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Compact Power With Unmatched Performance: Inside Kubota’s Super Mini Series Engines

Jul 23, 2025 | Engines
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When it comes to delivering dependable power in compact spaces, few engines can match the reputation of Kubota’s Super Mini Series. Designed for OEMs seeking durability, flexibility and performance, these engines are engineered with the same DNA that’s made Kubota a global leader in industrial power. Whether you’re developing new equipment or upgrading an existing platform, the Super Mini Series lineup from Kubota provides a reliable foundation that stands the test of time.

 

Rugged designs with easy integration 

At its core, the Super Mini Series is built tough – but it’s also incredibly adaptable. With compact designs that simplify installation, these engines are perfect for those looking to maximize value without sacrificing performance. Despite their small size, the Super Mini engines incorporate high-end features typically reserved for larger industrial engines. 

One standout innovation is Kubota’s original casting technology, which routes cooling water passages between cylinder bores. This supports high power density while keeping the engine running cool – ensuring long-lasting endurance and performance, even under demanding conditions. Combined with Kubota’s optimized E-TVCS (Three Vortex Combustion System), these engines also run cleaner and quieter, making them suitable for emissions-conscious applications. 

 

Models to meet every need 

The Super Mini Series lineup includes several standout models tailored to different operational needs: 

  • D902 – A naturally aspirated (NA) workhorse known for reliability and simplicity. 
  • D902-T – A turbocharged version for higher torque output and altitude compensation, ideal for more demanding environments. 
  • D902-K – Kubota’s electronic common rail model with CAN-based control, designed to future-proof your applications through advanced diagnostics and fuel optimization. 

To ensure seamless OEM integration, Kubota also offers alternative fuel options – including: 

  • WG972-G (gasoline) 
  • WG972-GL (gasoline/LPG dual fuel) 
  • WG972-N (natural gas) 

All of these models share the same footprint as the D902 from Kubota, allowing for streamlined platform development across fuel types. 

 

Ideal for versatile applications 

The Super Mini Series proves its value across a wide variety of industries and equipment categories. Key applications include: 

  • Turf Maintenance (professional mowers) 
  • Utility Vehicles (compact transporters) 
  • AWP Lifts (aerial work platforms) 
  • Stand-On Track Loaders 
  • Welders & Air Compressors 
  • Auxiliary Power Units (APUs) and Generators 
  • Hybrid Equipment 

This versatility is thanks to their compact form, efficient power delivery and broad emissions compliance (including EPA Tier 4, CARB, EU Stage V and China NR IV).

 

Quiet power with a proven legacy 

What truly sets the Super Mini Series apart is Kubota’s unwavering commitment to continuous innovation. From emissions optimization to electronic control upgrades, every iteration builds on decades of proven design. For global OEMs, export models are available, providing even more flexibility across regional standards. 

And behind every engine is the Kubota promise – high quality, lasting durability and a trusted brand reputation that enhances the value of any machine it powers.

 

Small engine, big reputation 

The Kubota Super Mini Series isn’t just a compact diesel engine – it’s a proven industrial solution engineered for real-world performance. Whether you need a reliable power source for a mower, loader or APU, these engines deliver on simplicity, strength and scalability. It’s no wonder so many OEMs turn to Kubota to power their next generation of machines. 

From turf to track loaders, the Super Mini Series is the compact power solution OEMs trust to keep machines running strong – and reputations even stronger.