3-3/8" Diesel Tachometer | 4K RPM | Classic Design

SKU: L3-TC6-LEG
$217.90 USD
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.
+ -
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
Download Instructions
Product reviews
Only registered users can write reviews
Customers who bought this item also bought
SKU: L2-FL2-LEG

2-1/16" Fuel Level Gauge | Programmable | 90 Degree Sweep | Classic Design

Tracks fuel level using OEM sending units with user-configurable ohm ranges up to 300 ohms for broad compatibility. Calibrates to factory or custom resistance values for accurate, consistent readings. Precision stepper motor delivers smooth, stable performance.
$124.83 USD
SKU: L2-OP6-LEG

2-1/16" Oil Pressure Gauge | 0-100 PSI | 90 Degree Sweep | Classic Design

Tracks oil pressure in real time using a high-accuracy transducer for precise lubrication system data. Helps catch pressure drops during startup, load, and performance driving. Precision stepper motor ensures smooth, stable readings.
$220.73 USD
SKU: R3-S19-LEG

3-3/8" GPS Speedometer | 100 MPH | Classic Design

Real-time, calibration-free speed using GPS satellite data. No speed sensors, gear ratios, or tire size input required—just connect 12V power, mount the antenna, and drive. Built for manual, automatic, and custom setups, with a precision stepper motor for smooth, stable readings.
$358.65 USD
SKU: R2-V1-REV

2-1/16" Volt Meter | 6-18V | Warning Light

Monitors system voltage in real time to keep battery and charging performance clear across startup, idle, and load. Helps you catch electrical issues early, while a built-in warning light adds a clear visual alert. Precision stepper motor delivers smooth, stable, and reliable readings.
$115.62 USD