442KSAHX-A3XD Chelsea PTO Assembly

The Chelsea 442 Series Power Take-Off Assembly, part number 442KSAHX-A3XD or 442KSAHXA3XD, 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 a 0.391:1 gear ratio with air shift actuation, standard mount with metric studs, and a 1-1/4" round standard output shaft. The cast iron housing and tapered cone bearings on the output shaft contribute to the 442 Series' intermittent torque rating of 250 lb-ft. The no-pressure-lube configuration keeps installation straightforward. Greaseable output shafts and a 360-degree rotatable output flange option make fitment flexible across a wide range of chassis layouts. Call us to confirm proper fit for your transmission application.

Features

Chelsea 442 Series, 6-bolt transmission mount with metric studs
Air shift actuation for reliable, remote engagement
0.391:1 gear ratio
1-1/4" round standard output shaft (no-pressure-lube configuration)
Cast iron housing with tapered cone bearings on output shaft
Low-profile shift cover with rotatable output flange for improved clearance

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

Additional Information

The Chelsea 442 Series is designed to work with virtually all existing 6-bolt transmission applications. The 442 Series is suited for aerial, construction, forestry, fire and rescue, and vocational and municipal equipment, as well as snow and ice trucks, service trucks, dump trucks, and towing and recovery trucks. Eleven internal speed ratios and ten shift options are available across the 442 Series lineup. Shaft power output for the series is rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Intermittent torque for the series ranges from 201 to 300 lb-ft; 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, the 442 Series Parts List (HY25-2442-M1_US), and the Chelsea Service Manual (HY25-6442-M1/US).