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870 Series PowerShift Power Take-Off

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870 Series

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The continuous torque rating of the Chelsea 870 Series PowerShift PTO allows you to obtain maximum available HP per an Allison 10-Bolt transmission (up to 670 lbs-ft), increasing your revenue through the increased power available from your equipment.

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Power density is for what the Chelsea 870 Series Hydraulic Power Take-Offs (PTOs) for Allison automatic transmission are known for. This series utilizes a compact housing that helps eliminate clearance issues but employs robust moving parts to ensure the best performance. It is available only for 10-Bolt applications that have a high torque requirement and a demanding work load. This PTO solution offers two assembly arrangements to maximize installation clearance. High capacity bearings and superior gear designs provide torque ratings up to 670 lbs-ft for the ultimate performance. There is no need to de-rate the PTO for continuous applications. The continuous torque rating of the 870 series PTO reduces the likelihood of failure as the PTO is no longer the weakest part of the system which will reduce the external spend on field service.

The 870 Series 10-Bolt powershift PTO features six shift options, four of which are integrated into the PTO housing that require one hose for a simplified installation - the hose is included with the PTO. Our popular Electronic Overspeed Control (EOC) is also available to protect the PTO and driven equipment. Eight internal gear ratios provide a wide variety of speeds to meet virtually all application requirements. Direct mount pump flange options are also available with our Wet Spline Technology that provides increased PTO and pump shaft life. Versatility, power, ease of maintenance and installation make the 870 Series the BEST choice for Snow & Ice, Refuse, Aerial, and Defense truck requirements. 


  • Aerial
  • Defense
  • On-Highway
  • Other Mobile

Features and Benefits:

  • Compact housing height reduces clearance issues
  • Integral actuation valve simplifies plumbing and reduces installation time
  • Wet Spline Technology to extend PTO & pump shaft life
  • Electronic Overspeed Control (EOC) protects driven equipment
  • Two Year Warranty


  • Fire & Rescue Trucks
  • Pumper Cleaner
  • Oil & Gas
  • Refuse Trucks
  • Snow & Ice

Continuous Torque:

  • 670 lb-ft (Check Application Pages for Actual Torque Ratings)
  • 908 Nm (Check Application Pages for Actual Torque Ratings)

Mounting Type:

  • 10-Bolt

Output Shaft Type:

  • Rotatable Pump Flange

Output Power:

  • 56+ HP
  • 51+ kW

Transmission Manufacturer:

  • Other
  • Allison

Shift Type:

  • Hydraulic
  • PowerShift (Hydraulic)

Shaft Power:

  • 500 RPM: 64, 1000: RPM 128 HP
  • 500 RPM: 48, 1000: RPM 95 kW


  • 56 lb
  • 25 kg