Description
The Chelsea 442 Series Power Take-Off 442ZWFNX-W4RA or 442ZWFNXW4RA is a 6-bolt mount PTO with an air shift configuration and a 0.391:1 gear ratio. The output is a 1-1/4″ round standard shaft. Mounting uses standard positioning with metric studs. The unit runs without pressure lube (splash or dry-sump lubrication). Cast iron housing and tapered cone bearings on the output shaft are characteristic of the 442 Series, suited for light-to-medium duty vocational work including dump trucks, tow trucks, and service trucks. Call us to confirm proper fit for your specific transmission.
Features
Air shift actuation
0.391:1 gear ratio
1-1/4″ round standard output shaft
Standard 6-bolt mount with metric studs
No pressure lube (splash lubrication)
Cast iron housing with tapered cone bearings on output shaft
Tech Specs
- Product Series: 442
- Gear Ratio: 0.391:1
- Shift Type: Air Shift
- Mounting Option: Standard Mount with Metric Studs (6-Bolt)
- Output Option: 1-1/4″ Round Standard Shaft
- Lubricant: No Pressure Lube
- Input Gear Designator: AH
- Assembly: 3
Additional Information
The Chelsea 442 Series is designed to fit virtually all existing 6-bolt transmission applications. Typical vocational applications include dump trucks, tow trucks, service trucks, and aerial trucks. The 442 Series offers up to 36 output options including Chelsea’s 360-degree rotatable output flange, which this unit carries through its rotatable flange design for improved installation clearance. The low-profile shift cover aids fitment in tight cab or chassis environments. For detailed application fitment, refer to the Chelsea 442 Series Parts List (HY25-2442-M1_US) or the Chelsea Service Manual (HY25-6442-M1/US). Call Pro Gear and Transmission to confirm this unit matches your transmission and application.
