Comprehensive Guide to the Bobcat MT 55: Features, Issues, and Maintenance

[MikePhua]

The Bobcat MT 55, a versatile mini track loader, is designed to tackle a wide variety of tasks in confined spaces where traditional skid steers cannot fit. With its compact design, it excels in both residential and commercial settings, especially for landscaping, site preparation, and material handling. However, like any piece of machinery, it can experience performance issues that require attention. This article aims to provide a detailed exploration of the Bobcat MT 55, highlighting its features, common issues, and tips for maintenance and troubleshooting.
Key Features of the Bobcat MT 55
The Bobcat MT 55 is a mini track loader designed to provide a high level of productivity in tight spaces. Below are some of the key features that set it apart from other small loaders:

1. Compact Design: The MT 55’s small size allows it to maneuver through narrow spaces and tight areas, making it ideal for jobs in residential yards, construction sites, and even inside buildings.
   
2. Hydrostatic Drive System: The hydrostatic drive system offers smooth control and better precision, which is essential when working on delicate tasks or in confined spaces.
   
3. Lift Capacity: With a rated operating capacity of approximately 550-700 pounds, depending on the model and attachments, the MT 55 is capable of lifting various materials, from dirt to construction debris.
   
4. Low Ground Pressure: The mini track loader's design allows for low ground pressure, making it useful in sensitive terrains, such as lawns or garden beds, where traditional wheeled loaders might cause damage.
   
5. Variety of Attachments: Like other Bobcat equipment, the MT 55 can be fitted with a wide range of attachments, including augers, snow blades, and pallet forks, making it highly adaptable to different tasks.
   
6. Ease of Transport: The compact size of the MT 55 also makes it easy to transport between job sites, with its lightweight build allowing it to be towed on a flatbed or in the back of a truck.
   

Common Issues with the Bobcat MT 55
While the Bobcat MT 55 is designed for durability and versatility, like all machinery, it can face operational problems. Here are some of the most common issues that users report, along with their potential causes and solutions:
1. Engine and Hydraulic System Failures
The engine or hydraulic systems can sometimes fail to function properly, resulting in reduced performance, stalling, or a complete failure to start. This can be caused by several factors:

• Fuel System Problems: Blocked fuel filters or fuel lines can lead to poor engine performance. In some cases, bad fuel or air in the system may cause the engine to run erratically.
  
• Hydraulic Fluid Contamination: Contaminants such as dirt or water can compromise the hydraulic system, causing jerky movements or total hydraulic failure.
  

Solution: To avoid engine and hydraulic problems, it's crucial to regularly check and change the fuel filters. Also, ensure that the hydraulic fluid is clean and topped up, and the fuel system is free from contamination.
2. Overheating and Cooling Issues
The MT 55 can sometimes overheat, especially during long hours of operation or when working in high temperatures. An overheated engine can cause a significant reduction in performance, leading to costly downtime.
Causes:

• Clogged air filters
  
• Low coolant levels
  
• Faulty cooling system components
  

Solution: Regularly clean or replace air filters, check coolant levels, and inspect the radiator for blockages. Periodically flush the cooling system to ensure the proper flow of coolant.
3. Track and Undercarriage Issues
The track and undercarriage components on the MT 55 are subject to significant wear and tear due to constant movement and stress. Some issues that can arise in the undercarriage include:

• Track Tension Problems: Tracks that are either too tight or too loose can lead to uneven wear or damage to the undercarriage components.
  
• Track Wear and Tear: Constant use can cause the tracks to wear down, reducing their lifespan and overall performance.
  

Solution: Regularly inspect track tension and adjust as needed according to the manufacturer’s specifications. Additionally, regularly check for signs of wear on the tracks and replace them when necessary.
4. Electrical Problems
Like many modern machines, the Bobcat MT 55 relies on an electrical system for operation. Electrical issues such as battery drain, faulty connections, or malfunctioning sensors can cause the machine to fail to start or operate erratically.
Solution: Regularly check the battery voltage and clean the terminals to prevent corrosion. Ensure all electrical connections are tight and free from dirt and moisture. If there is a persistent electrical problem, it may require diagnostic equipment to identify the root cause.
5. Lift Arm and Bucket Functionality Issues
The lift arms and bucket are essential for the loader's ability to perform its tasks. Malfunctions in these components may occur due to hydraulic issues, damaged lift cylinders, or faulty control valves.
Solution: Regularly inspect the lift arms and bucket for any signs of wear or damage. Check the hydraulic system for leaks and ensure all valves are functioning properly. If any components are damaged, repair or replace them immediately.
Maintenance Tips for the Bobcat MT 55
Proper maintenance is essential to keeping the Bobcat MT 55 running smoothly and avoiding costly repairs. Here are some key maintenance tips:
1. Regular Oil and Filter Changes
Changing the engine oil and filters regularly is one of the most critical maintenance tasks. Dirty oil can cause excessive wear on engine components and reduce performance.
Recommendation: Follow the manufacturer’s recommended intervals for oil changes, typically every 250-500 hours of operation, depending on usage.
2. Clean and Inspect Air Filters
A clean air filter ensures that the engine is receiving the proper airflow, preventing overheating and boosting fuel efficiency. Clogged air filters can lead to engine performance issues, especially in dusty or dirty environments.
Recommendation: Inspect the air filters every 100 hours of operation and clean or replace them as needed.
3. Check Hydraulic Fluid Levels
Hydraulic fluid is crucial to the proper functioning of the loader’s hydraulics. Low or dirty hydraulic fluid can cause performance issues and lead to expensive repairs.
Recommendation: Regularly check the hydraulic fluid levels and top up with the appropriate fluid. Change the hydraulic fluid every 1,000 hours or as advised by the manufacturer.
4. Inspect Tracks and Undercarriage
As the tracks are subject to constant wear, it’s important to keep an eye on their condition. Properly tensioned tracks will help prevent undue stress on the undercarriage and extend its lifespan.
Recommendation: Check track tension every 50-100 hours of operation and inspect for wear and tear. Replace the tracks as needed to maintain optimal performance.
5. Battery Maintenance
Maintaining the battery and electrical connections is critical to the loader’s operation. Clean battery terminals to avoid corrosion and ensure strong electrical performance.
Recommendation: Inspect the battery and cables every 100 hours of operation, and clean or replace components as necessary.
Conclusion
The Bobcat MT 55 is a powerful and compact mini track loader that can handle a variety of tasks in tight spaces. While the machine is known for its reliability, regular maintenance and timely troubleshooting are essential to ensure its continued performance. By addressing common issues such as engine and hydraulic problems, overheating, and undercarriage wear, operators can extend the life of their equipment and reduce costly downtime. Always follow the manufacturer’s recommended maintenance schedule and address any issues promptly to keep your Bobcat MT 55 in optimal working condition.