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Description
Chelsea 442XSAHX‑A3XD PTO
The Chelsea 442 series (including 442XSAHX‑A3XD) is a medium/heavy‑duty 6‑bolt PTO mainly used on Allison automatic transmissions for hydraulic-driven equipment.
Common Vehicle / Transmission Applications
Allison transmissions (typically):
3000 Series
4000 Series
Medium- and heavy-duty trucks:
Freightliner
International
Kenworth
Peterbilt
Mack
Truck Equipment
Dump trucks (raising beds)
Roll-off trucks (container systems)
Walking floor trailers
Live bottom trailers
Tanker pump systems
Important Fit Notes
Application depends on:
Gear ratio (affects pump speed)
Rotation (CW/CCW)
Output type (SAE, spline, keyed, etc.)
Clearance (frame + exhaust)
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