442XWAHX-A5XK Chelsea PTO Assembly

The Chelsea 442 Series Power Take-Off Assembly, part number 442XWAHX-A5XK or 442XWAHXA5XK, is a 6-bolt, standard-mount PTO with metric studs designed for light-to-medium duty vocational truck applications including tow trucks, dump trucks, and service trucks. This unit carries a 0.391:1 gear ratio and uses air shift actuation. The output is a 1-1/4" round standard shaft with no pressure lube required. The cast iron housing and tapered cone output shaft bearings are characteristic of the 442 Series, supporting intermittent torque ratings up to 300 lb-ft. The 360-degree rotatable output flange aids clearance in tight installations. Call us to confirm proper fit for your transmission application.

Features

442 Series, 6-bolt standard mount with metric studs
Air shift actuation
0.391:1 gear ratio
1-1/4" round standard output shaft, no pressure lube required
Cast iron housing with tapered cone output shaft bearings
360-degree rotatable output flange for installation clearance

Tech Specs

• Product Series: 442
• 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

Additional Information

The Chelsea 442 Series is suited for aerial, construction, forestry, fire and rescue, and vocational and municipal equipment applications. Typical installations include snow and ice trucks, service trucks, dump trucks, and towing and recovery trucks. The 442 Series offers eleven internal speed ratios and up to thirty-six output options across the product family, including the 360-degree rotatable flange option present on this assembly. 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).