Speedhut 3-3/8" 6K RPM Shift-light Diesel Tachometer (R3-TC7-REV)
The Speedhut 3-3/8" 6K RPM Shift-light Diesel Tachometer (R3-TC7-REV) is engineered for precise RPM monitoring in diesel engines. With a measurement range of up to 6,000 RPM, it delivers accurate and real-time feedback essential for effective engine management. Designed specifically to interpret Hertz-based signals, this tachometer ensures compatibility with diesel engine systems. The integrated shift light provides a visual cue for optimal gear shifting, helping to enhance fuel efficiency and reduce engine strain. Its standard 3-3/8 inch (85mm) size fits common dashboard openings, making installation straightforward. This unit includes both a 3 ft power and lighting harness and an 8 ft Hertz tachometer signal harness, enabling seamless integration into your vehicle’s electrical system.
KEY FEATURES AND BENEFITS:
Accurate Diesel RPM Monitoring: Displays real-time engine speed up to 6,000 RPM, crucial for performance and maintenance.
Integrated Shift Light: Alerts the driver to optimal shift points, promoting better fuel efficiency and engine longevity.
Diesel Engine Compatibility: Reads Hertz-based signals from diesel engine control systems for reliable operation.
Standard Gauge Size: 3-3/8 inch (85mm) diameter fits many dashboard configurations with ease.
Complete Wiring Kit: Includes 3 ft power & lighting harness and 8 ft Hertz signal harness for simple and secure installation.
Standard or Metric: Standard
Gauge Type: Tachometer
Tachometer Signal Type: Diesel (Hertz)
Range: 0 – 6,000 RPM
Size: 3 3/8 inch (85mm)
Hole Size: 3.33 inches (85mm)
Internal Shift Light: Yes
3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
8 ft Htz Tachometer Harness (LED Lit)
Preparation: Turn off the vehicle and disconnect the battery. Select a mounting location with a 3.33-inch (85mm) diameter opening.
Mounting the Gauge: Insert the tachometer into the hole and secure it with mounting hardware.
Wiring Connections (Power & Lighting): Connect the 3 ft harness to a 12V ignition-switched source, ground, and optionally the lighting circuit.
Wiring Connections (Tachometer Signal): Connect the 8 ft Hertz harness to the RPM signal output wire on your diesel engine’s control unit.
Shift Light Adjustment: If available, set the RPM threshold for the shift light using the dial or button on the gauge.
Testing: Reconnect the battery, start the engine, and confirm accurate RPM readings and shift light function.
Final Adjustments: Ensure secure mounting and neatly route all wiring to prevent interference or damage.
BENEFITS OF USING THE SPEEDHUT 3-3/8" 6K RPM SHIFT-LIGHT DIESEL TACHOMETER (R3-TC7-REV):
Provides accurate RPM feedback for better engine monitoring and control.
Helps optimize gear shifts with a built-in shift light, improving fuel efficiency.
Supports diesel applications where factory RPM displays may be lacking.
Offers simple installation with standard sizing and included wiring harnesses.
Improves situational awareness while driving and helps prevent engine over-revving.
Provides precise monitoring of diesel engine RPM up to 6,000.
Equipped with an internal shift light to signal optimal gear change points.
Designed specifically to read Hertz-based RPM signals from diesel engines.
Fits standard 3-3/8 inch (85mm) dashboard openings for easy integration.
Includes a dedicated 8 ft Hertz tachometer harness for reliable signal connection.
Comes with a 3 ft power and lighting harness for straightforward electrical hookup.
Offers a clear and easily readable display for instant RPM information.
Product identification
- Brand: Speedhut
- Model / MPN: R3-TC7-REV
