BRAKE TECH TOOLS part description

• How to use the King Pin Gauge: • How to Measure King Pin Wear: • 1. Slide the round opening in the gauge over the King Pin to the “Neck” area. • If the gauge fits around the “Neck” at the minimum neck area. The king pin is worn beyond serviceable limits according to the SAE J700 standard. • 2. Slide the round opening in the gauge over the King Pin to the “Shoulder” area. • If the gauge fits around the “Shoulder” at the minimum neck area. The king pin is worn beyond serviceable limits according to the SAE J700 standard. • How to Measure King Pin Height and Squareness • 1. Place the gauge 90 degrees to the bolster plate. • If the gauge will not fit into the king pin recesses, the height of the king pin is incorrect or the king pin or bolster plate is bent, • 2. Rotate the gauge around the king pin 360 degrees to check for straightness of the king pin and bolster plate.

Features & Benefits

  • Measures both axial and lateral movement in kingpin joints
  • Dial indicator gives clear visual readout for quick diagnostics
  • Helps maintain safe steering response on fleet vehicles
  • Used during pre-alignment, DOT checks, or front-end rebuilds
  • Compact design fits tight around axle ends and steering knuckles
  • Detects premature wear without needing to disassemble suspension

Brake Tech Tools King Pin Gauge

Quickly spot excess wear with the Brake Tech Tools King Pin Gauge, an essential inspection tool for any shop maintaining commercial suspension systems. This tool measures lateral and vertical kingpin movement, giving techs a clear readout of bushing or pin wear that could affect steering stability. With its compact design and readable dial indicator, the Brake Tech Tools 106-KP1 fits into standard axle knuckle assemblies during roadside inspections or DOT prep. 

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