Used Komatsu 220-8 Excavator

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Here is a comprehensive, detailed introduction of the Komatsu PC220-8 hydraulic excavator in English. (The model is commonly referred to as the PC220-8, part of Komatsu’s Dash 8 series.)

Komatsu PC220-8 Hydraulic Excavator: Detailed Introduction

The Komatsu PC220-8 is a 22-ton class hydraulic excavator that embodies Komatsu's philosophy of high performance, exceptional durability, advanced technology, and operator-centric design. As a key model in the globally recognized Dash 8 series, the PC220-8 was engineered to meet the demanding requirements of heavy construction, earthmoving, quarrying, and infrastructure projects. It integrates a powerful, emission-compliant engine, an advanced hydraulic system, and a state-of-the-art monitoring network to deliver superior productivity and low operating costs.

1. Engine and Emissions Compliance

At the heart of the PC220-8 is the Komatsu SAA6D107E-1 diesel engine. This 6-cylinder, 4-stroke, water-cooled, direct-injection powerplant features a turbocharger and an air-to-air aftercooler, providing a robust combination of power and efficiency.

Net Power: 110 kW (148 HP) @ 2,000 rpm
Gross Power: 123 kW (165 HP) @ 2,000 rpm
Displacement: 6.69 litres
Maximum Torque: 632 N·m @ 1,500 rpm

This engine is Tier 3 / Stage IIIA emission compliant through the use of Komatsu’s advanced combustion technology, including a high-pressure common rail (HPCR) fuel injection system and cooled Exhaust Gas Recirculation (EGR). The HPCR system precisely controls fuel delivery under ultra-high pressure for complete combustion, which significantly reduces particulate matter (PM) and nitrogen oxide (NOx) emissions while simultaneously lowering fuel consumption. The EGR system recirculates a portion of cooled exhaust gas back into the intake, reducing peak combustion temperatures and further suppressing NOx formation without sacrificing performance.

2. Advanced Hydraulic System

The PC220-8 is equipped with Komatsu’s HydrauMind (Closed-Center Load Sensing System, CLSS) hydraulic system, which is renowned for its precise control and operational harmony. This system features:

Variable-displacement piston pumps that supply hydraulic fluid only when demanded by the operator’s lever movements, minimizing energy loss and maximizing fuel efficiency.
Maximum Pump Flow: 2 × 244 litres per minute, ensuring rapid cycle times for all digging, lifting, and swinging operations.
Working Modes: The machine offers multiple selectable working modes (such as Power Mode, Economy Mode, Lifting Mode, and Breaker Mode) that match engine speed and pump flow to the specific task. This allows the operator to optimize the balance between raw digging power and fuel economy with the simple touch of a switch.

The hydraulic system provides exceptional breakout forces:

Bucket Digging Force (ISO): 16,400 kgf (161 kN)
Arm Crowd Force (ISO): 11,800 kgf (116 kN)

These high forces, combined with smooth multi-function capability, make the PC220-8 exceptionally productive in tough digging, trenching, and heavy lifting applications.

3. Structural Durability and Undercarriage

The PC220-8 is built on a proven, robust structure designed to withstand the most severe working conditions.

Reinforced Work Equipment: The boom, arm, and linkage are constructed from thick, high-tensile-strength steel castings and plate. Critical areas are heavily reinforced, and the arm features a large cross-sectional structure to resist bending and torsional stress. Box-section track frames enhance the durability of the undercarriage.
Undercarriage Options: The machine is available with a choice of track shoe widths (typically 600 mm, 700 mm, or 800 mm) to suit various ground conditions. The undercarriage uses a sealed and lubricated track chain to extend the service life of the pins and bushings.
Swing System: A high-torque axial piston motor drives the swing circle through a planetary reduction gear. The swing ring is a large-diameter, single-row shear type ball bearing, ensuring smooth, powerful, and reliable swing performance.

4. Operator Environment and Cab Design

Komatsu places the highest priority on operator comfort and safety, which directly translates to high productivity over long shifts. The PC220-8’s cab is one of the most spacious and comfortable in its class.

ROPS/FOPS Certified Cab: The structure meets international standards for Roll-Over Protective Structure (ROPS) and Falling Object Protective Structure (FOPS), ensuring operator safety.
Viscous Mounts: The cab is mounted on viscous isolation dampeners, dramatically reducing noise and vibration transmitted from the machine frame. The interior noise level is exceptionally low, often cited around 70 dB(A).
Air-Suspension Seat: The standard high-back seat is fully adjustable and features air suspension with lumbar support, absorbing shocks and reducing operator fatigue.
Automatic Climate Control: A powerful, fully automatic air-conditioning system maintains a comfortable preset temperature, with adjustable vents for optimal airflow.
Multi-Function Color Monitor: A large, high-resolution 7-inch LCD color monitor provides the operator with a clear interface. It displays machine status, operational data (fuel consumption, oil temperature), maintenance alerts, and a feed from the standard rearview camera for enhanced jobsite safety.
Low-Effort Controls: The machine features Pilot Proportional Control (PPC) joysticks with a light, responsive feel and ergonomic design, reducing arm and wrist strain during repetitive movements.

5. KOMTRAX Remote Monitoring Technology

A standout feature of the Dash 8 series is the integration of KOMTRAX (Komatsu Machine Tracking System) as a standard feature. This wireless satellite communication system provides a wealth of data to fleet managers and owners, viewable on a secure website.

KOMTRAX tracks:

Location: GPS-based mapping with geo-fencing capability.
Utilization: Daily working hours, idle time, and travel time.
Fuel Consumption: Detailed fuel usage reports and fuel theft alerts.
Machine Health: Real-time monitoring of critical system codes, coolant and oil temperatures, and maintenance alerts.
Maintenance Scheduling: Automatic reminders based on service intervals.

This technology empowers owners to manage their fleet proactively, reduce downtime, prevent unauthorized use, and significantly lower operating costs.

6. Easy Maintenance and Serviceability

Komatsu designed the PC220-8 for fast, easy daily checks and periodic maintenance, maximizing uptime.

Wide-Opening Service Doors: The engine hood, side doors, and pump compartment cover open wide, providing unobstructed ground-level access to all daily inspection points, filters, and major components.
Grouped Service Points: Engine oil dipstick, fuel and oil filters, water separator, and hydraulic tank return filter are centrally located and easily reachable.
Easily Cleanable Radiator/Cooler: The radiator, oil cooler, and aftercooler are arranged in parallel and can be individually removed or cleaned. The hydraulic swing-out fan and reversible fan option simplify the cleaning of debris from the cooling cores.
Extended Service Intervals: High-capacity fuel filters (with a primary water separator) and long-life hydraulic oil (requiring change at 5,000 hours) contribute to lower maintenance costs and extended service intervals.
On-Board Diagnostics: The multi-function monitor displays diagnostic trouble codes, allowing technicians to quickly identify and resolve issues.

7. Standard Specifications (Reference)

Model: PC220-8
Operating Weight: 23,100 – 23,620 kg (depending on configuration)
Bucket Capacity: 0.48 – 1.48 m³ (standard digging bucket is typically 1.0 m³)
Max Digging Depth: 6,920 mm
Max Vertical Wall Digging Depth: 6,180 mm
Max Reach on Ground: 9,870 mm
Max Dumping Height: 7,050 mm
Travel Speed: Low / Mid / High: 3.0 / 4.1 / 5.5 km/h
Drawbar Pull: 20,400 kgf
Fuel Tank Capacity: 400 litres
Hydraulic Tank Capacity: 135 litres

Summary

The Komatsu PC220-8 excavator is a paragon of intelligent engineering in the mid-size excavator market. By combining a fuel-efficient, low-emission engine with a precisely controlled hydraulic system, a rock-solid structure, and an unmatched operator comfort zone, it delivers peak performance shift after shift. The integration of KOMTRAX transforms it from a mere machine into a managed asset, providing data-driven insights to optimize efficiency and profitability. For any operation requiring a reliable, powerful, and technologically advanced 22-ton excavator, the PC220-8 represents a benchmark choice.

Non flooded

No accident

Original product

Used Komatsu 220-8 Excavator

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