The Komatsu PC78 is a mid-sized hydraulic excavator known for its reliability, efficiency, and versatility in construction, landscaping, and utility work. Below are the key details:
Operating Weight: ~7,800–8,200 kg (varies by configuration)
Class: 8-ton mini excavator
Engine: Komatsu SAA4D95LE-6 (Tier 4 Final/Stage V compliant)
Power: ~55–60 HP (41–45 kW)
Displacement: ~3.26 liters
Bucket Capacity: ~0.28–0.38 m³ (standard bucket)
Max Digging Depth: ~4.0–4.5 m
Max Reach: ~6.5–7.0 m
Fuel Tank Capacity: ~110 liters
Hydraulic System: Load-sensing, high-efficiency pumps
Travel Speed: ~4.5–5.0 km/h
Swing Speed: ~10–12 rpm
✔ Komatsu Hydraulic System (KHSS) – Smooth and precise control for better efficiency.
✔ ECO Mode – Reduces fuel consumption without losing performance.
✔ Ergonomic Cab – Low noise, air suspension seat, and intuitive controls.
✔ Durable Undercarriage – Long-lasting tracks and reinforced components.
✔ Easy Maintenance – Centralized grease points and easy-access filters.
Urban construction (tight spaces due to compact size)
Trenching & utility work
Landscaping & grading
Material handling (with thumb or grapple attachments)
Model | Weight (kg) | Engine Power (HP) | Bucket Capacity (m³) | Dig Depth (m) |
---|---|---|---|---|
Komatsu PC78 | 7,800–8,200 | 55–60 | 0.28–0.38 | ~4.5 |
Volvo EC80 | ~8,000 | 60 | 0.35–0.45 | ~4.3 |
CAT 308 | ~8,200 | 58 | 0.32–0.40 | ~4.4 |
Hitachi ZX85 | ~8,100 | 56 | 0.30–0.42 | ~4.5 |
PC78US-11 (Zero Tail Swing for confined spaces)
PC78MR-11 (Reduced Swing Radius)
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