The Chelsea 442 Series Power Take-Off, part number 442ZSAHX-A3FF or 442ZSAHXA3FF, is a 6-bolt transmission-mount PTO built for light-to-medium duty vocational applications including dump trucks, service trucks, tow trucks, and aerial units. This unit runs an air shift actuation and a 0.391:1 gear ratio, with a 1-1/4" round standard output shaft. Mounting uses the standard configuration with metric studs, and lubrication is splash-type with no pressure lube circuit required. The cast iron housing pairs with tapered cone bearings on the output shaft. The 442 Series carries an intermittent torque rating of 250 lb-ft for the series; confirm your specific application's torque requirement before ordering. Call us to verify proper fitment for your transmission.
Features
Air shift actuation for reliable remote engagement
0.391:1 gear ratio
1-1/4" round standard output shaft
Standard 6-bolt mount with metric studs
No pressure lube required (splash lubrication)
Cast iron housing with tapered cone bearings on the output shaft
Low-profile shift cover
Rotatable output flanges for improved installation clearance
Greaseable output shafts
Tech Specs
- Product Series: 442
- Gear Ratio: 0.391:1
- Shift Type: Air Shift
- Mounting Option: Standard Mount with Metric Studs
- Output Option: 1-1/4" Round Standard Shaft
- Assembly: 3
- Lubricant: No Pressure Lube (splash lubrication)
- Input Gear Designator: AH
- Series Mounting: 6-Bolt
