ScanGauge-D Heavy-Duty Diesel Digital Gauge & Monitor (J1939/J1708 Protocols)

The ScanGauge-D is a professional digital gauge, monitor, and diagnostic tool designed for heavy-duty diesel vehicles and equipment operating on SAE J1939 and J1708 protocols. Built for trucks, buses, construction machinery, agricultural tractors, and mining equipment, it provides critical engine and trip data in real time, helping reduce downtime, optimise fuel efficiency, and ensure regulatory compliance.

It effectively monitors your vehicle and provides real-time information crucial to managing performance and efficiency. Incorporating well over 15 digital gauges, 5 sets of trip data, and a built-in Scan Tool to read and clear trouble codes, the ScanGauge-D is more than a display—it’s a complete monitoring solution. Built to last, the ScanGauge-D is Made in the USA, built to high quality standards, and backed by a 3-year warranty.

Key Functions & Benefits

Heavy-Diesel Compatibility

• Fully supports SAE J1939 (9-Pin/Green Type II) and SAE J1708 (6-Pin/Black) diagnostic ports.
• Widely compatible with commercial trucks, buses, agricultural, mining, and construction machinery.

Real-Time Digital Gauges

• Provides real-time gauges to show you what is going on “under the hood” with more than 15 built-in digital gauges.
• Continuously monitors vital parameters such as speed, fuel economy, RPM, fuel cost, cost per KM, coolant temperature, engine load, boost pressure, battery voltage, and many more.
• Fuel Economy Gauges includes KPG / LHK / KPL / KPH: Fuel Economy & Fuel Consumption gauges.
• 4-gauge display is fully configurable, so operators can track the most important data for their application.

X-GAUGE® Customisation

• Exclusive X-Gauge feature allows users to add and program additional gauges specific to your vehicle beyond the standard set.
• Offers advanced insight into manufacturer-specific parameters, giving operators more control over monitoring their engines.

Diagnostic Trouble Code (DTC) Reading & Clearing

• Reads and Clears Engine Trouble Codes
• Shows Conditions When Trouble Was Detected (RPM, COOLANT, TEMP etc)
• Shows when onboard tests have been completed and vehicle is ready to pass emissions testing

Five Built-In Trip Computers

• Monitors everything from fuel cost to distance traveled and everything in between
• TRIP Menu with 4 Data Sets – Track Current, Today, Previous Day, and Tank data for accurate comparisons.
• TANK Trip Functions – Reset at each fill-up to calculate Distance to Empty, Time to Empty, and Fuel to Empty.
• Performance & Efficiency Metrics – View fuel economy, fuel used, maximum speed, RPM, coolant temp, and more.
• Fuel-Saving Feedback – Instant results from different driving techniques and routes can improve fuel economy by up to 30%.

Plug-and-Play Installation

• Connects directly to the vehicle’s diagnostic port with no tools required.
• Compact design mounts easily on the dashboard with the included Velcro®.