Description
The Chelsea 442 Series Power Take-Off Assembly, part number 442XUDNX-A3XD or 442XUDNXA3XD, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. This unit carries a 0.391:1 gear ratio and is equipped with air shift actuation. The mounting configuration is standard mount with metric studs, and the output is a 1-1/4″ round standard shaft. The assembly runs without pressure lubrication. A cast iron housing and tapered cone bearings on the output shaft give the 442 Series a strong torque rating and long service life. Call us to confirm proper fit for your transmission application.
Features
Chelsea 442 Series, 6-bolt transmission mount with metric studs
Air shift actuation
0.391:1 gear ratio
1-1/4″ round standard output shaft, no pressure lubrication
Cast iron housing with tapered cone bearings on output shaft
Low-profile shift cover; rotatable output flanges for improved clearance
Greaseable output shafts
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
Additional Information
The Chelsea 442 Series is suited for a wide range of vocational markets including construction, forestry, aerial, fire and rescue, and municipal equipment. Typical platform applications include snow and ice trucks, service trucks, dump trucks, and towing and recovery trucks. The 442 Series offers thirty-six output options and eleven internal speed ratios across the product line, making it one of the more versatile PTOs in the 6-bolt segment. Parker Chelsea documents available for this series include the 442 Series Owner’s Manual, 442 Series Parts List (HY25-2442-M1_US), and Chelsea Service Manual (HY25-6442-M1/US).
