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Used KOBELCO SK120 Excavator 12ton for sale Superior Reliability
*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 SK120 is powered by a high-torque industrial engine designed for continuous heavy-duty operation. It is prized for its durability and its ability to provide consistent power under varying load conditions.
| Parameter | Metric System | Imperial System | Technical Remarks |
| Engine Model | Mitsubishi 4D34-TL | Mitsubishi 4D34-TL | 4-cylinder, Turbocharged |
| Net Flywheel Power | 63.4 kW | 85.0 hp | Rated @ 2,200 rpm |
| Displacement | 3.91 L | 238 cu in | Optimized for mid-size torque |
| Cooling System | Pressurized | Pressurized | High-capacity industrial cooling |
2. Weight, Capacities & Logistics Dimensions
These metrics are essential for logistics and fleet planning. The SK120 provides a stable footprint for excavation while remaining manageable for standard equipment transport trailers.
| Parameter | Metric System | Imperial System | Shipping & Logistics Relevance |
| Operating Weight | 11,800 kg | 26,015 lbs | Standard configuration with bucket |
| Transport Length | 7,620 mm | 25.00 ft | Standard for site-to-site mobility |
| Transport Width | 2,490 mm | 8.17 ft | Within standard road transport limits |
| Transport Height | 2,750 mm | 9.02 ft | Optimized for standard trailer clearance |
| Fuel Tank Capacity | 200 L | 52.8 gal | Designed for extended work cycles |
3. Hydraulic & Digging Performance
Featuring a highly responsive hydraulic system, the SK120 excels in tasks requiring both brute breakout force for heavy soil and the delicate control needed for finish grading and trenching.
| Parameter | Metric System | Imperial System | Field Performance Indicator |
| Max System Flow | 220 L/min | 58.1 gal/min | Dual variable displacement pumps |
| Operating Pressure | 29,400 kPa | 4,264 psi | High pressure for heavy excavation |
| Swing Speed | 12.5 rpm | 12.5 rpm | Fast cycle times for bulk loading |
| Bucket Breakout Force | 85.0 kN | 19,110 lbf | Robust force for site excavation |
| Stick Digging Force | 64.0 kN | 14,390 lbf | Strong power for deep trenching |
4. Undercarriage & Mobility
The reinforced undercarriage ensures the machine remains stable on uneven ground. Its high traction force allows for effective maneuverability on construction sites, inclines, and soft terrain.
| Parameter | Metric System | Imperial System | Underfoot Mobility |
| Standard Shoe Width | 500 mm | 20 in | Triple grouser heavy-duty tracks |
| Max Travel Speed | 5.5 km/h | 3.4 mph | Dual-speed auto-shift capability |
| Max Traction Force | 118 kN | 26,530 lbf | High-effort for challenging terrain |
| Ground Pressure | 38.0 kPa | 5.51 psi | Stable footing for various surfaces |
5. Working Ranges
Defining the essential operational envelope for foundation work, general construction, and material handling.
| Parameter | Metric System | Imperial System |
| Max Digging Depth | 5,520 mm | 18.11 ft |
| Max Reach (Ground) | 8,260 mm | 27.10 ft |
| Max Cutting Height | 8,630 mm | 28.31 ft |
| Max Loading Height | 6,170 mm | 20.24 ft |
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