442ZWFNX-W3RA Chelsea 442 Series PTO Assembly

The Chelsea 442 Series Power Take-Off 442ZWFNX-W3RA or 442ZWFNXW3RA is a 6-bolt mount PTO featuring air shift activation and a 0.391:1 gear ratio. The output is a 1-1/4" round standard shaft, and mounting uses a standard configuration with metric studs. No pressure lube is required for the output shaft end. The cast iron housing and tapered cone bearings on the output shaft are characteristic of the 442 Series, making it well-suited for light-to-medium duty vocational applications including service trucks, dump trucks, tow trucks, and aerial work trucks. Dimensions are 8.38" H x 10.38" W x 14.25" L. Call us to confirm proper fit for your transmission and chassis.

Features

Chelsea 442 Series, 6-bolt transmission mount with metric studs
Air shift activation
0.391:1 gear ratio
1-1/4" round standard output shaft, no pressure lube required
Cast iron housing with tapered cone bearings for long service life
Rotatable output flange with greaseable shaft for clearance flexibility and extended service intervals

Tech Specs

• Product Series: 442
• Input Gear Designator: AH
• Gear Ratio: 0.391:1
• Mounting Option: Standard Mount with Metric Studs
• Shift Type: Air Shift
• Output Option: 1-1/4" Round Standard Shaft
• Assembly: 3
• Lubricant: No Pressure Lube
• Mounting Bolt Pattern: 6-Bolt
• Dimensions (H x W x L): 8.38" x 10.38" x 14.25"

Additional Information

The Chelsea 442 Series is designed to fit virtually all existing 6-bolt transmission applications. The series supports light-to-medium duty vocational markets including aerial, fire and rescue, construction, forestry, and municipal equipment. Typical 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 model range, with intermittent torque ratings of 201-300 lb-ft (271-407 Nm) and output power of 46-55 HP (34-41 kW) at the series level; check application pages for the actual torque rating for this specific configuration. 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).