Komatsu PC56MR Used Excavator Overview

The Komatsu PC56MR is a compact short tail swing mini hydraulic excavator built for tight-space renovation, landscaping, small utility trenching and residential earthmoving jobs. Well-known for its ultra-short tail design, original Komatsu engine and mature CLSS hydraulic system, the PC56MR remains a highly popular used mini excavator among global contractors.

Key Features:

Proven Komatsu Power Unit The excavator is equipped with the Komatsu 4D88E-7 four-cylinder water-cooled diesel engine, delivering 29.1 kW (39 HP) net power at 2400 rpm. This compact and reliable engine runs smoothly under frequent start-stop operations, offers stable output and good fuel economy, suitable for long-hour light-duty construction work.

Stable Heavy-Duty Build With an operating weight of approximately 5,500 kg, the PC56MR adopts short tail swing structure. The rear counterweight stays within the track width during rotation, which allows safe operation beside walls and buildings. Reinforced frame, rubber tracks and standard dozer blade provide solid stability during digging and backfilling.

Versatile Digging & Loading Performance Bucket capacity ranges from 0.055 to 0.19 m³ and maximum digging depth reaches 4,150 mm. The machine efficiently completes small pipeline trenching, soil removal, backfilling and garden reshaping. Auxiliary hydraulic lines support quick installation of hydraulic breakers for multiple light demolition tasks.

Efficient Hydraulic System Komatsu’s CLSS closed load-sensing hydraulic system delivers smooth and precise joystick control. Pressure compensation technology enables coordinated multi-function movements and responsive operation, improving productivity for repeated digging and slewing operations in confined worksites.

Serviceable & Operator-Centric Design Ground-level service access and tilting cab design simplify daily inspection and component maintenance to reduce downtime. The compact operator canopy or cab provides clear all-around visibility and easy-to-use controls, lowering operator fatigue during long working shifts.

Applications:

The Komatsu PC56MR Used Excavator is ideal for a range of applications, including:

• Urban & Municipal Works: Narrow trench digging, cable laying and roadside renovation.
• Residential & Backyard Projects: Small foundation works, garden earthworks and site clearing.
• Landscaping & Farm Projects: Pond digging, slope shaping and farmland improvement.
• Confined-space Light Demolition: Debris removal and small demolition jobs in tight areas.

Conclusion:

The Komatsu PC56MR Used Excavator stands out for its short tail swing design, compact footprint and dependable original Komatsu powertrain. It is an agile workhorse for light earthmoving tasks in limited-space sites. Widely traded in the global used machinery market, the PC56MR features easy repair and low operating costs, making it a preferred mini excavator for landscaping, municipal and residential contractors.