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901 Series Split Shaft Gear Box

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901 Series

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Chelsea 901 Series Split Shaft gear box is designed for use on medium duty trucks that have applications requiring the torque capacity up to 500 Lbs-ft.

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The 901 Series Split Shaft gear box is designed specifically for the Class 4 through 6 trucks with automatic transmissions and one or no PTO openings on the transmission. This is a robust unit with one PTO output shaft capable of 500 lbs-ft. The 901 features four PTO output options, a 1410 Series companion flange comes standard and optional pump flanges SAE “B” 2 or 4-Bolt, “C” 2-Bolt and “C” 4-Bolt openings allowing a variety of driven equipment to be mounted. The output shaft runs at 100% of input speed. This unit is an excellent choice when you need to operate more than one piece of driven equipment. This unit can be lever or air shifted, and comes standard with a 1-3/4" - 10T input /output shaft.


  • On Highway
  • Mobile
  • Other Mobile

Features and Benefits:

  • Provides 100% of input speed
  • Mount in any orientation with the PTO shaft going to the front or rear of the vehicle
  • Air and Lever shift available, along with three direct mount flanges
  • Two Year Warranty


  • Pumper Cleaner
  • Fire and Rescue
  • Tire Service Vehicles


Intermittent Torque:

  • 501+ lb-ft
  • 501+ Nm

Mounting Type:

  • Split Shaft
  • Gear Boxes

Output Shaft Type:

  • 1410 Companion Flange
  • 1-3/4" 10T Spline

Output Power:

  • 56+ HP
  • 51+ kW

Transmission Manufacturer:

  • Other

Shift Type:

  • Lever
  • Split Shaft

Shaft Power:

  • 500 RPM: 48, 1000 RPM: 95 HP
  • 500 RPM: 36, 1000 RPM: 71 kW


  • 185 lb
  • 84 kg