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Application Scenarios
Product Description
The QL-18 Excavator is a robust and versatile construction machine engineered for high-performance excavation in space-constrained environments. With an operating weight of 1800 kg, it strikes a perfect balance between heavy-duty stability and the agility required for landscaping, utility repairs, and urban construction projects.
Powered by a potent 18.5 kW engine, the 18U offers significantly higher power than standard micro-excavators, ensuring consistent performance under demanding loads. Its advanced hydraulic system, featuring a Tianjin gear plunger pump and a 22 L/min flow rate, provides a maximum digging force of 10 kN, allowing for efficient penetration in tougher soil conditions.
One of its standout features is the telescopic chassis, which allows the machine to adjust its footprint for enhanced stability or narrow access. With a maximum digging depth of 2000 mm and a reach of 3260 mm, the 18U provides an impressive working envelope. Despite its power, it maintains a compact chassis width of 1100 mm, making it an ideal choice for contractors who need professional-grade digging capabilities in narrow job sites like residential backyards or indoor demolition areas.
Key Advantages
Superior Power & Digging Performance
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High-Output 18.5 kW Engine: Delivers significant power for a 1.5-ton machine, ensuring stable performance and high efficiency.
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Impressive Working Envelope: Reaches a maximum digging depth of 2000 mm and a digging height of 3030 mm.
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Strong Breakout Force: Features a 10 kN digging force and a 22 L/min hydraulic flow for handling tougher soil conditions.
Versatile & Adaptive Chassis
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Telescopic Undercarriage: Includes a 160 mm telescopic range, allowing the chassis to expand for stability or retract for narrow access.
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Compact Footprint: A standard chassis width of 1100 mm makes it ideal for residential landscaping and narrow urban job sites.
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Excellent Gradeability: Easily navigates slopes up to 30°, perfect for uneven terrain.
High-Quality Hydraulic System
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Premium Components: Equipped with a Tianjin gear plunger pump and North multi-way valves for smooth, precise control.
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Reliable Motors: Features Livo brand slewing and travel motors for consistent rotation and movement durability.
Enhanced Loading Efficiency
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High Discharge Capability: A maximum unloading height of 2080 mm allows for easy loading into standard trucks and skips.
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Large Working Reach: A maximum digging distance of 3260 mm reduces the need for frequent machine repositioning.
Heavy-Duty Build for Stability
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1.5-Ton Operating Weight: Provides the necessary counterweight for deeper digs and heavier lifting compared to micro-models.
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Low Ground Pressure: A 30 kPa ground pressure ratio ensures minimal surface damage while maintaining a firm grip on the work site.
Parameter
| Parameter | Specification / Value |
| Project Type | 18U |
| Rated Power | 18.5 kW |
| Fuel Tank Capacity | 9.5 L |
| Standard Bucket Width | 400 mm |
| Bucket Capacity | 0.02 m³ |
| Operating Weight | 1500 kg |
| Chassis Telescopic Range | 160 mm |
| Maximum Digging Force | 10 kN |
| Multi-way Valve Brand | North |
| Hydraulic Pump (Brand/Type) | Tianjin (Gear Plunger) |
| Hydraulic Flow | 22 L/min |
| Working Pressure | 20 MPa |
| Slewing Motor Brand | Livo |
| Slewing Speed | 9 rpm |
| Travel Motor Brand | Livo |
| Travel Speed | 2 km/h |
| Climbing Angle | 30° |
| Ground Pressure Ratio | 30 kPa |
| Maximum Digging Depth | 2000 mm |
| Maximum Digging Distance | 3260 mm |
| Max Vertical Arm Digging Depth | 1800 mm |
| Maximum Digging Height | 3030 mm |
| Maximum Unloading Height | 2080 mm |
| Minimum Turning Radius | 1500 mm |
| Chassis Width | 1100 mm |
| Bulldozer Blade Height and Width | 220 x 1100 mm |
| Overall Dimensions | 3320 x 940 x 2400 mm |
| Track Width | 180 mm |
| Track Center Distance | 920 mm |
| Pin Shaft Diameter | 25 mm |
| Inner Gear | 90 |
| Hole Spacing | 90 mm |
