Product Specifications

Detailed Description & Applications

The following section provides an expert overview of the used Komatsu PC55 excavator, focusing on operational capability, maintenance considerations and ideal use cases for contractors and equipment managers. This compact machine balances power and manoeuvrability, making it widely adopted for confined-site digging, urban utility work and precision landscaping.

Design and Performance

The Komatsu PC55MR is engineered for environments where a tight tail swing and responsive hydraulics are essential. With an operating weight around 5.5 tonnes and a robust Komatsu 4D88 series engine developing 29 kW, the machine delivers stable digging force (23.92 kN tear-out) and reliable cycle times. The short transport length and compact profile allow easy access to narrow sites while maintaining sufficient reach—up to 6.07 m horizontally and 3.8 m in digging depth—so routine trenching, small-scale excavation and foundation work can be completed efficiently.

Hydraulics, Fuel Efficiency and Attachments

Komatsu’s hydraulic system in this series provides smooth, proportional control that benefits both productivity and fuel economy. For operators who rotate machines between tasks, the PC55 accommodates a variety of attachments including narrow buckets, hydraulic breakers, augers and thumbs, enabling rapid conversion from excavation to demolition or drilling tasks. The standard bucket capacity listed at 0.3 m³ offers a balance between load volume and precision; optional buckets in the 0.07–0.175 m³ range further increase adaptability for delicate work.

Operator Comfort and Safety

Komatsu designs the operator environment to reduce fatigue and enhance situational awareness. The cab affords good visibility of the working area and controls are logically arranged for intuitive operation. Operator protection is specified as ‘Kb’, and routine inspections should verify ROPS/OPG status and seatbelt condition. Given the used condition of the unit, it is recommended to confirm the integrity of protective structures and hydraulic hoses during pre-purchase inspection.

Maintenance and Serviceability

A major advantage of selecting a Komatsu model is the availability of parts and documented maintenance intervals. This 2015 unit with approximately 2,900 hours typically represents a mid-life machine when serviced correctly. Key service points include: engine oil and filter replacement, hydraulic oil and filter checks, undercarriage inspection (track width 400 mm), and regular greasing of pins and bushings. A pre-sale service history review can confirm oil change cadence and any major repairs, supporting long-term reliability.

Typical Applications and Target Users

The used Komatsu PC55 excavator is particularly well-suited to:

• Municipal and utility contractors performing pipe laying, service trenching and road verge work where space constraints exist.

• Landscapers and grounds contractors who require precise grading, planting bed excavation and material handling in residential or park settings.

• Small construction firms and rental fleets seeking a durable compact excavator with low operating costs and broad attachment compatibility.

Operational Benefits

1. Compact footprint and short tail swing for safer operation in confined areas.

2. Proven Komatsu engine and components for dependable service life.

3. Versatility through multiple attachments, enabling multi-role deployment on job sites.

4. Reasonable delivery timeframe (15–20 days) and strong supply capacity for fleet scaling.

Pre-Purchase Checklist

• Verify working hours against maintenance records to confirm consistent servicing at recommended intervals.

• Inspect undercarriage wear, track condition and sprocket life; these influence remaining service value most significantly.

• Test hydraulic function under load and check for oil contamination or leaks.

• Confirm serial numbers and origin documentation (Japan) for parts traceability and warranty transfer where applicable.

In summary, the used Komatsu PC55 Excavator presents a strong option for buyers needing a compact, serviceable and versatile mini excavator. Its balance of reach, digging force and fuel-conscious hydraulics make it a practical choice for projects where access and precision are priorities. When procured with a transparent service history and proper inspection, this model delivers reliable performance across a wide range of construction and utility applications.