2008 Komatsu PC300‑7 Excavator – Powerful 246 hp, 30‑Tonne Class with 1.4 m³ Bucket
Product Overview
Manufactured in early 2008, the Komatsu PC300‑7 hydraulic excavator is a heavy‑duty machine designed for demanding earthmoving tasks. Powered by the turbocharged and aftercooled Komatsu SAA6D114E‑3 engine, it delivers a net power of approximately 184 kW (246 hp) @ 1,900 rpm and torque exceeding 1,000 Nm. With an operating weight around 30 800 kg and a standard bucket capacity ranging between 1.3–1.6 m³, it offers great digging strength, fuel efficiency, and deep reach up to ~7.4 m.
Key Features & Benefits 2008 Komatsu PC300‑7 Excavator
- Powerful Engine: Komatsu’s inline‑6 SAA6D114E‑3 develops ~246 hp net (194 kW) with efficient mechanical fan cooling and direct injection.
- High-Flow Hydraulics: Dual variable‑displacement piston pumps deliver up to 535 L/min for boom, arm, bucket, swing and travel circuits. Closed‑centre, load‑sensing HydrauMind system ensures smooth precision.
- Strong Breakout Force: Bucket digging force ~208 kN, sufficient for heavy penetration tasks.
- Robust Reach & Depth: Max digging reach ~11 m, max depth ~7.4 m and loading height up to ~10.8 m depending on boom/stick configuration.
- Efficient Fuel Capacity: Large 605 L fuel tank and 620 L tank in some configurations, helping minimize downtime.
- Durable Build: Operating weight range ~30 800–31 500 kg depending on undercarriage and attachments. Tail swing ~3.45 m.
Technical Specifications Summary 2008 Komatsu PC300‑7 Excavator
- Engine Power (Net): ~184 kW (246 hp) @ 1,900 rpm
- Operating Weight: ~30 800–31 500 kg
- Bucket Capacity: ~1.3–1.6 m³ heaped
- Hydraulic Flow: ~535 L/min total, two piston pumps
- Digging Force (Bucket): ~208 kN
- Max Dig Depth: ~7 380 mm
- Max Reach Along Ground: ~11 100–11 920 mm
- Loading Height: ~10 700–11 200 mm
- Travel Speed: ~5.5 km/h maximum
- Fuel Tank Capacity: ~605–620 L; Hydraulic reservoir ~188 L; Engine oil ~35 L; Coolant ~32 L.
- Dimensions: Length ~11.14 m; Width ~3.19 m; Height ~3.28 m; Tail swing radius ~3.45 m; Ground clearance ~500 mm.
Ideal Applications
- Heavy bucket excavation and high-reach trenching
- Bulk loading in quarry or aggregate operations
- General civil site earthworks and foundation preparation
- Utility digs and deep digging infrastructure projects
User Feedback & Reliability Notes
Komatsu is widely regarded for engineering reliability, and the PC300‑7 is no exception. Reddit field technicians highlight common turbo/EGR issues in later model ranges—but older units like this PC300‑7 remain simple and predictable.
Maintenance & Operational Advice
Daily checks on undercarriage pins, track tension, hydraulic oil condition and cooling system cleanliness ensure longevity. When relocating the machine, spread the boom and stick to distribute weight across the track to avoid excessive wear. Refer to the operator manual for recommended hydraulic oil intervals and service breakpoints.
- Komatsu PC300-7 excavator digging trench on site
- Operator cab interior of Komatsu PC300-7 showing controls
- PC300-7 bucket filled with soil and working in quarry
📞 Call to Action
Looking for a reliable mid‑30 t excavator with proven digging prowess and fuel efficiency? Contact us for pricing, inspection history, bucket configuration options, or to arrange a demo of this **2008 Komatsu PC300‑7 Excavator**.
