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GX430 - Built for Heavy-Duty Performance

The Honda GX430 is the latest addition to Honda’s GX engine series, designed to deliver higher power output, improved fuel efficiency, and unmatched durability. With a larger 425cc displacement, the GX430 provides class-leading performance while maintaining the reliability and ease of use that Honda engines are known for.

This engine is the perfect choice for professional-grade applications, including construction equipment, generators, pumps, pressure washers, and more. Its compact design ensures easy replacement of the GX390, allowing for a seamless upgrade without modifications to existing equipment.

Features

Efficiency

  • Superior Fuel Economy – Engineered for lower fuel consumption, reducing operating costs.
  • Optimised Load Performance – Handles higher workloads while maintaining efficiency.
  • Longer Working Hours – Larger displacement means more power with less strain, extending engine life.

Performance

  • 9.6kW Output Power – Delivers higher torque and output than its predecessor.
  • 425cc Displacement – Increased from the GX390’s 389cc for enhanced power delivery.
  • Improved Combustion Efficiency – Higher compression ratio (9.0:1) for better fuel utilisation.
  • Smooth, Consistent Operation – Features an advanced governor system for stable engine speed.

Design

  • Compact & Versatile – Same mounting compatibility as the GX390, making it an easy swap.
  • Optimised Cooling System – Redesigned components improve airflow and cooling efficiency.
  • Robust Build for Longevity – Uses Honda’s proven engineering for durability and reliability.
  • Eco-Conscious Design – Lower emissions and noise levels, ideal for urban and worksite applications.

Applications

The GX430 is ideal for a wide range of industrial and commercial applications, including:

  • Construction EquipmentConcrete mixers, power trowels, compactors, and chippers.
  • Generators – Delivers steady power output for commercial and backup power systems.
  • Water Pumps – Suitable for high-flow industrial and agricultural pumping solutions.
  • Pressure Washers – Ensures consistent power for heavy-duty cleaning applications.
  • Air Compressors – Reliable performance for workshops and construction sites.

Why Choose the Honda GX430?

  • Increased Power, Same Footprint – Fits directly onto GX390-compatible equipment.
  • Lower Fuel Consumption – More output with improved efficiency, reducing costs.
  • Unmatched Durability – Honda’s proven engineering for long-term reliability.
  • Eco-Friendly & Low Noise – Less emissions, quieter operation, and smoother performance.

Upgrade to the GX430 Today!