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Used KOMATSU PC400 Excavator 40ton for sale Mature Hydraulic System
*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 PC400-8 is powered by the Komatsu SAA6D140E-5 engine. This engine is highly regarded in the international market for its massive torque reserve, which ensures sustained production rates in the most demanding mining environments.
| Parameter | Metric System | Imperial System | Technical Remarks |
| Engine Model | Komatsu SAA6D140E-5 | Komatsu SAA6D140E-5 | 6-cylinder, Turbocharged |
| Net Flywheel Power | 268 kW | 359 hp | Rated @ 1,900 rpm (ISO 9249) |
| Displacement | 11.04 L | 674 cu in | High displacement for heavy-load torque |
| Cooling System | Pressurized | Pressurized | Heavy-duty mining-grade radiator |
2. Weight, Capacities & Logistics Dimensions
These metrics are vital for procurement and transport logistics. The PC400-8 is designed to balance superior mass and stability with transportability via standard heavy-duty lowboy trailers.
| Parameter | Metric System | Imperial System | Shipping & Logistics Relevance |
| Operating Weight | 41,400 kg | 91,270 lbs | Standard configuration with cabin |
| Transport Length | 11,900 mm | 39.04 ft | Standard boom-in transport position |
| Transport Width | 3,440 mm | 11.29 ft | Optimized for heavy-haul road lanes |
| Transport Height | 3,630 mm | 11.91 ft | Standard clearance for heavy-haul |
| Fuel Tank Capacity | 650 L | 171.7 gal | Extended autonomy for mining shifts |
3. Hydraulic & Digging Performance
Utilizing Komatsu’s HydrauMind (Closed-Center Load-Sensing) system, the PC400-8 provides the hydraulic precision needed for fine grading and the immense power required for primary rock breaking and bulk loading.
| Parameter | Metric System | Imperial System | Field Performance Indicator |
| Max System Flow | 690 L/min | 182.3 gal/min | Tandem variable displacement pumps |
| Operating Pressure | 37,300 kPa | 5,410 psi | High-force relief for hard-rock work |
| Swing Speed | 9.0 rpm | 9.0 rpm | High-torque rotation for mass loading |
| Bucket Breakout Force | 258 kN | 58,000 lbf | Massive penetration for mining duty |
| Stick Digging Force | 224 kN | 50,360 lbf | Superior trenching/breaking power |
4. Undercarriage & Mobility
The heavy-duty undercarriage is designed specifically for abrasive and high-impact environments, providing the stable platform required for handling the high loads of the 40-ton class.
| Parameter | Metric System | Imperial System | Underfoot Mobility |
| Standard Shoe Width | 600 mm | 24 in | Triple grouser mining-grade tracks |
| Max Travel Speed | 5.5 km/h | 3.4 mph | Dual-speed auto-shift capability |
| Max Traction Force | 330 kN | 74,185 lbf | High-effort for steep incline climbing |
| Ground Pressure | 77.0 kPa | 11.17 psi | Stable footing for mining terrain |
5. Working Ranges
Definitive excavation profiles enabling site managers to verify the machine’s capability for deep-mining, quarry loading, and massive foundation excavation.
| Parameter | Metric System | Imperial System |
| Max Digging Depth | 7,820 mm | 25.66 ft |
| Max Reach (Ground) | 11,430 mm | 37.50 ft |
| Max Cutting Height | 10,810 mm | 35.47 ft |
| Max Loading Height | 7,460 mm | 24.48 ft |
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