Used Komatsu 70-8Excavator

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📌 Overview

The Komatsu PC70-8 is a 7-ton class mini (compact) excavator and the 8th generation of Komatsu's popular PC70 series. It is designed for versatility, fuel efficiency, and operator comfort, making it ideal for small-to-medium construction, landscaping, utility work, and agricultural applications.

🔧 Engine Specifications

Parameter	Details
Engine Model	Komatsu SAA4D95LE-5
Type	4-cylinder, water-cooled, turbocharged diesel
Displacement	2.494 liters
Rated Power	~40.4 kW (54.2 hp) @ 2,200 rpm
Emissions Standard	EPA Tier 4 Final / EU Stage V
Fuel Tank Capacity	~110 liters (29 US gal)

✅ The engine features a DPF (Diesel Particulate Filter) and SCR (Selective Catalytic Reduction) system for cleaner emissions.

& Dimensions & Weight

Parameter	Value
Operating Weight	6,830 – 7,030 kg (15,057 – 15,498 lbs)
Overall Length	~5,995 mm (19 ft 8 in)
Overall Width	~2,130 mm (7 ft 0 in)
Overall Height	~2,560 mm (8 ft 5 in)
Ground Clearance	~370 mm (14.6 in)
Track Width	Adjustable: 1,000 – 1,500 mm

🏗️ Performance & Digging Capacity

Parameter	Value
Standard Bucket Capacity	0.22 – 0.28 m³ (0.29 – 0.37 cu yd)
Max Digging Depth	~4,050 mm (13 ft 3 in)
Max Reach (Ground Level)	~5,950 mm (19 ft 6 in)
Max Digging Height	~5,600 mm (18 ft 4 in)
Max Dump Height	~4,060 mm (13 ft 4 in)
Swing Speed	~11.5 rpm
Travel Speed	~4.5 km/h (2.8 mph)
Max Tractive Force	~42 kN (9,442 lbf)

🛢️ Hydraulic System

Parameter	Details
Pump Type	Variable Displacement Axial Piston
System Pressure	~34.3 MPa (4,975 psi)
Flow Rate	~130 L/min (34.3 US gpm)
Hydraulic Circuit	Load-sensing system with power-boost function

⭐ Key Features of the PC70-8 (8th Generation)

🖥️ Komatsu Intelligent Machine Control (iMC)

Built-in 2D/3D grade control compatibility
Reduces operator skill dependency
Improves digging accuracy and productivity

🌿 ECO Mode

Automatically optimizes engine speed & hydraulic flow
Up to 10–15% fuel savings compared to previous models

🪑 Operator Comfort

Feature	Details
Spacious Cab	Enhanced legroom & headroom
Air-Conditioning	Full climate control with filter
Suspension Seat	Adjustable, with armrests
Noise Level	~67 dB(A) — one of the quietest in class
ROPS/FOPS	Roll-Over & Falling Object Protective Structure
LCD Monitor	Multi-function display with diagnostics
Joystick Control	Ergonomic proportional controls

🔧 Maintenance-Friendly Design

Side-opening engine hood for easy access
Ground-level service points
Extended service intervals (500-hour oil change)
Centralized grease points

🔄 Available Attachments (Quick Coupler)

Attachment	Application
🪣 Buckets	Digging, trenching, grading (various sizes)
🔨 Hydraulic Breaker	Demolition, concrete breaking
🪓 Hydraulic Thumb	Grappling, handling materials
🌀 Auger	Post-hole drilling
🧹 Sweeper	Road/site cleaning
🔀 Ripper	Hard ground breaking
🌲 Grapple	Log handling, waste management

📊 Comparison: PC70-8 vs PC70-7 (Previous Gen)

Feature	PC70-7	PC70-8
Engine	SAA4D95LE-3	SAA4D95LE-5
Power	39.1 kW (52.4 hp)	40.4 kW (54.2 hp)
Fuel Efficiency	Standard	~10% better (ECO mode)
Emissions	Tier 4i	Tier 4 Final
Noise	~70 dB(A)	~67 dB(A)
iMC Ready	❌	✅
Cab Comfort	Good	Significantly improved

🌍 Common Applications

Sector	Usage
🏗️ Construction	Small foundation work, trenching, utility installation
🌳 Landscaping	Grading, planting, tree removal
🔌 Utilities	Pipeline, cable, and drainage work
🌾 Agriculture	Ditching, land clearing, fence work
🏚️ Demolition	Small building demolition (with breaker)
🛣️ Road Work	Curb installation, road repair

💰 Approximate Pricing (2024)

Region	Price Range (USD)
🇺🇸 USA	$55,000 – $75,000
🇪🇺 Europe	€50,000 – €70,000
🇦🇺 Australia	AUD $90,000 – $120,000
🌏 Asia	Varies by market

Prices depend on configuration, attachments, and dealer.

✅ Summary — Why Choose the PC70-8?

Strength	Detail
&Fuel Efficient**	ECO mode + improved engine
🔇 Quiet Operation	~67 dB(A) — great for urban work
🧠 Smart Technology	iMC-ready, diagnostics, telematics
🪑 Comfortable	Best-in-class cab for a mini excavator
🔧 Low Maintenance	Extended intervals, easy service access
🌍 Emissions Compliant	Tier 4 Final / Stage V

The Komatsu PC70-8 is widely regarded as one of the best 7-ton mini excavators on the market, combining Komatsu's legendary reliability with modern technology and operator-focused design. It's a top choice for contractors who need a compact, efficient, and comfortable machine for daily use. 🚜💪