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Description
PARKER / CHELSEA PTO – 871XAFJW‑B3RS
This is a Parker Chelsea 871 Series Powershift (hydraulic) Power Take‑Off (PTO), commonly used on Allison automatic transmissions in vocational and heavy‑duty truck applications.
Key Specifications
Manufacturer: Parker Chelsea
PTO Series: 871 Series
Part Number: 871XAFJW‑B3RS
Mounting: 10‑bolt transmission mount
Shift Type: 12V Electro/Hydraulic PowerShift
Input Option: Allison transmission lube (wet spline)
Output Shaft: 1‑1/4″ – 14 Tooth Wet Spline
Output Mount: SAE “C” – 2/4 bolt, rotatable
Assembly Arrangement:
Gear forward
Shaft rear
Bulge up (LS down / RS up depending on orientation)
Performance Ratings
Continuous Torque: 670 ft‑lb
Continuous Power:
128 HP @ 1000 RPM
64 HP @ 500 RPM
Gear Ratio: 24 / 40
Rotation: Bi‑directional (depends on install orientation)
Typical Applications
Dump trucks
Roll‑off trucks
Tow trucks
Refuse bodies
Any hydraulic system requiring high torque with wet spline durability
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