Komatsu PC400 Used Excavator Overview

The Komatsu PC400 is a well-known 42-ton heavy hydraulic excavator built for bulk earthmoving, foundation works, road construction and quarry loading. Well-known for its original Komatsu engine, mature CLSS closed load-sensing hydraulic system and solid long-track chassis, the PC400 remains one of the most popular used excavators among global contractors.

Key Features:

Proven Komatsu Power Unit The excavator is equipped with the Komatsu SAA6D125E-5 six-cylinder turbo diesel engine, delivering 246 kW (330 HP) net power at 1850 rpm. This reliable factory engine provides strong low-speed torque, stable output under continuous heavy loads and good fuel economy for long-hour site operations.

Stable Heavy-Duty Build With an operating weight of approximately 42,400 kg, the PC400 adopts an LC long undercarriage design. The extended track frame offers larger ground contact area and superior stability on uneven and soft ground. Reinforced boom, stick and X-frame structure resist heavy digging impact and extend service life.

Versatile Digging & Loading Performance Bucket capacity ranges from 1.9 to 2.3 m³ and maximum digging depth reaches 7,790 mm. The machine efficiently completes foundation excavation, mass earthmoving, backfilling and stockpile loading. Auxiliary hydraulic lines support quick installation of hydraulic breakers for multi-purpose construction tasks.

Efficient Hydraulic System Komatsu’s CLSS closed load-sensing hydraulic system delivers smooth and precise joystick control. Pressure compensation technology enables coordinated multi-function movements and fast cycle times, improving productivity during repeated digging, slewing and dumping operations.

Serviceable & Operator-Centric Design Ground-level service access points simplify daily inspection and routine maintenance to minimize downtime. The spacious operator cab provides good all-around visibility and ergonomic controls, lowering operator fatigue during long working shifts in various construction environments.

Applications:

The Komatsu PC400 Used Excavator is ideal for a range of applications, including:

• General Building Construction: Foundation excavation, site clearing and bulk earthworks.
• Road & Municipal Works: Trenching, slope shaping, backfilling and pipeline installation.
• Land Development: Land grading, embankment construction and pond excavation.
• Quarry & Aggregate Handling: Rock loading, overburden removal and stockpile management.

Conclusion:

The Komatsu PC400 Used Excavator stands out for its trusted Komatsu powertrain, stable long-track design and mature CLSS hydraulic technology. It is a robust workhorse for heavy-duty earthmoving projects. Widely traded in the global used machinery market, the PC400 combines dependable performance and easy spare parts supply, making it a preferred option for contractors looking for a reliable 42-ton used excavator.