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Used CAT 320CL Excavator 21ton for sale Stability
*Stringent Quality Assurance: This used construction equipment has successfully passed 15 comprehensive inspections, ensuring top-notch performance across the engine, hydraulic systems, and structural components. Every part is in peak condition, ready to handle demanding tasks from the get-go.
*Cost-Effective Solution: Skip the hefty price tag of new machinery. Our used construction equipment can save more than 20% on initial costs while maintaining over 80% of its original operational efficiency, making it the perfect choice for maximizing project budgets.
*Proven Dependability: With verified low operating hours and a complete service history, this machine has consistently excelled in demanding tasks like mining and road construction. Trusted by contractors globally, it’s a reliable workhorse for any project.
1. Core Power & Powertrain (Engine)
The 2004 model year relies on a heavy-duty mechanical fuel system, highly favored in global trade for its exceptional tolerance to low-quality fuels and the absence of delicate electronic sensors.
| Parameter | Metric System | Imperial System | Technical Remarks |
| Engine Model | CAT 3066T | CAT 3066T | Heavy-duty, Turbocharged |
| Net Flywheel Power | 103 kW | 138 hp | Rated @ 1800 rpm (ISO 9249) |
| Gross Power | 110 kW | 148 hp | Total thermodynamic capacity |
| Displacement | 6.4 L | 389 cu in | 6-Cylinder inline configuration |
2. Weight, Capacities & Logistics Dimensions
Exact high-level shipping metrics essential for calculating ocean freight boundaries (RORO booking or Flat Rack) and local road clearance.
| Parameter | Metric System | Imperial System | Shipping & Logistics Relevance |
| Operating Weight | 21,000 kg | 46,300 lbs | Standard 21-ton class longundercarriage asset |
| Transport Length | 9,420 mm | 30.91 ft | Boom lowered shipping position |
| Transport Width | 2,980 mm | 9.78 ft | Standard width with 600 mm shoes |
| Transport Height | 3,440 mm | 11.29 ft | Top of boom clearance line |
| Fuel Tank Capacity | 410 L | 108.3 gal | High-capacity tank for extended shifts |
| Hydraulic Tank Cap. | 120 L | 31.7 gal | Core reservoir fluid volume |
3. Hydraulic & Structural Systems
Engineered with a cross-sensing hydraulic system to maximize engine efficiency and maintain rapid cycle speeds during heavy truck-loading or trenching work.
| Parameter | Metric System | Imperial System | Field Performance Indicator |
| Max Implement Flow | 2 x 205 L/min | 2 x 54.2 gal/min | Dual variable-displacement pumps |
| Implement Pressure | 34,300 kPa | 4,980 psi | Heavy lift/digging circuit threshold |
| Swing Speed | 11.5 rpm | 11.5 rpm | High-efficiency cycle performance |
| Bucket Breakout Force | 147 kN | 33,050 lbs | High-penetration linkage output |
4. Undercarriage & Ground Logistics
The “L” configuration indicates a lengthened undercarriage frame, significantly increasing lateral lifting stability and lowering ground bearing pressure.
| Parameter | Metric System | Imperial System | Underfoot Durability |
| Standard Shoe Width | 600 mm | 24 in | Triple grouser track pads |
| Track Gauge | 2,380 mm | 7.81 ft | Extended footprint for heavy lifting |
| Max Travel Speed | 5.5 km/h | 3.42 mph | Dual-speed auto shift travel |
| Max Drawbar Pull | 196 kN | 44,060 lbs | High climbing/towing capability |
5. Working Ranges (Standard 2.9 m / 9’6″ Stick)
Definitive digging profiles enabling regional field buyers to match job-site excavation criteria.
| Parameter | Metric System | Imperial System |
| Max Digging Depth | 6,600 mm | 21.65 ft |
| Max Reach Along Ground | 9,730 mm | 31.92 ft |
| Max Cutting Height | 9,750 mm | 31.99 ft |
| Max Loading Height | 6,800 mm | 22.31 ft |
| Standard Bucket Capacity | 1.00 m3 |
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