Komatsu PC78US-11 Mini Excavator Specifications

ExcavatorsMini Excavator Specs

The Komatsu PC78US-11 mini excavator is engineered to deliver exceptional performance, versatility, and efficiency in confined urban jobsites. Featuring an ultra-short tail swing radius, this compact machine is ideal for roadworks, utility installations, and general construction projects where space is at a premium. Its robust design and advanced hydraulic system ensure high productivity and smooth multi-function operations.

Designed specifically to meet the rigorous demands of the Australian earthmoving and hire industries, the PC78US-11 combines powerful digging forces with low fuel consumption. The spacious, ROPS-certified cabin offers superior operator comfort and visibility, while the intuitive control layout minimises operator fatigue during long shifts on site.

Details

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Model
PC78US-11
Brand
Komatsu
Type
Excavators
Sub Type
Mini Excavator
Industry
Construction, Earthmoving, Civil Contracting
Operating Weight
7.75t
Transport Width
2,330mm
Transport Length
5,770mm
Transport Height
2,730mm

Machinery Specifications

Technical Specification
Specification Value
Max. Digging Depth 4,100mm
Max. Reach 6,380mm
Max. Dumping Height 5,200mm
Bucket Digging Force 61.3kN
Arm Crowd Force 38.0kN
Tail Swing Radius 1,390mm
Max. Digging Height 7,300mm
Transport Length 5,770mm
Transport Width 2,330mm
Transport Height 2,730mm
Shoe Width 450mm
Ground Pressure 36.3kPa
Engine Specification
Engine Specification Value
Engine Model Komatsu SAA3D95E-1
Engine Type 4-cycle, water-cooled, direct injection, turbocharged, aftercooled
Net Power 50.7kW (68hp) @ 1,850rpm
Gross Power 51.8kW (69.5hp) @ 1,850rpm
Displacement 3.26L
Number of Cylinders 3
Emission Standard EU Stage V / US EPA Tier 4 Final compliant
Fuel Tank Capacity 125L

Additional Information

The Komatsu PC78US-11 incorporates advanced engineering features, including a closed-centre load sensing hydraulic system (CLSS) that optimises hydraulic flow for improved fuel efficiency and precise control. The machine is equipped with Komatsu’s KOMTRAX telematics system, providing real-time data on fuel usage, location, and maintenance alerts to maximise fleet utilisation. Additionally, the eco-gauge and auto-deceleration systems further reduce fuel consumption, making it a highly cost-effective and environmentally conscious choice for modern Australian worksites.

Machinery Data Sheets

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