4" Diesel Tachometer | 4K RPM | Classic Design

SKU: L4-TC7
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$229.77
Tracks engine RPM in real time with support for alternator (R or W terminal), crank sensor, and magnetic pickup signals for broad diesel compatibility. Designed for clean integration across a wide range of diesel builds, from work trucks to custom swaps. Precision stepper motor delivers smooth, stable, and accurate readings.
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Order leaves our facility in about 2 Weeks

The Diesel Tachometer delivers clear, real-time RPM monitoring for diesel applications where dependable engine speed data matters. Designed to work with alternator signals (R or W terminal), crank sensor inputs, or magnetic pickup sensors, it integrates cleanly across a wide range of diesel builds and setups. A precision stepper motor keeps the needle smooth and steady, giving you accurate, easy-to-read RPM data without bounce or guesswork. Built with a durable housing and solid aluminum bezel, it’s made for real driving conditions and long-term use. Made in the USA and backed for life.

Track-Tested. USA-Built. Backed for Life.

Key Features:

  • Diesel Signal Compatibility — supports alternator (R/W), crank sensor, and magnetic pickup inputs
  • Accurate RPM Monitoring — real-time engine speed tracking under load
  • Flexible Installation — integrates cleanly across a wide range of diesel applications
  • Microprocessor-Driven — real-time accuracy
  • Stepper Motor Precision — smooth, accurate pointer
  • Weather-Resistant Build — built for street, track, and off-road
  • Made in the USA — backed by a lifetime warranty
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