Description
The Chelsea 442 Series Power Take-Off, part number 442KWHKX-W5XK or 442KWHKXW5XK, 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 and delivers output through a 1-1/4″ round standard shaft. Mounting uses the standard configuration with metric studs, and the lubrication setup requires no pressure lube. The cast iron housing and tapered cone bearings on the output shaft are characteristic of the 442 Series, which supports up to 36 output configurations across 11 internal speed ratios. Call us to confirm proper fit for your specific transmission application.
Features
442 Series, 6-bolt transmission mount with metric studs
0.391:1 gear ratio, air shift actuation
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 flanges 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







