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1980 CAT 955 Track Loader: A Classic Workhorse in Need of Attention
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The 1980 CAT 955 track loader is a robust piece of heavy equipment, valued for its power, reliability, and versatility. As one of Caterpillar’s iconic machines, the 955 has been used across various industries, including construction, mining, and agriculture. However, after decades of use, operators may begin to face issues that are inherent to older machines. In this article, we’ll take a deeper dive into the 1980 CAT 955 track loader, its design, common issues, and what can be done to ensure it continues to perform efficiently.
Overview of the CAT 955 Track Loader
The CAT 955 track loader, introduced in the late 1970s, was designed to offer high productivity and reliability. With a powerful diesel engine, a sturdy hydraulic system, and a versatile bucket design, the 955 was made for tough, heavy-duty tasks. Its wide-track design gave it the ability to handle challenging terrains, making it suitable for everything from moving materials on a construction site to working in quarries or forestry environments.
The 955 is equipped with a mechanical transmission and is powered by a 4-cylinder, turbocharged engine. Despite being designed decades ago, the 955 has managed to maintain a reputation for durability, and many of these machines are still operational today, often serving as backup loaders or budget-friendly alternatives in various sectors.
Common Problems with the 1980 CAT 955 Track Loader
As with any older piece of machinery, the 1980 CAT 955 track loader comes with its own set of challenges. The age of the machine, combined with the wear and tear from years of heavy use, means that certain parts and components will require attention more frequently.
1. Hydraulic System Issues
The hydraulic system is one of the most critical aspects of any track loader. For the 955, hydraulic problems are a common complaint among operators. Issues like leaks in the hydraulic hoses, worn-out seals, or failures in the pump can lead to reduced performance and efficiency.
One of the frequent problems encountered with the 955 is a lack of power in the hydraulics. This could be a result of the pump not delivering enough fluid pressure, which may lead to sluggish bucket movement or difficulty with lifting and tilting. Replacing or repairing the hydraulic pump and checking for any leaks in the system should be a priority when dealing with these issues.
2. Engine Problems and Overheating
The 1980 CAT 955’s engine, while built to last, can face issues after several decades of operation. Overheating is a recurring issue due to factors such as clogged radiators, worn-out thermostats, or malfunctioning water pumps. Regular maintenance of the cooling system is crucial to avoid engine damage from overheating.
Another engine-related issue is difficulty starting, especially in colder climates. The battery or fuel system might be to blame, particularly if the fuel lines are clogged or the fuel injectors are not functioning properly. Regular checks on the fuel system and ensuring the air filters are clean can help prevent these problems.
3. Track and Undercarriage Wear
The undercarriage of the CAT 955 track loader is designed to withstand the rigors of rough terrain. However, with age and extensive use, the tracks, sprockets, and rollers will begin to show signs of wear. Over time, this wear can affect the machine's stability and reduce its ability to perform at full capacity.
If the tracks are not properly aligned or if they are excessively worn, they may need to be replaced. Replacing the tracks on the 955 can be expensive, but it’s essential for ensuring the longevity and proper functioning of the machine.
4. Transmission Issues
Transmission failures are another issue commonly reported with older CAT 955 models. Over time, the mechanical transmission can wear out, leading to slipping, jerky movements, or a complete loss of power to the tracks. If this happens, the transmission may need to be rebuilt or replaced.
While transmission issues can be costly to repair, the CAT 955’s robust construction often makes it worth the investment. Rebuilding the transmission may also present an opportunity to improve its performance, particularly if better parts or modern upgrades are available.
Maintenance and Repair Tips for Longevity
To keep a 1980 CAT 955 track loader running smoothly, regular maintenance is essential. Here are a few tips that can help operators maximize the life of this classic machine:
  • Regular Fluid Changes: Keep the engine oil, hydraulic fluid, and transmission oil changed on schedule. Old or contaminated fluids can cause excessive wear and tear on the components.
  • Check and Replace Filters: The air filter, fuel filter, and hydraulic filters should be inspected and replaced regularly. Clean filters ensure optimal performance and help prevent debris from entering vital parts of the engine and hydraulics.
  • Inspect the Tracks: Regularly inspect the tracks for wear, tension, and alignment. Proper track maintenance will extend the life of the undercarriage and keep the loader operating smoothly.
  • Monitor the Hydraulic System: Leaks in hydraulic lines or low fluid levels can quickly lead to hydraulic failures. Always check for leaks and ensure the system is operating at the correct pressure.
  • Check Cooling System: The cooling system should be regularly flushed and inspected. Overheating can cause major engine damage, so it’s important to keep the radiator and water pump in good working order.
The CAT 955 in Modern Times
Even though the 1980 CAT 955 is now considered an older model, it still has its place in the market, especially for small businesses or operations looking for a cost-effective solution. The 955’s simplicity and durability have ensured that it remains a popular choice for those who want a dependable track loader without the price tag of newer models.
Interestingly, some operators choose to restore these vintage machines rather than replacing them with modern equivalents. The restoration process often involves overhauling the engine, transmission, and hydraulics, making these machines functional for years to come. This is not only a cost-effective choice but also a way to preserve a piece of heavy equipment history.
Conclusion
The 1980 CAT 955 track loader remains an important machine in the heavy equipment world, especially for those who appreciate its reliability and simplicity. However, like all older machines, it comes with its own set of challenges. Regular maintenance, proper attention to the hydraulic system, engine, and undercarriage, as well as addressing common issues like overheating and transmission wear, can help keep this workhorse running smoothly for years to come. Whether you’re using it for everyday tasks or restoring it to its former glory, the CAT 955 still has much to offer.
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