Kobelco sk120

Types of Kobelco SK120

Both the Kobelco SK120 and its modals are large-sized excavators equipped with powerful diesel engines that provide a high output. This helps lift heavy buckets, allowing them to dig large amounts of earth. The Kobelco SK120 excavator is built on a robust undercarriage that remains stable even in uneven terrain. The hydraulic system is an essential component it controls the flow and pressure of the oil powering the machine's movements and functions. Advanced electronic controls allow for precise regulation of the hydraulic pump and motor, optimizing the excavator's digging power and fuel efficiency.

Its spacious and ergonomic operator cabin is also well emphasized, providing operators with comfort throughout long working hours. The Kobelco SK120 excavator comes with different types of attachable buckets and tools. This feature makes the excavator versatile and suitable for numerous applications. Examples include a digging bucket with a serrated edge for rock excavation and a grapple for junk handling.

Generally, Kobelco SK120 excavators are used for various purposes, such as:

• Earthmoving and Excavation: The SK120LC primarily handles earthmoving tasks, including site clearing, grading, trenching, and land leveling. Its digging buckets and precise controls enable efficient excavation of soil, rocks, and other materials.
• Construction Projects: In urban settings, the SK120 excavator is also widely used for foundation digging, backfilling, and working on infrastructure projects like roads, bridges, and drainage systems.
• Mining and Aggregate Production: In the mining industry, Kobelco SK120 excavators are used in open-pit mining operations to extract minerals, ores, and aggregate materials from quarries. They handle tasks such as digging, loading, and stockpiling.
• Dismantling and Demolition: Equipped with specialized attachments, the SK120 model can also carry out demolition tasks. It can dismantle structures, demolish buildings, and handle debris with precision and control.

Specification & Maintenance of Kobelco SK120

The Kobelco SK120 specifications are compelling. The following specifications show why this model is popular with customers who buy excavators for business:

• Machine weight: The machine weight of the SK120/CK is 12,000 kg (26,455 lb) nominal. The machine weight of the SK120-5E is 12,600 kg (27,800 lb) nominal. In this category, the excavator offers good stability for digging work and also gives a balanced performance.
• Overall dimensions: The overall dimension of the SK120 excavator is 12,157mm x 2,540mm x 2,981mm. (Length x Width x Height). With such overall dimensions, this excavator can tackle big digging work.
• Engine power: The engine power of this excavator is 68.2kW (92 HP) at 2,000 rpm. Its operational efficiency is fuelled by its high engine power output. The excavator can take on heavy tasks with ease.
• Digging depth: The digging depth is 5,990mm (19ft 8 in). The digging depth is very high for this category of excavators. It can reach depths of up to 5,990mm for piling, trenching, and other such tasks.
• Dumping height: The dumping height is 6,480mm (21ft 4in). This excavator can reach a maximum dumping height of 6,480mm. It is ideal for the backfilling of earth and for the construction of elevated structures.
• Bucket : The bucket size varies depending on the task. It ranges from 0.2 m3 (0.26 yd3) for trenching to 0.8 m3 (1.04 yd3) for loading and digging.

Maintenance

Regular maintenance of the Kobelco SK120 excavator is key to keeping it running for a long time. A service and maintenance schedule has been drawn up. It is important to follow this schedule to ensure that the excavator will perform well during its work.

Some routine checks need to be done daily before the excavator is put to use. These checks are:

• Check the levels of the engine oil, coolant, fuel, and hydraulic oil. Top up the levels if needed.
• Inspect the excavator bucket and arm for any signs of wear or damage.
• Check all tracks, belts, and hoses for signs of ware or looseness.
• Check that all electrical systems are operationally fine.

It is necessary to inspect critical parts of the excavator once a week or every 40 hours of operation. These parts include:

• The air cleaner needs to be inspected and cleaned if it is dirty.
• The tracks or tires need to be inspected for wear and adjusted for tension as needed.
• All grease fittings or pins need to be lubricated with a power excavator lube.

Every 240 hours or once every month, carry out the following tasks:

• Inspect the hydraulic system for leaks, cracks, or damage.
• Clean the radiators and coolers. Ensure sufficient airflow to the engine.

At periodic servicing, please refer to the excavator user manual. Do the following as instructed by the maker:

• Change the engine oil, oil filter, fuel filter, and hydraulic return filter.
• Inspect and adjust the tracks and undercarriage.
• Inspect the bucket and arm for any signs of damage.

Following this simple maintenance schedule will ensure proper performance and extend the life of the excavator. It is best to consult a service technician for any repairs that may be required.

Scenarios of using the Kobelco SK120

• Construction Projects:

  Use the Kobelco SK120 in establishing the key foundations on various construction projects like the residential, infrastructures, and commercial ones. Rely on its powerful digging and earth-moving capabilities in tackling massive and tough soil removal and transformation tasks.

• Landscaping and Site Preparation:

  When doing the landscaping and preparing the site for future construction projects, rely on the Kobelco SK120 excavator to level the ground, clear unwanted debris, and reshape the terrain to fulfill the desired plans.

• Demolition and Recycling:

  The excavator can also handle demolition projects quite well, especially when dealing with small to moderate-scale projects. Take advantage of its precision and control abilities to knock down old buildings and structures.

• Material Handling:

  This scenario applies more to the SK120LC model, which has been designed for more easy and smooth material-handling tasks. Equip the excavator with the suitable attachment for handling specific materials, and it will be able to manage and deal with various materials with efficiency.

• Agricultural Tasks:

  The Kobelco SK120 excavator can also be a helpful ally in the agricultural sector. Use it to clear lands, dig irrigation trenches, and establish farm infrastructure to enhance overall productivity.

• Mining Operations:

  The Kobelco SK120 excavator is also suitable for use in mining tasks. Use it together with other heavy equipment to carry out several mining tasks, like ore extraction and site clearance.

How to choose a Kobelco SK120

Focus on a few important aspects of the Kobelco SK120 when selecting it. The amount of work the excavator will perform determines the project it will work on and the specifications required.

• Work type and specifications

  Select the appropriate model by considering the excavator's working weight, engine power, digging capacity, and reach. Choose features like a long reach or a high digger capacity based on your specific tasks.

• Attachment options

  Attachments like buckets, hydraulic hammers, or augers increase versatility. Consider the excavator attachments you will use to select a compatible excavator model.

• Service network and support

  A robust service network and strong support system make maintenance and repairs easy. Select a supplier with a reliable local dealership to ensure proper excavator support.

• Operator comfort and efficiency

  An excavator with features like air conditioning, ergonomic controls, and good visibility improves operator productivity. Choose a model that offers the flexibility to meet work requirements.

Kobelco SK120 Q & A

Q: What does SK in Kobelco SK120 mean?

A: The SK in Kobelco's excavator series stands for "SCASE" that refers to its overall cab and body design.

Q: What is the difference between the SK and the larger models?

A: Smaller models like the Kobelco SK120SR fit better in restricted job sites and can turn without swinging their upper bodies around. Larger models like the Kobelco 120 4ld or 5s are best for big-scale jobs over on-ground stability and digging strength.

Q: What type of motor does Kobelco excavator have?

A: The Kobelco excavators are fitted with a reliable diesel engine. In the case of the SK120, it is a high-performance diesel engine with low fuel consumption.

Q: How is the comfort of the operator ensured in Kobelco excavators?

A: The excavators are designed so that the operators can work all day comfortably. This means easy entry /exit, a well-designed operational layout, low noise level, and good air conditioning and climate control.