Used Komatsu 70-8 Excavator

Reading: 2015

Komatsu PC70-8 (Short for Komatsu 70-8) Compact Crawler Excavator Detailed Introduction

The Komatsu PC70-8 is a 7-ton class high-performance compact crawler excavator developed and manufactured by Komatsu Ltd., the global leading Japanese construction machinery manufacturer. As a core product in Komatsu's small excavator lineup, it is tailored to balance high working efficiency, low operational cost, and strong adaptability for light to medium construction scenarios, and is widely favored by individual contractors and fleet operators worldwide.

1. Core Technical Specifications

Item	Parameter
Operating Weight	6,500 – 7,200 kg (configurable with different attachments)
Engine Model	Komatsu proprietary SAA4D95LE-5 4-cylinder water-cooled turbocharged diesel engine
Rated Net Power	48.5 kW / 65 HP @ 2,200 rpm
Emission Standard	EU Stage 3A / EPA Tier 3
Standard Bucket Capacity	0.3 – 0.38 m³
Max Digging Depth (standard arm)	4,080 mm
Max Digging Reach	6,260 mm
Max Dumping Height	4,220 mm
Swing Speed	11 rpm
Travel Speed	Low: 2.8 km/h / High: 4.5 km/h
Hydraulic System Working Pressure	34.3 MPa
Fuel Tank Capacity	135 L
Operating Noise (inside cab)	≤72 dB(A)

2. Core Features & Technological Advantages

2.1 High-efficiency, low-consumption powertrain

The matched SAA4D95LE-5 engine optimizes fuel injection timing and combustion efficiency, reducing comprehensive fuel consumption by 5-8% compared with the previous generation PC70-7. It is equipped with a 2-stage heavy-duty air filter and pre-cleaner, which can effectively filter dust in harsh construction environments such as mines and quarries, extending engine service life. The average fuel consumption is only 4-6 L per hour under light load, and 7-9 L per hour under heavy digging conditions.

2.2 Precision hydraulic system

It adopts Komatsu's exclusive Closed-center Load Sensing System (CLSS), which precisely matches hydraulic flow with actual operation demands, eliminating unnecessary power loss. The system ensures smooth compound movements (simultaneous digging, swinging and lifting) with no operation lag. It also supports 3 adjustable working modes:

Power (P) Mode: For heavy digging in hard soil/soft rock scenarios
Economy (E) Mode: For light tasks such as landscaping and material loading, reducing fuel consumption
Lifting (L) Mode: For heavy cargo hoisting, ensuring stable and safe operation

2.3 Safe and comfortable operator cab

The cab is ROPS (Roll-over Protective Structure) and FOPS (Falling Object Protective Structure) certified, providing maximum safety guarantee for operators. It is also designed with:

Fully adjustable shock-absorbing suspension seat to reduce fatigue during long-hour operation
Panoramic sealed glass windows to realize 360° unobstructed visibility, effectively avoiding blind spots
Automatic constant-temperature air conditioning and sound insulation layer, keeping the interior quiet and comfortable
Multifunctional LCD monitor, displaying real-time data including fuel level, hydraulic oil temperature, fault codes and working hours for convenient monitoring

2.4 High durability and easy maintenance

Key structural parts (boom, arm, undercarriage frame) are made of high-strength wear-resistant steel, passing 10,000+ hours of extreme working condition tests, with a service life 20% longer than similar products of other brands
All daily maintenance points (fuel filter, oil filter, air filter, lubrication ports) are arranged at ground level, reducing routine maintenance time by 30%
Optional Komatsu exclusive KOMTRAX remote monitoring system, supporting real-time tracking of equipment location, working hours, fuel consumption and fault alarms via cloud platform, convenient for fleet management

3. Typical Application Scenarios

The PC70-8 is highly adaptable for diverse working scenarios:

Urban municipal works: Foundation digging, pipeline laying, road repair, landscaping, garbage removal
Agricultural projects: Farmland consolidation, irrigation ditch excavation, greenhouse construction
Rural infrastructure: Village road construction, small water conservancy project building
Special scenarios: Small building demolition, bulk cargo loading and unloading, forestry timber handling

4. Competitive Advantages

Higher working performance: Its breakout force is 15-20% higher than other 7-ton class excavators in the market, supporting heavy digging tasks in hard formations
Lower total ownership cost: Industry-leading fuel efficiency and low failure rate reduce long-term operation and maintenance costs
Global after-sales support: Komatsu has a sound service network in more than 150 countries, with genuine spare parts and professional maintenance services available in most regions, minimizing downtime
High residual value: Due to its reliable quality and high market recognition, the second-hand resale value of a 3-year-old PC70-8 is 10-15% higher than similar products of other brands.

Non flooded

No accident

Original product

Used Komatsu 70-8 Excavator

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