flange for improved 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 Shaft: 1-1/4" Round Standard Shaft
• Lubricant: No Pressure Lube
• Input Gear Designator: AH
• Assembly: 3

Additional Information

The Chelsea 442 Series is suited for tow trucks, dump trucks, service trucks, and aerial and municipal equipment. The series supports eleven internal speed ratios and offers thirty-six output options, including Chelsea's 360-degree rotatable flange. Intermittent torque for the 442 Series ranges from 201 to 300 lb-ft; continuous torque should be de-rated per Chelsea application guidelines. Output power for the series reaches 46 to 55 HP depending on configuration. Refer to Chelsea application pages for actual torque ratings specific to your transmission and drive equipment pairing.