Refurbished Komatsu PC128 Excavator

The Komatsu PC128 is a compact hydraulic excavator known for its robust performance, versatility, and maneuverability in tight spaces. Designed for a wide range of applications, the PC128 is ideal for urban construction, landscaping, and general excavation work. A refurbished Komatsu PC128 provides an excellent solution for businesses seeking a cost-effective way to maintain high productivity without the high costs associated with new equipment.

Honestly, it's almost impossible to buy a brand new excavator from China. They either don't exist or are made in China. If a Chinese seller tells you their Caterpillar/Komatsu/Volvo/Kobelco/Hitachi is brand new, they're lying. Therefore, a refurbished excavator is your best bet.

When refurbished, the PC128 is meticulously inspected and restored to its original specifications, ensuring that it delivers exceptional performance, durability, and efficiency. This makes the refurbished model a smart investment for those looking to achieve the balance of performance, reliability, and savings.

Here are the detailed specifications for a refurbished Komatsu PC128US-8 excavator:

Operating Weight and Dimensions

  • Operating Weight: 12,500–13,300 kg
  • Overall Length: ~7.6–7.9 meters
  • Overall Width: ~2.49–2.8 meters
  • Overall Height: ~2.8–3.0 meters
  • Tail Swing Radius: ~1.5–1.7 meters (ultra-short radius design)
  • Ground Clearance: ~440 mm
  • Track Width: 500–600 mm standard

Engine and Powertrain

  • Engine Model: Komatsu SAA4D95LE-5 (Tier 2 or Tier 3 compliant)
  • Rated Power Output: ~72–75 kW (97–100 hp) @ 2,000 rpm
  • Maximum Torque: ~400–450 Nm
  • Fuel Tank Capacity: ~260–280 liters
  • Travel Speed: 3.5–5.5 km/h
  • Swing Speed: ~10 rpm
  • Gradeability: Up to 70% (35°)

Hydraulic System

  • Main Pump Type: Closed Center Load Sensing (CLSS) axial piston pumps
  • Flow Rate: ~2 × 160–180 L/min
  • System Pressure: Up to 31.5–34.3 MPa
  • Hydraulic Oil Capacity: ~220–240 liters
  • Boom Cylinder Bore: ~120 mm
  • Arm Cylinder Bore: ~105 mm
  • Bucket Cylinder Bore: ~95 mm

Performance Metrics

  • Bucket Capacity: 0.5–0.65 m³ (SAE heaped)
  • Max Digging Depth: ~5.5–5.7 meters
  • Max Reach (Horizontal): ~8.8–9.1 meters
  • Max Dump Height: ~5.8–6.0 meters
  • Bucket Digging Force: ~105–110 kN
  • Arm Digging Force: ~70–75 kN

Cab and Operator Features

  • Cab Type: ROPS/FOPS certified
  • Display: LCD monitor with diagnostics and fuel tracking
  • Controls: Electro-hydraulic joysticks with customizable sensitivity
  • Comfort: Air suspension seat, climate control, low vibration cab
  • Visibility: Rear-view camera, LED work lights, wide glass area

Smart Features and Efficiency

  • Fuel Efficiency: Auto idle, variable speed matching, and Eco mode
  • Emissions Control:
    • Tier 2 units: No DPF/SCR
    • Tier 3 units: Improved combustion and EGR
  • Telematics Ready: KOMTRAX system for remote diagnostics and fleet tracking
  • Attachment Memory: Preset hydraulic settings for multiple tools

Attachments Compatibility

  • Standard Bucket: 0.5–0.65 m³
  • Optional Tools: Hydraulic breaker, compactor, grapple, ripper
  • Quick Coupler: Hydraulic or manual options available

Refurbishment Scope

Refurbished PC128 units typically include:

  • Engine Overhaul: Turbocharger, injectors, seals, cooling system
  • Hydraulic Restoration: Pump recalibration, valve block testing, hose replacement
  • Electrical Diagnostics: Monitor, sensors, wiring harness
  • Cab Reconditioning: Seat, joysticks, HVAC, repainting
  • Structural Repairs: Boom/bucket welding, bushing replacement, undercarriage rebuild

Overview of the Komatsu PC128 Excavator

The Komatsu PC128 is part of the manufacturer’s smaller to mid-range excavator lineup, designed for both efficiency and precision. Whether it's for digging, lifting, or other heavy-duty tasks, the PC128 is engineered to perform with power while remaining versatile in confined spaces.

Key Specifications of the Komatsu PC128

  • Operating Weight: 12,000 kg (26,455 lbs)

  • Engine Power: 69.4 kW (93.0 hp)

  • Max Digging Depth: 5.3 meters (17.4 feet)

  • Max Reach: 7.9 meters (25.9 feet)

  • Bucket Capacity: 0.4–0.55 cubic meters

  • Fuel Tank Capacity: 165 liters (43.6 gallons)

  • Travel Speed: 5.5 km/h (3.4 mph)

These specifications make the Komatsu PC128 a capable machine for a variety of tasks, such as trenching, lifting, and digging, while maintaining the compact size necessary for working in confined areas.

Engine and Performance

One of the standout features of the Komatsu PC128 is its engine, which provides a perfect balance between power and fuel efficiency. This combination makes it a valuable asset for both small and medium-sized projects.

  • Powerful Engine: The PC128 is equipped with a Komatsu SAA4D95LE-5 engine that delivers 93 horsepower. This engine provides the necessary power to perform tough tasks like digging through compacted soils or lifting heavy materials.

  • Fuel Efficiency: Known for its fuel efficiency, the PC128 consumes less fuel compared to older models, making it an economical choice for those looking to minimize operating costs. The fuel-efficient engine reduces the number of refueling stops, enabling longer work hours.

  • Lower Emissions: The PC128 meets modern emissions standards, helping to reduce its environmental footprint. This makes it a more sustainable choice for those concerned about emissions and environmental impact.

Hydraulic System

The Komatsu PC128 features an advanced hydraulic system that enhances its performance and operational efficiency. The machine’s hydraulics allow for high performance, precise control, and fast cycle times, which is essential for tasks like grading, trenching, and loading.

  • Load-Sensing Hydraulics: The load-sensing hydraulic system of the PC128 adjusts the flow and pressure to match the load requirements. This not only increases fuel efficiency but also ensures that the machine is only using as much energy as required for the task at hand.

  • High Digging and Lifting Capacity: The hydraulic system provides excellent digging and lifting performance, making the PC128 a versatile choice for working with a variety of materials, from dirt to gravel to lighter construction debris.

  • Precision Control: The hydraulics also offer smooth and precise control, allowing operators to complete tasks with minimal effort and high accuracy, which is especially useful in delicate or confined spaces.

Compact and Maneuverable Design

The Komatsu PC128 excels in confined workspaces, where large equipment might not be practical. Its compact design, combined with its powerful hydraulics, makes it a highly effective machine for urban and suburban construction projects.

  • Narrow Width: With a width of just 2.5 meters (8.2 feet), the PC128 can fit into tighter spaces than many larger excavators. This is essential for working in areas like city streets, residential neighborhoods, and other spaces with limited access.

  • Low Tail Swing: The PC128 is equipped with a low tail swing design, meaning that the rear part of the machine stays within its width during rotation. This allows it to operate in confined spaces without worrying about hitting surrounding objects or structures.

  • High Stability: Despite its compact size, the PC128 provides excellent stability, ensuring safety and performance when working on uneven ground or slopes. The machine’s solid base helps keep it balanced even when lifting heavy materials or working on challenging surfaces.

Operator Comfort and Safety Features

Komatsu designed the PC128 with operator comfort and safety in mind. A well-designed operator station ensures that the driver can work efficiently for extended periods of time, reducing fatigue and increasing productivity.

  • Spacious Cabin: The cabin of the PC128 is ergonomically designed for comfort and easy access to controls. Operators will appreciate the adjustable seat, user-friendly controls, and excellent visibility from the cabin.

  • Visibility: The operator enjoys a wide field of view, thanks to the large windows and compact design. This improves safety and operational accuracy, especially when working in tight spaces.

  • Safety Features: The PC128 is equipped with a range of safety features, including a ROPS (Rollover Protective Structure) and FOPS (Falling Object Protective Structure). These safety features help protect the operator during potentially hazardous work situations.

Benefits of a Refurbished Komatsu PC128

Choosing a refurbished Komatsu PC128 gives operators and business owners a cost-effective way to add a highly capable excavator to their fleet without the steep price tag of a new model. Refurbished Komatsu PC128 units are typically restored to meet or exceed original manufacturer standards, ensuring reliability and performance. Here are a few of the key benefits:

  • Lower Initial Investment: Refurbished excavators typically cost 30-40% less than new models. This makes them an attractive option for businesses looking to expand their fleet without taking on large amounts of debt.

  • Comprehensive Refurbishment: A refurbished Komatsu PC128 undergoes a thorough inspection and repair process. Any worn-out components, such as tracks, hydraulic parts, or engines, are replaced or repaired to bring the machine back to optimal performance.

  • Warranty: Many refurbished units come with a warranty, providing peace of mind and reducing the risk of costly repairs immediately after purchase.

  • Environmental Impact: By purchasing a refurbished unit, businesses contribute to reducing waste and conserving resources. Extending the life of an excavator helps reduce the environmental impact of manufacturing new equipment.

Maintenance Tips for the Komatsu PC128

To get the most out of your Komatsu PC128, proper maintenance is crucial. Below are some tips for keeping the machine running at its best:

  • Hydraulic System: Regularly check the hydraulic fluid levels and replace filters to ensure that the hydraulic system remains efficient and free of contaminants.

  • Engine Care: Monitor oil levels, coolant temperatures, and replace air filters as necessary to keep the engine in top shape.

  • Undercarriage Inspection: The undercarriage should be regularly inspected for wear and tear. Keep an eye on the tracks, sprockets, and rollers, and replace them as needed to maintain traction and stability.

  • Routine Inspections: Regularly inspect the machine for loose bolts, worn-out parts, or leaks to prevent small issues from becoming larger, costlier problems.

Conclusion

The Komatsu PC128 is a compact, powerful, and efficient excavator that delivers excellent performance for a variety of jobs. With its fuel-efficient engine, advanced hydraulic system, and maneuverable design, it is well-suited for urban construction, trenching, and other work in tight spaces. Opting for a refurbished Komatsu PC128 provides the same excellent performance as a new model at a more affordable price point, making it a smart choice for businesses looking for a cost-effective solution to meet their excavation needs. Whether you're working in a busy city or on a smaller job site, the PC128 offers the durability and reliability you need to get the job done right.

Our Commitment

  1. 2 years / 4000 hours warranty.
  2. EPA certified.
  3. No sweatshop labor.

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