Description
The Chelsea 442 Series Power Take-Off Assembly, part number 442ZUITX-A3XK or 442ZUITXA3XK, is a 6-bolt transmission-mount PTO built around an air shift mechanism and a 0.391:1 gear ratio. The output is a 1-1/4″ round standard shaft with no pressure lube requirement. Mounting uses standard metric studs. The cast iron housing and tapered cone bearings are characteristic of the 442 Series, making it a dependable choice for tow trucks, dump trucks, service trucks, and small aerial applications. The 442 Series carries intermittent torque ratings in the 201-300 lb-ft range and shaft power up to 48 HP at 1,000 RPM. Call us to confirm proper fit for your transmission application.
Features
Chelsea 442 Series, 6-bolt transmission mount with standard 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 bearings for long service life
Rotatable output flange and greaseable output shaft for installation flexibility
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 light-to-medium duty vocational applications including tow trucks, dump trucks, service trucks, snow and ice trucks, and small aerial trucks. The series offers 36 output options and eleven internal speed ratios across the product line. Typical 442 Series intermittent torque range is 201-300 lb-ft (301-400 Nm); check application pages for the torque rating specific to this configuration. Shaft power for the series reaches 48 HP (36 kW) at 1,000 RPM. 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). Not sure this is your part? Give us a call.
