New | A7B, Drive Unit

Cat® Augers are used for drilling holes for footings, fencing, signs, trees and shrubs in construction, agricultural, and landscaping applications. They are designed with the right amount of speed and torque for maximum productivity in a broad range of soil types.

Drive Shaft Torque at Maximum Pressure815 lb/ft
Drive MethodGerotor Motor - Direct
Mounting Bracket DesignMini Hydraulic Excavator
Bit Speed at Maximum Flow191 rpm
Drive Unit Weight (w/o Bits)179 lb
Effective Displacement24 in
Housing Diameter11 in
Overall Drive Unit Height35 in
Overall Width - With Bracket11 in
Required Hydraulic Flow75-90 L/min (20-24 gpm)
Required HydraulicsStandard Flow
Swing Range (fore/aft)36 degrees
Drive Gear Reduction1:1
Hex Output Shaft Size2 in
Optimal Hydraulic Pressure105-150 bar (1523-2176 psi)
Overall Length - With Bracket11 in
Swing Range (L/R)76 degrees

Cat® Augers Are Used To Drill Holes For Footings, Fencing, Sign Posts, Trees And Shrubs In Construction, Agricultural And Landscaping Applications.

Three Different Drive Systems, All Designed With The Right Amount Of Speed And Torque For Working In A Broad Range Of Soil Types.

  • a7b And A14b Feature A Variable Speed, Bi-directional, Gerotor Style Hydraulic Motor That Generates Optimal Bit Speed And Output Torque For Light To Moderate Duty Work.
  • a19b Features A Variable Speed, Bi-directional, Single Reduction Planetary Drive Gerotor Style Hydraulic Motor Mounted To A Planetary Gear Box For Optimal Bit Speed And Output Torque For Moderate To Heavy-duty Applications.
  • a26b Features Variable Speed, Bi-directional, Double Reduction Planetary Drive Hydraulic Gear Motor Mounted To A Planetary Gear Box For Optimal Bit Speed And Output Torque For Moderate To Heavy-duty, High Performance Drilling Requirements.

Exclusive Cat Mounting Bracket Is Common To All Cat Auger Designs. Incorporates A Full-width Torque Tube, An Articulated Joint, Cradle, And Stand. These Features Provide Superior Structural Reinforcement, Positioning Flexibility, Easy Transportation, Near-vertical Storage, And Easy Work Tool Engagement.

Articulated Joint Ensures Auger Hangs Straight, Independent Of Machine Positioning.

Mechanical Swing Stops Protect From Auger Over Swing.









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