Used Kobelco SK200-8 Excavator

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Here is a detailed introduction to the Kobelco SK200-8 hydraulic excavator in English.

Kobelco SK200-8 Hydraulic Excavator: A Comprehensive Overview

The Kobelco SK200-8 is a 20-ton class hydraulic excavator that was a flagship model in Kobelco’s Generation 8 lineup. Designed with a strong focus on fuel efficiency, environmental performance, and operator comfort, the SK200-8 built upon the legacy of the popular SK200-6 and -6E series while introducing significant technological advancements. It is widely recognized for its powerful yet economical performance in a variety of applications, including construction, utility work, landscaping, and light quarrying.

Key Features and Technological Innovations

1. Advanced Engine and Emissions ComplianceAt the heart of the SK200-8 is a powerful and clean HINO J05E-TB 4-cylinder, water-cooled, direct-injection turbocharged diesel engine. This powerplant delivers a net output of 114 horsepower (84 kW) at 2,100 rpm. A defining feature of this model is its compliance with stringent emission standards. Depending on the market, the engine meets U.S. EPA Tier 3 and EU Stage IIIA regulations through the use of a cooled Exhaust Gas Recirculation (EGR) system and a high-pressure common-rail fuel injection system. This combination optimizes combustion, drastically reducing particulate matter and nitrogen oxides (NOx) without compromising power or torque.

2. Intelligent Total Control System (ITCS)The SK200-8 incorporates Kobelco’s advanced ITCS. This integrated electronic system monitors and controls the engine and hydraulic pumps in real-time. By precisely matching hydraulic flow to the load demand, ITCS eliminates unnecessary power loss and ensures that every drop of fuel is used effectively. The system contributes directly to the machine’s class-leading fuel economy and smooth, predictable operation.

3. iNDr (Integrated Noise and Dust Reduction) Cooling SystemA standout feature of the Generation 8 series is the iNDr cooling system. Unlike conventional single-pass cooling boxes, iNDr uses a novel layout where the radiator, oil cooler, intercooler, and air-conditioning condenser are arranged in a thermally optimized, box-like configuration with a viscous fan clutch. This design achieves two critical goals:

Ultra-Low Noise: By minimizing the airflow resistance and fan speed requirements, the machine operates at remarkably low noise levels, making it ideal for urban job sites.
Dust Prevention: The system creates a positive pressure within the engine compartment. It draws air from a high-level inlet and expels it powerfully outward, preventing dust from being sucked into the coolers. This keeps the cores clean for longer, extending service intervals and ensuring consistent cooling performance even in dusty environments.

Performance and Hydraulics

The SK200-8 is celebrated for its fast cycle times and exceptional control. The hydraulic system features a load-sensing, closed-center system with variable-displacement piston pumps. This “power on demand” approach means the pumps only generate the flow required for the task, minimizing energy waste.

Digging Force: The machine delivers impressive bucket and arm digging forces, allowing it to power through tough soils with ease. The arm crowd force reaches approximately 12,100 kgf (119 kN), and the bucket digging force is around 15,200 kgf (149 kN).
Working Modes: Operators can choose between different work modes, such as Heavy Lift, Standard, and Breaker modes, to tailor the machine’s hydraulic response and engine speed to the specific attachment or application. An automatic power-boost function provides additional digging force on demand for up to 8 seconds.
Smooth Combination Operations: The hydraulic system is finely tuned for simultaneous operations, such as lifting the boom while swinging and crowding the arm. This smoothness enhances fine grading capabilities and makes pipe-laying and lifting work more precise.

Operator Comfort and Cab Environment

Kobelco placed a high priority on operator comfort to reduce fatigue and boost productivity. The SK200-8 cab is a spacious, pressurized ISO-certified structure (ROPS/FOPS) that isolates the operator from external noise and dust.

Ergonomic Layout: The joystick consoles and seat are fully adjustable to suit any operator’s build. All switches are logically grouped on the right-hand console for easy access.
7-Inch Multi-Color LCD Monitor: A high-visibility screen displays critical operating data, including fuel consumption, maintenance intervals, machine warnings, and rear-view camera feed (on select models). It allows operators to set attachment flow rates and work modes directly.
Climate Control: A high-capacity automatic air conditioning system ensures a comfortable working environment in all weather conditions.
Visibility: The cab features a wide, curved front glass and a large overhead window for excellent visibility to the trench and above the machine. A standard right-side camera and large mirrors enhance safety on the jobsite.

Durability and Ease of Maintenance

The SK200-8 was engineered with long-term reliability and simple serviceability in mind.

Robust Structures: The reinforced undercarriage features durable X-frame construction and lubricated track chains. The boom and arm are manufactured from high-tensile-strength steel with thick, cast components at critical stress points.
Centralized Service Points: The filters (engine oil, fuel, and hydraulic pilot filter) and the water separator are grouped together behind a waist-height, swing-out door for quick daily checks. A large rear hood provides easy access to the engine and cooling cores.
Extended Intervals: The iNDr system, combined with long-life filters and hydraulic oil, extends service intervals significantly, reducing downtime and ownership costs. Hydraulic oil change intervals can reach up to 5,000 hours.

SK200-8 Key Specifications

Operating Weight: Approx. 20,600 kg (45,420 lbs) with standard boom, arm, and 0.8 m³ bucket.
Engine Model: HINO J05E-TB (Tier 3 / Stage IIIA)
Engine Output: 84 kW (114 HP) @ 2,100 rpm
Bucket Capacity: 0.8 m³ (1.05 yd³) – typical standard bucket; ranges from 0.5 to 1.0 m³.
Max Digging Depth: 6,700 mm (22 ft 0 in)
Max Dumping Height: 6,860 mm (22 ft 6 in)
Max Digging Reach (Ground Level): 9,940 mm (32 ft 7 in)
Bucket Digging Force: 149 kN (33,510 lbf) [ISO]
Arm Crowd Force: 119 kN (26,750 lbf) [ISO]
Swing Speed: 12.5 rpm
Travel Speed: 3.8 / 6.0 km/h (Low / High)
Tail Swing Radius: 2,750 mm (9 ft 0 in)

Conclusion

The Kobelco SK200-8 represents a successful blend of power, precision, and economy. Its HINO clean-engine technology, innovative iNDr cooling system, and intelligent hydraulic control made it a favorite among contractors seeking a reliable, low-cost-of-operation excavator with exceptional operator comfort. While it has been succeeded by newer models like the SK200-10 and -11, the SK200-8 remains a highly respected and sought-after machine on the used equipment market for its proven durability and performance.

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Original product

Used Kobelco SK200-8 Excavator

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