Kubota U20-3α Mini Excavator – Overview
Compact Strength, Superior Control and Lasting Reliability
The Kubota U20-3α Mini Excavator delivers exceptional performance, control, and efficiency in a compact zero-tail swing design, making it ideal for working in tight or restricted spaces. Built for construction, landscaping, utilities, and groundwork professionals, this 2.2-tonne excavator combines reliable power with class-leading versatility and precision to handle demanding jobs with ease.
At its core, the U20-3α is powered by Kubota’s D1105-E4-BH-3EU Stage V compliant diesel engine, producing 19.6 PS (14.5 kW) of efficient, low-emission performance. This 3-cylinder, water-cooled engine delivers high torque and smooth operation, ensuring maximum digging and lifting power while keeping fuel consumption low.
The U20-3α offers a maximum digging depth of 2,540 mm, a dumping height of 2,620 mm, and a lifting capacity of up to 590 kg at ground level (over front, blade down). The zero-tail swing design allows safe, unrestricted movement in confined areas such as urban sites or alongside walls, while the variable track width, adjustable from 1,000 mm to 1,300 mm, provides excellent stability or easy passage through narrow spaces when retracted.
Kubota’s advanced hydraulic system ensures smooth, precise operation, with simultaneous control of arm, boom, bucket, and travel functions. The two-speed travel system automatically shifts between high and low speeds for better manoeuvrability and traction. The long-arm design enhances digging reach and productivity, while the dozer blade float function ensures a clean, level finish for backfilling.
Inside, the U20-3α is designed for operator comfort and efficiency. The spacious cabin provides excellent visibility, ergonomic controls, a flat floor, and low noise levels for reduced fatigue during long working hours.
Safety features include ROPS/TOPS protection, travel lock levers, and Kubota’s Anti-Theft System for enhanced on-site security. Built to Kubota’s reputation for durability and reliability, the U20-3α is engineered to deliver consistent performance and long service life.
Key Features
- Kubota D1105 Stage V diesel engine – 19.6 PS (14.5 kW) for efficient, low-emission power
- Maximum digging depth: 2,540 mm | Dumping height: 2,620 mm
- Lifting capacity: up to 590 kg at ground level (over front, blade down)
- Zero-tail swing design – ideal for confined or urban job sites
- Variable track width: 1,000–1,300 mm for stability or tight access
- Advanced hydraulic system – smooth, simultaneous operation for enhanced productivity
- Two-speed travel system – automatic shifting for improved manoeuvrability
- Long-arm design – extended reach for greater digging efficiency
- Dozer blade float function – easy ground finishing and backfilling
- Comfortable, ergonomic cab with excellent visibility and low noise
- Standard safety features – ROPS/TOPS, travel lock levers, Anti-Theft System
- Durable Kubota build for reliable, long-term performance
Specifications
| Model |
Cabin
|
Canopy
|
| Machine Weight (kg) |
2380
|
2180
|
| Power (kW/hp) |
13.5/19
|
13.5/19
|
| Max Speed (km/h) |
2.2/4.2
|
2.2/4.2
|
| Max Dig Depth (mm) |
2540
|
2540
|
| Max Reach (mm) |
4260
|
4260
|
| Max Digging Force Arm/Bucket (kN) |
13.2/18.4
|
13.2/18.4
|
| Aux Flow 1 |
35.8 l/min @ 21.6 kgf/cm2
|
35.8 l/min @ 21.6 kgf/cm2
|
| Aux Flow 2 |
N/A
|
N/A
|
| Overall width (mm) |
1300 to 1500
|
1300 to 1500
|
| Transport height (mm) |
3850
|
3850
|
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