Mini Digger Excavator
2-ton mini excavator digger machine, also known as mini crawler excavator, micro excavator and mini backhoe, acts as cost-effective substitute for hyundai excavator. This excavator small digger has retractable tracks, zero tail swing and Kubota power unit, with key parameters of 2000kg weight and 2270mm max digging depth. Suitable for landscaping, house renovation, orchard and municipal construction. Full export certifications, customizable accessories and complete after-sales spare parts service are available.
Large excavators are too bulky for backyard gates, and cheap mini backhoe units lack the hydraulic power needed for real construction. The Derette RT20 fills the gap. As a premium mini crawler excavator, it combines the agility of a micro excavator with the digging force of a much larger machine. Whether you are trenching in a confined alley or grading a commercial landscape, the RT20 delivers hyundai excavator class precision without the massive footprint.
Four Core Technical Advantages
Tier-1 Heart — The Power of Kubota Headline: Why Settle for Less? Genuine Kubota D902 / Yanmar Engine. Content: At the core of this mini excavator digger machine lies the world-renowned Kubota D902 diesel engine. Fully compliant with EPA Tier 4 and Euro V standards, it provides the steady, high-torque output required for stubborn soil. Unlike generic excavator small digger models, Derette ensures your machine is ready for global export and local serviceability.
Narrow Access Mastery — Retractable Undercarriage Headline: The Micro Excavator That Fits Through a 1-Meter Gate. Content: Don't let tight fences stop your project. The RT20 features a hydraulic retractable chassis, allowing you to shrink the width to just 990mm. Once inside the job site, expand it to 1300mm for maximum stability. It’s the versatility of a mini backhoe with the specialized stability of a mini crawler excavator.
Zero-Tail Swing & Side Swing Boom Headline: Work Against the Wall with Confidence. Content: Residential landscaping often means working flush against foundations and fences. Our True Zero-Tail Swing design means the house stays safe while you work. Combined with the side-swing boom, this excavator small digger allows you to dig parallel to tracks in corners where others simply can’t reach.
Engineered for Longevity — Smart Protection Headline: Designed by Operators, for Operators. Content: We’ve moved the boom cylinder to the top to eliminate collision damage. We’ve hidden the hydraulic hoses inside the boom to prevent snagging. This isn't just another mini excavator digger machine; it’s a long-term asset designed to minimize downtime and maximize ROI.
Full Dual Metric & Imperial Technical Specification Table
| Parameter | Metric | U.S. |
| Key Specifications | ||
| Operating Weight | 2000 Kg | 4409 Lb |
| Bucket Capacity | 0.04 m³ | 1.413 ft³ |
| Dimensions | 3575*990*2405 mm | 140.7*38.9*94.7 in |
| Ground Pressure | 29 kPa | 4.21 psi |
| Engine | ||
| Engine Model | Kubota D902 or Yanmar 3TNV74 | Kubota D902 or Yanmar 3TNV74 |
| Rated Power | 11.8 kW | 16 Hp |
| Rated Speed | 2300 rpm | 2300 rpm |
| Displacement | 0.898 L | 0.237 gal |
| Performance | ||
| Bucket Digging Force | 16 kN | 3596.93 lbf |
| Arm Digging Force | 9.5 kN | 2135.68 lbf |
| Swing Speed | 9.5 r/min | 9.5 rpm |
| Travel Speed | 2.2/4.3 km/h | 1.37/2.67 mph |
| Gradeability | 58% (30°) | 58% (30°) |
| Minimum Ground Clearance | 145 mm | 5.7 in |
| Wheelbase | 1230 mm | 48.4 in |
| Track Gauge | 760 / 1070 mm | 29.9 / 42.13 in |
| Chassis Width | 990 / 1300 mm | 38.9 / 51.2 in |
| Maximum Digging Height | 3570 mm | 140.5 in |
| Maximum Dumping Height | 2480 mm | 97.6 in |
| Maximum Digging Depth | 2270 mm | 89.4 in |
| Maximum Digging Radius | 3910 mm | 153.9 in |
| Hydraulic System | ||
| Rated Working Flow | 64.4 L/min | 17.01 gpm |
FAQ
Q: Can this mini crawler excavator be used as a mini backhoe?
A: Absolutely. With its powerful arm digging force and various bucket sizes, the RT20 excels in all mini backhoe applications like trenching and drainage.
Q: Is the RT20 considered a micro excavator?
A: Yes, with its retractable tracks narrowing to 990mm, it is categorized as a micro excavator capable of passing through standard garden gates.




