Used HYUNDAI ROBEX300LC Excavator 30ton for sale High Output Under Heavy Load

1. Core Power & Powertrain (Engine)

The R300LC-9 features a heavy-duty industrial engine tuned for high-torque output, ensuring consistent production rates in high-load digging environments.

Parameter	Metric System	Imperial System	Technical Remarks
Engine Model	Cummins QSL9	Cummins QSL9	6-cylinder, Turbocharged
Net Flywheel Power	172 kW	231 hp	Rated @ 1,900 rpm
Displacement	8.9 L	543 cu in	High torque for primary rock excavation
Emission Standard	Tier 3 / Stage IIIA	Tier 3 / Stage IIIA	Standard configuration for global export

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2. Weight, Capacities & Logistics Dimensions

These specifications are essential for heavy-haul logistics. The R300LC-9 is designed with a reinforced structure to handle high-capacity buckets while remaining transport-compliant for standard flatbed trailers.

Parameter	Metric System	Imperial System	Shipping & Logistics Relevance
Operating Weight	30,200 kg	66,580 lbs	Reinforced HD configuration
Transport Length	10,700 mm	35.10 ft	Optimized for heavy-duty mobilization
Transport Width	3,200 mm	10.50 ft	Wide stance for high-impact stability
Transport Height	3,300 mm	10.83 ft	Clearance-compliant for standard haulers
Fuel Tank Capacity	500 L	132.1 gal	Engineered for long, high-output shifts

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3. Hydraulic & Digging Performance

Hyundai’s CAPO (Computer Aided Power Optimization) system in the 300LC-9 provides rapid hydraulic response, critical for high-volume loading cycles and breaking through dense ground.

Parameter	Metric System	Imperial System	Field Performance Indicator
Max System Flow	2 x 260 L/min	2 x 68.7 gal/min	Variable displacement piston pumps
Operating Pressure	35,000 kPa	5,076 psi	Maximum relief for sustained breakout
Swing Speed	10.2 rpm	10.2 rpm	Efficient cycle times for bulk loading
Bucket Breakout Force	192 kN	43,165 lbf	Superior force for heavy-duty extraction
Stick Digging Force	148 kN	33,270 lbf	Robust power for deep, heavy trenching

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4. Undercarriage & Mobility

The “LC” (Long Carriage) design provides a larger ground contact area, crucial for stability during over-the-side lifting and sustained operation on uneven mine site terrain.

Parameter	Metric System	Imperial System	Underfoot Mobility
Standard Shoe Width	600 mm	24 in	Triple grouser heavy-duty tracks
Max Travel Speed	5.5 km/h	3.4 mph	Dual-speed auto-shift for transit
Max Traction Force	290 kN	65,200 lbf	Reliable climbing power on inclines
Ground Pressure	62.0 kPa	8.99 psi	Balanced footing for high-impact work

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5. Working Ranges

Defining the operational envelope for mining, mass-excavation, and heavy-site infrastructure.

Parameter	Metric System	Imperial System
Max Digging Depth	7,100 mm	23.30 ft
Max Reach (Ground)	10,600 mm	34.78 ft
Max Cutting Height	10,200 mm	33.46 ft
Max Loading Height	7,200 mm	23.62 ft