The Chelsea 442 Series Power Take-Off Assembly, part number 442XSAHX-A3XK or 442XSAHXA3XK, is a 6-bolt direct-mount, 2-gear PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. It runs a 0.391:1 gear ratio with air shift engagement, a 1-1/4" round standard output shaft, and standard mount with metric studs. The cast iron housing and tapered cone bearings deliver the torque capacity and service life the 442 Series is known for. The output shaft is greaseable, and the 360-degree rotatable output flanges allow clearance adjustments without major repositioning. No pressure lube required. Cross-references include SD761, WA20-06-5107, and TG6S-U6812-A1KX. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 442 Series, 6-bolt direct mount with metric studs
Air shift engagement, 0.391:1 gear ratio
1-1/4" round standard output shaft, greaseable for extended service life
360-degree rotatable output flanges for installation clearance flexibility
Cast iron housing with tapered cone bearings
No pressure lube required (dry sump design)
Tech Specs
- Product Series: 442
- Mounting: 6-Bolt Standard Mount with Metric Studs
- Shift Type: Air Shift
- Gear Ratio: 0.391:1
- Output Shaft: 1-1/4" Round Standard Shaft
- Input Gear Designator: AH
- Assembly: 3
- Lubricant: No Pressure Lube
- Configuration: Direct Mount, 2-Gear
