Used Komatsu 70-8 Excavator

Reading: 2014

Komatsu PC70-8 (commonly known as Komatsu 70-8) Crawler Excavator Detailed Introduction

Item	Specific Parameter
Operating Weight	6,700 – 7,100 kg (varies by attachment and configuration)
Engine	Komatsu SAA4D95LE-5, 4-cylinder, water-cooled, 4-stroke direct-injection diesel engine
Rated Net Power	48.5 kW (65 HP) @ 2,200 rpm
Bucket Capacity	0.3 – 0.38 m³ (optional general-purpose bucket, rock bucket, ditch cleaning bucket)
Maximum Digging Depth	4,080 mm
Maximum Digging Radius	6,260 mm
Maximum Digging Height	7,100 mm
Maximum Dumping Height	5,010 mm
Swing Speed	11 rpm
Travel Speed	High: 4.5 km/h / Low: 2.8 km/h
Gradeability	70% (35°)
Fuel Tank Capacity	135 L
Hydraulic Oil Capacity	90 L

The self-developed SAA4D95LE-5 engine has strong low-end torque and overload resistance, with 10-15% lower fuel consumption than the previous generation model under the same workload.
Equipped with Komatsu's proprietary HydrauMind closed load-sensing hydraulic system, it achieves precise control of compound actions (simultaneous operation of digging, swinging, and traveling) without lag, greatly improving operation smoothness and work efficiency.
Two optional working modes: Power (P) mode for heavy-load scenarios such as rock digging and demolition, and Economy (E) mode for light-load scenarios such as earth moving and landscaping, to reduce unnecessary fuel loss.
Built-in boom and arm regeneration function, automatic idle and automatic shutdown functions further reduce fuel consumption and operating costs.

The compact fuselage (total width of 2,220 mm) supports flexible operation in narrow spaces such as urban residential areas, farmlands, and small construction sites.
Optional steel or rubber track shoes, matched with a standard front dozer blade, can meet the needs of different working conditions such as road leveling, site cleaning, and soft ground operation.

The cabin is certified with ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure), which fully guarantees the personal safety of operators in case of rollover or falling object accidents.
The fully sealed sound insulation design reduces the internal operating noise to as low as 74 dB(A), far lower than the industry average.
Equipped with a fully adjustable air suspension seat, ergonomic pilot control joysticks with low operating force, high-efficiency air conditioning system, and wide-view panoramic glass, which greatly reduces operator fatigue during long hours of work.
The 3.5-inch LCD monitor displays real-time operating data including fuel level, water temperature, hydraulic oil temperature and fault codes for easy status checking. Optional reversing camera further eliminates reversing blind spots.

The boom, arm and chassis frame are made of high-strength wear-resistant steel, and undergo stress relief treatment after welding, effectively reducing the risk of cracking under long-term heavy load operation.
All daily maintenance points (oil filling ports, filter elements, inspection ports) are arranged at ground-accessible positions, avoiding climbing operations during routine inspection.
Extended replacement cycle of consumable parts: engine oil and filter replaced every 500 operating hours, hydraulic oil replaced every 2,000 hours, hydraulic return filter replaced every 1,000 hours, reducing maintenance costs and downtime.
Standard equipped with Komatsu KOMTRAX remote monitoring system, supporting real-time viewing of equipment location, operating hours, fuel consumption and fault warning, which is very convenient for fleet management and anti-theft.

Municipal engineering: trench digging, pipeline laying, road maintenance, public facility construction
Landscaping: site leveling, tree pit digging, landscape shaping
Rural infrastructure: residential foundation digging, irrigation channel construction, farmland renovation
Small demolition and material handling: matched with hydraulic breaker for small building demolition, sand and gravel loading and transfer