Description
Kubota 3-Tonne Mini Excavator: Power & Precision in a Compact Package
The Kubota 3-tonne mini excavator class, exemplified by models like the U27-4 (Zero Tail Swing) and KX030-4/KX027-4 (Conventional Tail Swing), represents the pinnacle of compact excavator technology. These machines are engineered to deliver impressive digging force, robust performance, and exceptional reliability, making them indispensable for a wide array of tasks in tight urban environments, large construction sites, and intricate landscaping projects.
Features
- Robust Kubota Diesel Engine: Powered by Kubota's renowned and efficient diesel engines (e.g., Kubota D1105-BH or V1505-E4), typically offering power output in the range of 15.4 kW to 18.5 kW (20.9 hp to 25 hp). These engines are known for their fuel efficiency, low noise and vibration, and compliance with the latest emissions standards (e.g., EU Stage V).
- Impressive Digging Performance: Despite their compact size, Kubota 3-tonne excavators deliver significant power:
- Max Digging Depth: Typically ranging from 2.74 meters to 3.21 meters (9 ft to 10 ft 6 in), allowing for deep trenching and foundation work.
- High Breakout Forces: Strong bucket and arm breakout forces (e.g., bucket tear-out force often exceeding 21 kN / 2100 kgf), enabling efficient excavation of tough materials like compacted soil, clay, and small rock.
- Versatile Tail Swing Options:
- Zero Tail Swing (ZTS) - e.g., U27-4: The boom bracket on ZTS models is positioned close to the centre, allowing the machine's tail to stay entirely within the width of its tracks during a full rotation. This is crucial for working in extremely confined spaces, alongside walls, or in urban areas where space is severely restricted.
- Conventional Tail Swing (CTS) / Reduced Tail Swing (RTS) - e.g., KX030-4/KX027-4: These models offer excellent stability and often slightly higher lifting capacities due to their design. While they have some tail overhang, it is typically minimized for improved manoeuvrability compared to larger excavators.
- Smooth & Responsive Hydraulics: Equipped with powerful hydraulic systems, often featuring two variable displacement pumps, enabling simultaneous operation of multiple functions (boom, arm, bucket, and swing) with exceptional smoothness and precision. This significantly enhances productivity and operator control.
- Enhanced Operator Comfort: Kubota prioritises operator comfort for long working hours:
- Spacious Cabin: Many 3-tonne models boast the largest cabs in their class, offering generous legroom, wide entry/exit points, and excellent all-round visibility.
- Deluxe Suspension Seat: Comfortable, adjustable suspension seating reduces fatigue.
- Ergonomic Controls: Hydraulic pilot control levers with wrist rests provide effortless and precise operation. An intuitive LCD digital display panel provides clear machine status.
- Robust & Durable Construction: Built with heavy-duty components and Kubota's renowned manufacturing quality, ensuring exceptional reliability and a long lifespan, even in demanding daily operations. Protected cylinder hoses (often routed inside the boom) reduce the risk of damage.
- Two-Speed Travel & Auto-Shift: Allows operators to switch between a slower, precise working speed and a faster travel speed (up to 4.5 km/h) for quick repositioning. Advanced models often feature an auto-shift system that automatically adjusts travel speed based on traction effort and terrain, providing smoother dozing and turning.
- Integrated Dozer Blade with Float Function: A standard dozer blade is essential for backfilling trenches and levelling. Many models include a float function, allowing the blade to follow the contour of the ground, making ground finishing work quicker and easier.
- Attachment Versatility: Kubota 3-tonne excavators are highly versatile due to their compatibility with a wide range of attachments, including various digging buckets, grading buckets, hydraulic breakers, augers, grapples, and more, significantly expanding their application scope.
- Anti-Theft System: Kubota's industry-leading anti-theft system (with programmed keys) is often a standard feature, providing enhanced security.
Applications
Kubota's 3-tonne mini excavators are highly sought after for their versatility and capability in a wide array of applications, including:
- Residential & Commercial Construction: Digging foundations for houses, extensions, and commercial buildings; creating utility trenches for water, gas, electricity, and telecommunications.
- Landscaping: Major garden redesigns, pond construction, tree planting, land clearing, and contouring.
- Utility & Municipal Works: Repairing and installing underground services, working in street-side environments, and maintaining public infrastructure.
- Demolition: Small to medium-scale demolition of concrete pads, brick walls, and other structures.
- General Groundworks: Site preparation, levelling, and backfilling on various job sites.
* Brand & model may vary depending on availability, if a specific model is required, please request in additional notes at point of order.


