The Chelsea 442 Series Power Take-Off, part number 442XHAHX-A3XD or 442XHAHXA3XD, is a 6-bolt air-shift PTO built around a cast iron housing with tapered cone bearings on the output shaft. The 0.391:1 gear ratio suits applications where output speed relative to transmission input is critical. Mounting follows standard 6-bolt geometry with metric studs. The output is a 1-1/4" round standard shaft configured with no pressure lube. The 442 Series covers light-to-medium duty vocational work: dump trucks, tow trucks, service trucks, and aerial units. Cross-references for this unit include 1450-442XHAHXA3XD and S-21681. Call us to confirm proper fit for your specific transmission and application.
The 442 Series is suited for vocational applications including dump trucks, tow and recovery trucks, service trucks, and aerial units. The series supports a wide range of output configurations and internal speed ratios across the 6-bolt platform.
Features
Chelsea 442 Series, 6-bolt mounting with metric studs
Air shift actuation
0.391:1 gear ratio
1-1/4" round standard output shaft, no pressure lube
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
- Mounting Type: 6-Bolt Standard Mount with Metric Studs
- Shift Type: Air Shift
- Gear Ratio: 0.391:1
- Output Shaft: 1-1/4" Round Standard Shaft
- Lubricant: No Pressure Lube
- Input Gear Designator: AH
- Assembly: 3
Additional Information
Cross-references: 1450-442XHAHXA3XD, 1450442XHAHXA3XD, CHE-442XHAHX-A3XD, CHE442XHAHXA3XD, CHL442XHAHXA3XD, S-21681, S21681The 442 Series is suited for vocational applications including dump trucks, tow and recovery trucks, service trucks, and aerial units. The series supports a wide range of output configurations and internal speed ratios across the 6-bolt platform.