Honda Expands GX Series Engine Portfolio
Honda unveiled a new engine design concept at the 2025 World of Concrete trade show to expand its GX Series engine portfolio.
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| Honda iGX400 and iGX430 engines will integrate smart fuel-injection (FI) and the Honda Self-Tuning Regulator (STR) governor that works with an integrated electronic control unit (ECU) for customization and drive-by-wire remote operation with various configurable control modes. |
The Honda iGX design concept incorporates two all-new engines, the Honda iGX400 and the Honda iGX430, models that offer commercial construction customers a new level of performance, value, versatility and performance in a compact package. Providing enhanced quality, the horizontal-shaft engines will be equipped with smart fuel injection (FI) technology and an integrated electronic self-tuning regulator (STR) governor that delivers drive-by-wire remote control capability to manage key aspects of engine operation.
Expanding the Honda iGX portfolio, these compact engines are set to deliver complete drive-by-wire remote control capability for a host of heavy-duty applications.
“Honda iGX engines provide durable and flexible power, and reliable, easy operation for industry professionals who depend on the longevity of their equipment to get jobs done in high-demand, heavy-duty commercial, construction and rental applications,” said Mark Kohls, vice president of Honda Power Sports & Products. “Our new design concept solidly positions Honda Engines to produce the iGX400 and iGX430, two all-new versatile power delivery options for commercial environments, providing ease of operation as well as enhanced productivity and serviceability for OEM manufacturers, contractors, equipment operators, and Honda dealers.”
Fuel injection technology improves operating efficiencies, eliminating the engine choke, reducing fuel-associated carburetor issues, and providing easier, smoother starting after extended storage.
In addition, the Honda Self-Tuning Regulator (STR) governor minimizes engine RPM drop by electronically regulating the throttle opening, allowing the new iGX engines to regulate available power when the load changes in demanding commercial environments using concrete and construction equipment such as power screeds, hydraulic power units, concrete saws, ride-on concrete trowels, vibratory rollers, generators and pressure washers.
The Honda iGX400 and iGX430 feature a control panel with an LED indicator that informs the user about potential problems with diagnostic trouble codes. This indicator is designed either to stop the engine or alert the operator if any corrective actions need to be taken.
Comparable to the compact base frame footprints of other high-output Honda engines, the new Honda iGX engines will feature high power output and torque in a compact design. The design compatibility minimizes changing time, making it easy for users to install the new models when older engines reach the end of their service lives. The design also allows manufacturers maximum flexibility with current tooling and frames.
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