A family independently restored an older Liebherr excavator, documenting a trend that highlights the longevity of classic construction machinery. The restoration of used equipment by private individuals demonstrates not only growing interest in construction machinery technology, but also the availability of spare parts and maintenance documentation for older models. However, for professional use, it remains essential that restored machines comply with current safety and emissions standards – older equipment often lacks modern exhaust gas treatment according to Stage V standards or telemetry-based maintenance systems. The case also raises questions about profitability: while leisure projects are driven by idealistic considerations, commercial enterprises must weigh downtime, availability, and depreciation against new machines.