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1.8 Ton Mini Excavator
The Derette RT18 is a 1.8 ton zero-tail compact mini excavator built for urban and confined job sites. It features triple-agility design with retractable undercarriage and side-swing boom. Equipped with Kubota D902 engine and advanced load-sensing hydraulic system, this small digger delivers smooth operation and reliable performance. Quick attachment coupler supports fast tool switching, making it a versatile workhorse for contractors and rental businesses.
The Derette RT18 is a 1.8 ton zero-tail compact mini excavator built for urban and confined job sites. It features triple-agility design with retractable undercarriage and side-swing boom. Equipped with Kubota D902 engine and advanced load-sensing hydraulic system, this small digger delivers smooth operation and reliable performance. Quick attachment coupler supports fast tool switching, making it a versatile workhorse for contractors and rental businesses.
Product Advantages
1. Triple-Agility Design for Confined Urban Work
360° true zero-tail swing enables safe rotation in tight urban spaces. Hydraulic retractable undercarriage shrinks to 990mm to fit 1-meter gates and extends for stable digging. Boom side swing (62° Left / 53° Right) makes foundation trenching effortless. Double cast iron counterweights lower the machine's center of gravity and prevent tipping during heavy load swinging.
2. Advanced Hydraulic System
It adopts variable plunger pump and load-sensing valve system. The system intelligently balances flow and pressure, supporting smooth simultaneous 3-function movements and high-precision digging.
3. Hidden 2-Speed Travel Mastery
Hidden high/low speed travel motors protect core components from debris. It provides rapid site mobility at 2.2 km/h and 4.5 km/h, alongside powerful climbing performance.
4. Stable Piston Swing & Enhanced Safety
Piston swing motor outputs high-torque rotation and smooth braking. Pilot safety lock can instantly lock all functions by lifting the console, effectively preventing accidental operation.
5. Quick Attachment Change
Equipped with quick coupler for fast switching between buckets, breakers and augers. The RT18 can be instantly converted to handle multiple types of site tasks.
Product Parameters
Key Specifications | Metric | U.S. |
Operating Weight | 1800 Kg | 3968 Lb |
Bucket Capacity | 0.04 m³ | 1.413 ft³ |
Dimensions(HEJ) | 3600*990(1300)*2450 mm | 141.7*39(51.2)*96.5 in |
Wheelbase | 1230 mm | 48.4 in |
Travel Speed | 2.2 / 4.5 km/h | 1.37 / 2.8 mph |
Bucket Digging Force | 16 kN | 3596.93 lbf |
Arm Digging Force | 9.5 kN | 2135.68 lbf |
Fuel Tank Capacity | 19 L | 5.02 gal |
Hydraulic Oil Tank Capacity | 17.5 L | 4.62 gal |
Engine | ||
Engine Model | Kubota D902 | Kubota D902 |
Rated Power | 11.8 kW | 16 Hp |
Rated Speed | 2300 rpm | 2300 rpm |
Displacement | 0.898 L | 0.237 gal |
Engine Oil Capacity | 3.7 L | 0.98 gal |
Working Range | ||
Maximum Lift Of Dozer Blade | 280 mm | 11 in |
Minimum Turning Radius | 1540 mm | 60.6 in |
Maximum Digging Height | 3570 mm | 140.6 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 L/min | 16.9 gpm |
Pressure | 23 MPa | 3336 psi |
Product Applications
Urban Renovation & Residential ConstructionPerfect for foundation trenching, backfilling and small demolition work. The retractable undercarriage can easily pass narrow residential gates.
Landscaping & Villa Yard ProjectsGreat for tree pit digging, site grading, pond construction and garden shaping. Zero tail swing avoids damaging walls and plants.
Pipeline InstallationIdeal for water pipe, cable and sewage trenching in tight urban areas. Side swing boom works efficiently beside walls and fences.
Indoor & Basement DemolitionCompact body + zero tail design, safe to operate inside buildings and basements without collision risks.
Farm & Orchard MaintenanceUsed for irrigation channel digging, land leveling and farm road repair. It can travel freely between fruit trees.
Shipping
Packing Method
RT18 1.8 ton mini excavator is shipped in full container. The machine will be firmly fixed inside the container to prevent shaking and damage during sea transportation.Production Lead Time
Standard machine: 30 working days after receiving deposit.Trade Terms
We support FOB, CIF and DAP international trade terms. Bulk discount and mixed container loading are available. OEM custom marking service can be offered for global distributors.Pre-shipment Inspection
Every RT18 mini excavator will pass full functional testing before shipment. Test photos and videos will be sent to you for confirmation before container loading.
