Mitsubishi MS120 Excavator: Specs, Issues, and Solutions

Review and Overview of the Mitsubishi MS120 Excavator

The Mitsubishi MS120 excavator is a robust piece of machinery designed to tackle a variety of construction and excavation tasks. Known for its reliability and efficiency, this excavator has carved a niche for itself in the competitive world of heavy equipment. Whether you’re digging foundations, grading land, or performing site cleanup, the MS120 is engineered to deliver performance that meets the demands of modern construction sites.

Performance and Versatility

One of the standout features of the MS120 is its versatility. This excavator is equipped to handle a range of attachments, making it suitable for various applications. From standard digging buckets to specialized attachments like hydraulic hammers and grapples, the MS120 can adapt to the job at hand. This flexibility not only enhances productivity but also reduces the need for multiple machines on-site, saving both time and money.

The MS120 is powered by a reliable engine that provides ample horsepower, ensuring that it can tackle tough terrain and heavy materials without breaking a sweat. Its hydraulic system is designed for efficiency, allowing for smooth operation and precise control, which is crucial when working in tight spaces or on delicate projects.

Durability and Build Quality

When it comes to construction equipment, durability is non-negotiable. The Mitsubishi MS120 is built with high-quality materials and components that can withstand the rigors of daily use. Its reinforced frame and heavy-duty undercarriage ensure that it can handle rough conditions, whether you’re working in muddy fields or rocky landscapes. This durability translates into lower maintenance costs and longer service life, making the MS120 a smart investment for contractors and construction companies.

Operator Comfort and Control

Operator comfort is another critical aspect of the MS120’s design. The cab is spacious and ergonomically designed, providing excellent visibility and easy access to controls. This thoughtful layout reduces operator fatigue, allowing for longer working hours without compromising performance. Additionally, the MS120 features advanced control systems that enhance maneuverability, making it easier for operators to navigate complex job sites.

In summary, the Mitsubishi MS120 excavator stands out as a reliable, versatile, and durable machine that meets the needs of modern construction. Its combination of performance, adaptability, and operator comfort makes it a valuable asset for any construction fleet. Whether you’re a seasoned contractor or a newcomer to the industry, the MS120 is worth considering for your next project.

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Mitsubishi MS120 Excavator Specs

The Mitsubishi MS120 excavator is a powerful machine that combines advanced engineering with practical features. Designed to meet the demands of various construction and excavation tasks, the MS120 is equipped with specifications that ensure optimal performance and reliability. Below, we delve into the detailed specifications of this excavator, covering key aspects such as the engine, dimensions, weight, and working capabilities.

Engine Specifications

The heart of the Mitsubishi MS120 is its robust engine, which provides the necessary power to tackle tough jobs. Here’s a breakdown of the engine specifications:

Specification Details
Engine Model Mitsubishi 4D34
Type 4-Cylinder Diesel
Power Output 85 HP (63 kW)
Torque 320 Nm
Displacement 3.4 L
Fuel Tank Capacity 70 L

Dimensions

The dimensions of the MS120 are crucial for understanding its capabilities and suitability for various job sites. Here’s a detailed look at its dimensions:

Specification Details
Overall Length 5,600 mm
Overall Width 2,200 mm
Overall Height 2,600 mm
Track Width 600 mm
Track Length 2,300 mm
Ground Clearance 400 mm

Weight

Understanding the weight of the MS120 is essential for assessing its stability and transportability. Here are the weight specifications:

Specification Details
Operating Weight 12,000 kg
Counterweight 2,000 kg
Maximum Load Capacity 4,000 kg

Working Specifications

The working capabilities of the Mitsubishi MS120 are what make it a go-to choice for many contractors. Here’s a look at its working specifications:

Specification Details
Maximum Digging Depth 4,200 mm
Maximum Reach 6,500 mm
Bucket Capacity 0.5 m³
Arm Length 2,300 mm
Boom Length 3,500 mm
Swing Radius 1,800 mm

The Mitsubishi MS120 excavator is designed to deliver exceptional performance across various applications, making it a reliable choice for contractors looking for efficiency and power in their equipment. With its impressive specifications, this excavator stands ready to tackle the toughest jobs in the field.

Problems and Recommendations for the Mitsubishi MS120 Excavator

While the Mitsubishi MS120 excavator is a reliable and powerful machine, like any piece of heavy equipment, it is not without its challenges. Understanding these potential problems and knowing how to address them can help operators and owners maximize the machine’s lifespan and performance. Below, we discuss common issues faced by MS120 users and provide practical recommendations to mitigate these challenges.

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Common Problems

1. Hydraulic System Issues
– Hydraulic leaks can occur due to wear and tear on hoses and seals.
– Insufficient hydraulic fluid can lead to sluggish performance and reduced lifting capacity.

2. Engine Performance Problems
– Overheating can be a concern, especially in hot weather or during prolonged use.
– Fuel quality can impact engine efficiency and longevity.

3. Undercarriage Wear
– The undercarriage is susceptible to damage from rough terrain, leading to increased maintenance costs.
– Track tension issues can cause uneven wear and affect stability.

4. Electrical System Failures
– Electrical components may fail due to exposure to harsh conditions or corrosion.
– Battery issues can arise, particularly in cold weather, affecting starting performance.

5. Operator Comfort and Ergonomics
– Extended use can lead to operator fatigue if the cab is not ergonomically designed.
– Limited visibility can pose safety risks, especially in tight spaces.

Recommendations for Maintenance and Operation

To address these issues effectively, here are some recommendations for maintaining and operating the Mitsubishi MS120 excavator:

Regular Maintenance

– Schedule routine inspections of the hydraulic system to identify and fix leaks promptly.
– Change hydraulic fluid and filters according to the manufacturer’s guidelines to ensure optimal performance.
– Monitor engine temperature and coolant levels, especially during hot weather, to prevent overheating.

Quality Fuel and Lubricants

– Use high-quality fuel to improve engine performance and reduce the risk of damage.
– Regularly check and replace engine oil to maintain lubrication and efficiency.

Undercarriage Care

– Inspect the undercarriage frequently for signs of wear and damage, and replace components as needed.
– Adjust track tension regularly to prevent uneven wear and enhance stability.

Electrical System Checks

– Inspect electrical connections and components for signs of corrosion or damage, especially in harsh environments.
– Keep the battery charged and replace it if performance declines, particularly before winter.

Enhancing Operator Comfort

– Ensure that the cab is clean and free of obstructions to improve visibility.
– Consider adding ergonomic accessories, such as seat cushions or adjustable controls, to enhance comfort during long hours of operation.

By proactively addressing these common problems and following the recommendations outlined above, operators can ensure that the Mitsubishi MS120 excavator remains a reliable and efficient workhorse on any job site. Regular maintenance and attention to detail can significantly extend the machine’s lifespan and improve overall performance.

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