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79 Mitsubishi BD2G: A Classic Dozer in the Modern Era
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The 1979 Mitsubishi BD2G is a compact, reliable crawler dozer that has stood the test of time in various industries such as construction, mining, and landscaping. While older models like the BD2G may not have the modern features of today's machines, their simplicity, durability, and ruggedness still make them a valuable tool for many operators. In this article, we will dive into the features, potential issues, and maintenance of the 79 Mitsubishi BD2G, and how it compares to modern dozers.
The Appeal of the Mitsubishi BD2G
Despite being over four decades old, the Mitsubishi BD2G has earned a reputation for being a tough, no-frills machine. This small dozer was primarily designed for use in tight spaces where larger machines might struggle to operate. Its compact size makes it ideal for small-scale projects or for use in confined job sites. Here’s why the BD2G still holds appeal:
  1. Simplicity and Durability
    The BD2G’s design emphasizes simplicity. With fewer electronic systems and advanced computer components than newer machines, it’s easier for operators and technicians to diagnose and fix problems. This simplicity also contributes to its durability, as the mechanical parts are less prone to failure due to fewer electronic components.
  2. Compact and Versatile
    The BD2G is compact, making it ideal for smaller projects where space is limited, such as residential landscaping, trenching, or light grading work. Its small footprint also allows it to work in areas that larger dozers cannot access, adding to its versatility.
  3. Affordable Operating Costs
    Many operators of older machinery, like the BD2G, appreciate the relatively low operating costs compared to modern dozers. These machines tend to have simpler engines, requiring fewer costly repairs or sophisticated diagnostic tools.
  4. Mechanical Ease of Maintenance
    Another notable feature of the BD2G is the relative ease of maintenance. It doesn't rely on complex hydraulic systems or electronic sensors, making repairs less complicated. Operators can often perform maintenance and repair tasks themselves, which saves on expensive labor costs.
Common Issues with the 79 Mitsubishi BD2G
Like all older machines, the BD2G comes with its own set of challenges. While it’s generally durable, some common issues have been reported by operators, including:
  1. Engine Overheating
    Some operators have noted that the BD2G's engine can overheat, especially under heavy load or in extreme conditions. This could be a result of cooling system problems, such as a blocked radiator, low coolant levels, or a faulty thermostat. Regular checks of the cooling system can help prevent this issue.
  2. Hydraulic Leaks
    Over time, seals and hoses in the hydraulic system can degrade, leading to leaks. Hydraulic oil leaks can affect the performance of the blade and other hydraulic-driven components. It's important to inspect the hydraulic system regularly to catch leaks before they become serious problems.
  3. Track and Undercarriage Wear
    As with any crawler dozer, the track and undercarriage are constantly exposed to harsh conditions. Tracks and rollers can wear down over time, especially if the machine is used on rough or uneven terrain. Inspecting the undercarriage and replacing worn components like sprockets, rollers, and tracks can help extend the life of the machine.
  4. Electrical Issues
    Given the age of the BD2G, some operators report occasional electrical problems, such as issues with the starter, alternator, or battery. These are often due to age and wear on the electrical system but can be relatively easy to fix with the proper parts.
Maintaining the Mitsubishi BD2G for Longevity
Despite its age, with proper care and maintenance, the BD2G can continue to perform well for many years. Here are some tips for maintaining this classic machine:
  1. Regular Fluid Checks
    The engine oil, hydraulic fluid, and coolant should be checked regularly. These fluids are the lifeblood of the machine, and maintaining proper levels and cleanliness is key to ensuring the engine and hydraulic systems operate efficiently.
  2. Monitor the Tracks
    Regularly inspect the tracks and undercarriage for wear. Look for signs of wear on the sprockets and rollers. Maintaining proper track tension and replacing worn parts can prevent more significant issues with the drivetrain.
  3. Check the Hydraulic System
    Ensure that there are no leaks in the hydraulic system. This includes checking the hoses, seals, and fittings for damage. Replacing worn seals and gaskets promptly can prevent fluid loss and help maintain the efficiency of the hydraulic system.
  4. Cooling System Maintenance
    Clean the radiator regularly to prevent clogging, which can lead to engine overheating. Also, check the coolant levels and ensure that the water pump is functioning correctly. Maintaining the cooling system will prevent potential engine damage due to overheating.
  5. Electrical System Checks
    Inspect the electrical system for any signs of wear or corrosion, particularly on the battery terminals, wiring, and starter motor. Keeping the electrical system in good condition will reduce the likelihood of electrical failures.
Real-Life Application: Still Valuable in the Modern Era
While the 79 Mitsubishi BD2G may no longer be a common sight on large-scale construction sites, it remains a valuable machine for small to medium-sized tasks. For example, landscaping companies often turn to these older machines for tasks such as land clearing, trenching, and grading. The BD2G's compact size allows it to work on residential properties or other areas where space is tight.
One story comes from a landscaping company in rural America that purchased a used Mitsubishi BD2G for their operations. They found that, despite the age of the machine, it performed exceptionally well for its size and was easy to maintain. They appreciated that they didn’t have to worry about expensive diagnostic tools or dealer visits. The simplicity of the BD2G made it a favorite in their fleet, proving that a well-maintained older machine can be just as reliable as a newer model.
Comparison to Modern Dozers
In comparison to modern machines, the Mitsubishi BD2G might lack the advanced features like GPS systems, automated controls, or the hydraulic power of larger dozers. However, modern dozers come with significantly higher price tags and may have more complex systems that require specialized training for repair and maintenance. The BD2G, on the other hand, is still a popular choice for those who need a machine that is simple, durable, and cost-effective.
It’s also worth noting that some newer machines incorporate "eco-friendly" technologies to reduce emissions or fuel consumption. While these innovations are great for reducing the environmental impact, they can also increase the complexity and cost of maintenance. For those working in industries where budget constraints are tight, the Mitsubishi BD2G offers an affordable solution with lower operating costs.
Conclusion
The 79 Mitsubishi BD2G is a compact, reliable, and straightforward dozer that continues to serve its purpose in various industries. Despite its age, the machine offers significant value for those who need a small, maneuverable dozer for tight spaces or specialized projects. With regular maintenance, the BD2G can continue to operate efficiently for many years. It stands as a reminder that, while technology continues to evolve in the heavy equipment industry, simplicity and durability still hold their place in the world of machinery.
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