Engine Specifications and Hydraulic Efficiency
The SK220 is powered by a rugged 4-cylinder or 6-cylinder direct-injection turbocharged diesel engine engineered for high fuel economy.
Kobelco's innovative hydraulic regeneration system channels return oil directly to the boom circuit, reducing hydraulic pump load and cutting diesel consumption.
- Operating Weight: Approx. 22 tonnes (21,800 to 22,200 kg) with standard heavy-duty counterweight
- Engine Output: 150 to 160 HP delivered at low rated RPM, generating massive hydraulic torque reserve
- Hydraulic Flow: Dual variable-displacement axial piston pumps delivering high hydraulic flow for simultaneous digging and swinging
- Operating Modes: Eco Mode (for light ditching and maximum diesel savings) and Heavy Mode (for rock breaking and fast truck loading)
Heavy-Duty Structural Reinforcement (XD Series)
The XD (Extra Duty) specification is tailored specifically for demanding Indian working conditions, with reinforced booms and undercarriages.
Thick high-tensile steel plates and forged pivot brackets prevent structural fatigue when excavating hard basalt or compacted caliche.
- Heavy-Duty Boom & Arm: Steel plate thickness increased at critical stress points with internal baffle plates
- Forged Boom Foot: Forged steel boom foot and brackets resisting torsional twist during heavy side-trenching
- Reinforced Undercarriage: Heavy-duty X-frame track frame with thick idler brackets and full track guards protecting track rollers
Watershed Construction and Agro-Industrial Utility
In large-scale agricultural development, the SK220 executes heavy earthmoving that exceeds the capacity of smaller backhoes.
It is deployed to dig massive community irrigation reservoirs, deepen river courses, and construct flood-protection revetments.
- Large Water Reservoirs: Excavating millions of cubic meters of earth for state lift irrigation projects and Amrit Sarovars
- Quarrying & Mining: Loading blasted rock, road aggregates, and limestone feeding rural cement and highway projects
- Maintenance Schedule: 500-hour engine oil drain intervals and 5000-hour hydraulic oil lifespan reducing lifetime operating costs
Official source
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Common questions
What is the operating weight of the Kobelco SK220 excavator?
The Kobelco SK220 has an operating weight of approximately 22 tonnes (21,800 to 22,200 kg).
What is the key advantage of Kobelco's hydraulic regeneration system?
It redirects hydraulic oil from returning cylinders back into active circuits, reducing pump workload and significantly lowering fuel consumption.
What does 'XD' stand for on Kobelco excavators?
'XD' stands for Extra Duty, indicating reinforced booms, thicker steel plating, and heavy-duty undercarriages designed for tough working environments.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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