About · Caterpillar 309Overview
The Caterpillar 309 is a compact hydraulic excavator positioned in the midi excavator class, designed to deliver reliable digging, trenching, and lifting performance in a size-efficient package. Built to Caterpillar's engineering standards, it combines reach and breakout force suited to confined and open worksites alike. The 309 designation places it within a weight class that balances transportability with productive output.
Typical applicationsWhere this machine is used
Midi excavators in this class are well suited to utility installation, foundation work, landscaping, road maintenance, and site preparation tasks. Their compact footprint makes them practical for urban or restricted-access environments where larger machines cannot operate efficiently. The 309 is also commonly deployed on drainage, pipeline, and small-scale earthmoving projects.
Used-market inspectionWhat to check before buying
When evaluating a used Caterpillar 309, inspectors should assess the condition of the undercarriage, including track wear, rollers, and sprockets, as these components represent a significant portion of long-term ownership cost. The hydraulic system should be checked for leaks, cylinder condition, and smooth operation across all functions. Service history, fluid analysis records, and structural integrity of the boom, arm, and bucket attachment points are all material factors in determining machine condition and remaining service life.
Current marketPrice position
Based on available European market data, the Caterpillar 309 trades at an average of EUR 100,000, with the typical price range also concentrated at EUR 100,000, indicating a stable and consistent valuation point for this model in the current market. No competitor pricing data was provided, so direct brand comparisons cannot be drawn from the available facts.