870-XL/877-XL Series Power Take-Off (PTO)

The 870-XL & 877-XL Series PowerShift PTO for Allison 3000/4000 Transmissions with coolers or retarders. This series moves the PTO output flange rear of transmission cooler or retarder by approximately seven inches longer than the 890 Series.
870-XL/877-XL Series Highlights


  • Ease of installation with simplified output support bracketing (*ordered separate from PTO)
  • Standard Wet Spline pump flange extends PTO and pump shaft life.
  • Electronic Overspeed Control (EOC) protects driven equipment.
  • Both the 870-XL and the 877-XL feature continuous torque ratings up to 670 lbs-ft
For more information, please contact Chelsea Products Division by
phone (888-744-8785) or email (chelseacustserv@parker.com)