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Used KOMATSU PC120 Excavator 12ton for sale Versatile Performance
*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 PC120-7 is equipped with the Komatsu SAA4D95LE-5 engine. This powerplant is globally recognized for its robust mechanical design, high torque-to-displacement ratio, and reliability in regions with varying fuel quality.
| Parameter | Metric System | Imperial System | Technical Remarks |
| Engine Model | Komatsu SAA4D95LE-5 | Komatsu SAA4D95LE-5 | 4-cylinder, turbocharged |
| Net Flywheel Power | 68.4 kW | 91.7 hp | Rated @ 2,200 rpm (ISO 9249) |
| Displacement | 3.26 L | 199 cu in | Optimized for consistent low-RPM torque |
| Cooling System | Pressurized | Pressurized | Heavy-duty industrial radiator |
2. Weight, Capacities & Logistics Dimensions
These specifications are critical for international logistics, allowing procurement managers to calculate shipping costs accurately. The PC120 is favored for its ability to be transported on standard flatbed trailers without special permits.
| Parameter | Metric System | Imperial System | Shipping & Logistics Relevance |
| Operating Weight | 12,300 kg | 27,117 lbs | Standard configuration with cabin |
| Transport Length | 7,370 mm | 24.18 ft | Standard boom-down transport position |
| Transport Width | 2,490 mm | 8.17 ft | Optimized for standard trailer decks |
| Transport Height | 2,800 mm | 9.19 ft | Low-profile for efficient clearance |
| Fuel Tank Capacity | 240 L | 63.4 gal | Extended duty-cycle autonomy |
3. Hydraulic & Digging Performance
Featuring Komatsu’s “HydrauMind” closed-center load-sensing system (CLSS), the PC120-7 delivers precise control for fine grading and maximum power for breakout tasks.
| Parameter | Metric System | Imperial System | Field Performance Indicator |
| Max System Flow | 242 L/min | 63.9 gal/min | Variable displacement piston pumps |
| Operating Pressure | 27,500 kPa | 3,988 psi | High-pressure relief for hard digging |
| Swing Speed | 11.5 rpm | 11.5 rpm | Fast cycle time for loading operations |
| Bucket Breakout Force | 82.4 kN | 18,525 lbf | Superior force for 12-ton class |
| Stick Digging Force | 63.7 kN | 14,320 lbf | Robust trenching/backfilling capacity |
4. Undercarriage & Mobility
The undercarriage provides a stable footprint for the machine, essential for maintaining balance during high-torque slewing and side-digging in compacted soils.
| Parameter | Metric System | Imperial System | Underfoot Mobility |
| Standard Shoe Width | 500 mm | 20 in | Triple grouser heavy-duty track pads |
| Max Travel Speed | 5.5 km/h | 3.42 mph | Dual-speed auto-shift capability |
| Max Traction Force | 110.0 kN | 24,730 lbf | High-effort for incline/ramp climbing |
| Ground Pressure | 39.0 kPa | 5.66 psi | Low-impact for finished site surfaces |
5. Working Ranges
Definitive excavation profiles enabling site managers to verify job-site suitability for utility trenching, irrigation, and general construction infrastructure.
| Parameter | Metric System | Imperial System |
| Max Digging Depth | 5,520 mm | 18.11 ft |
| Max Reach (Ground) | 8,300 mm | 27.23 ft |
| Max Cutting Height | 8,800 mm | 28.87 ft |
| Max Loading Height | 6,370 mm | 20.90 ft |
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