Komatsu PC78UU-6 Mini excavators 2001 MNX-005

This pre-owned 2001 Komatsu PC78UU-6 mini excavator is a 7.7-ton machine built for strong performance and precise operation in confined urban and residential jobsite conditions. With 24,013 working hours, it remains a proven and durable unit for heavy daily use. Powered by a Komatsu S4D95LE-3 diesel engine producing 54 hp, it delivers consistent power, smooth hydraulic response, and efficient operation. Equipped with a 630 mm excavation bucket with teeth and a capacity of 0.28 m³, along with a 3.27 m boom, the machine provides stable digging performance and accurate control. It achieves a maximum digging depth of 4,200 mm, making it suitable for trenching, foundation work, and general excavation tasks. The front dozer blade supports grading and backfilling, while auxiliary hydraulics allow the use of attachments such as breakers and augers. Its zero-tail swing design and sliding cab door improve maneuverability in tight spaces, while steel tracks ensure durability in tough site conditions. Built for reliability and ease of service, the PC78UU-6 is a practical and productive choice for demanding field applications.

Highlights:

• Komatsu S4D95LE-3 diesel engine rated at 54 HP
• Maximum digging depth of 4,200 mm for excavation tasks
• 0.28 m³ bucket with teeth and 630 mm width
• 3.27 m boom for stable and controlled operation
• Dozer blade and auxiliary hydraulics for added versatility