| Item | Specification |
|---|---|
| Model | PC78US |
| Engine Model | S4D95E |
| Engine Power | 55.4 kW (74.3 hp) @ 2,200 rpm |
| Operating Weight | 7,870 kg |
| Bucket Capacity | 0.30 m³ (Standard) |
| Max Digging Depth | 4,650 mm |
| Max Digging Reach | 6,680 mm |
| Max Digging Height | 5,810 mm |
| Max Dumping Height | 4,420 mm |
| Bucket Breakout Force | 47.5 kN |
| Arm Digging Force | 34.5 kN |
| Hydraulic System Pressure | 24.5 MPa (245 bar) |
| Fuel Tank Capacity | 150 L |
| Hydraulic Tank Capacity | 90 L |
| Travel Speed | 5.3 km/h (High), 2.8 km/h (Low) |
| Gradeability | 30% (16.7°) |
| Track Width | 500 mm |
| Overall Length | 5,670 mm |
| Overall Width | 2,190 mm |
| Cab Type | Fully enclosed, ROPS (Roll-Over Protective Structure) |
| Track Type | Rubber Tracks |
Komatsu PC78US Used Excavator
Description
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Item Specification Model PC78US Engine Model S4D95E Engine Power 55.4 kW (74.3 hp) @ 2,200 rpm Operating Weight 7,870 kg Bucket Capacity 0.30 m³ (Standard) Max Digging Depth 4,650 mm Max Digging Reach 6,680 mm Max Digging Height 5,810 mm Max Dumping Height 4,420 mm Bucket Breakout Force 47.5 kN Arm Digging Force 34.5 kN Hydraulic System Pressure 24.5 MPa (245 bar) Fuel Tank Capacity 150 L Hydraulic Tank Capacity 90 L Travel Speed 5.3 km/h (High), 2.8 km/h (Low) Gradeability 30% (16.7°) Track Width 500 mm Overall Length 5,670 mm Overall Width 2,190 mm Cab Type Fully enclosed, ROPS (Roll-Over Protective Structure) Track Type Rubber Tracks
Komatsu PC78US Used Excavator Overview
The Komatsu PC78US is a high-performance, compact excavator designed for urban construction and demolition projects. With an operating weight of 7,870 kg, it is built for maneuverability in narrow and congested work sites while still offering powerful digging capabilities. The S4D95E engine, producing 55.4 kW (74.3 hp) at 2,200 rpm, ensures efficient operation and enhanced fuel economy, making it ideal for longer work hours without frequent refueling.
The PC78US is equipped with a 0.30 m³ bucket capacity and offers a bucket breakout force of 47.5 kN, ensuring it can handle tough material handling tasks. Its maximum digging depth of 4,650 mm and maximum reach of 6,680 mm provide excellent versatility for deep and extended excavations in confined spaces. The excavator’s compact design, along with rubber tracks, provides stability and minimizes damage to surfaces, making it ideal for urban environments.
This model offers precise hydraulic control with a 24.5 MPa pressure system, which enhances its productivity in both digging and lifting applications. The PC78US is designed for ease of operation with a fully enclosed ROPS cabin, ensuring operator safety and comfort during extended shifts. Whether working on road construction, landscaping, or utility installation, the Komatsu PC78US is a reliable and efficient machine, combining strength with compactness for maximum productivity in limited spaces. Its durability and operational efficiency make it a top choice for professionals in the construction industry.
