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Allis-Chalmers 710 Loader Backhoe
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The Allis-Chalmers 710 loader backhoe is one of the standout models from Allis-Chalmers, a company known for producing durable and reliable heavy machinery. This piece of equipment, which combines the capabilities of both a loader and a backhoe, was designed to meet the demands of various construction, agricultural, and industrial tasks. While the Allis-Chalmers 710 may no longer be in production, its legacy continues to impact the construction industry, and its machines are still valued by those who own and operate them.
Background of Allis-Chalmers and the 710 Loader Backhoe
Allis-Chalmers was a prominent American manufacturer of industrial and agricultural equipment, founded in the early 1900s. The company earned a reputation for producing high-quality machines, and their construction and farm machinery lines were widely respected. During the 1960s and 1970s, Allis-Chalmers made significant strides in the loader backhoe market with the introduction of the 710 model, which was widely recognized for its power, versatility, and robustness.
The Allis-Chalmers 710 loader backhoe was built to be a workhorse, combining the functionality of both a backhoe and a front-end loader in one compact machine. This versatility allowed the machine to excel in a variety of jobs, from digging trenches to moving large amounts of dirt or debris.
Key Features and Specifications
The Allis-Chalmers 710 loader backhoe was equipped with features that were ahead of its time, making it a reliable tool for construction and agriculture alike. Here are some of the important specifications and features of this machine:
  1. Engine Power:
    • The 710 loader backhoe was powered by a robust engine, typically a 4-cylinder diesel engine capable of delivering around 60 horsepower. This engine provided the power needed to drive the hydraulic systems and the mechanical components of the backhoe, ensuring that it could handle tough digging and lifting tasks.
  2. Hydraulic System:
    • One of the standout features of the Allis-Chalmers 710 was its powerful hydraulic system. The hydraulic arms were designed to provide exceptional lifting and digging capabilities. The hydraulics were used to operate both the loader and backhoe, allowing for efficient movement and operation of the machine.
  3. Loader and Backhoe Attachments:
    • The 710 featured a front loader capable of lifting and carrying heavy materials, as well as a backhoe with a digging depth of up to 14 feet. This made the machine perfect for tasks such as trenching, landscaping, and material handling.
    • The backhoe was equipped with a powerful digging bucket, and it could rotate up to 180 degrees, allowing for easy access to tight spaces or awkward angles.
  4. Transmission:
    • The Allis-Chalmers 710 loader backhoe came with a manual transmission, which was common for machines of its era. This transmission provided operators with more control over the machine’s speed and performance, especially in tough conditions.
  5. Operator Comfort:
    • Despite being a robust and rugged machine, the 710 loader backhoe featured a relatively comfortable operator's station. The operator's seat was designed to minimize fatigue during long hours of operation. While it was not as advanced as modern machines, the cabin provided a practical layout for controls, allowing the operator to manage both loader and backhoe functions efficiently.
  6. Weight and Dimensions:
    • The 710 had an operating weight of approximately 11,000 pounds, making it a relatively compact machine for its power. The dimensions were balanced for maneuverability, which allowed it to work efficiently in both confined spaces and more open areas.
Common Issues with the Allis-Chalmers 710 Loader Backhoe
As with any older piece of machinery, the Allis-Chalmers 710 has its share of common issues. These problems typically arise from wear and tear or poor maintenance over the years. Some of the more frequently reported issues with the 710 loader backhoe include:
  1. Hydraulic Leaks:
    • Over time, the hydraulic system may develop leaks, especially in the hoses or cylinders. Since the 710 relies heavily on hydraulics for both the loader and backhoe functions, any leakage can lead to a drop in performance.
  2. Engine Performance Issues:
    • The 710’s engine, while powerful, can experience fuel injection problems, especially if it has not been properly maintained. Common issues include clogged fuel filters or problems with the fuel pump, which can result in poor starting or power loss.
  3. Transmission Problems:
    • Some operators have reported issues with the manual transmission, particularly when shifting between gears. This can be due to worn-out clutch plates, linkage issues, or low transmission fluid.
  4. Tire Wear:
    • Given the demanding work that loader backhoes are subjected to, tire wear is another common issue. The 710's tires can wear out more quickly if the machine is used in rough terrain or for heavy lifting.
  5. Electrical Failures:
    • Electrical issues, particularly with the battery or wiring, are common in older machines like the Allis-Chalmers 710. Corrosion or poor connections can cause the electrical system to malfunction, affecting starting and other essential functions.
Maintenance Tips for the Allis-Chalmers 710
Proper maintenance is crucial to ensuring the longevity and reliability of the Allis-Chalmers 710 loader backhoe. Here are a few tips to keep your machine running smoothly:
  1. Regular Hydraulic Checks:
    • Always inspect the hydraulic system for leaks, particularly in hoses and fittings. Regularly check hydraulic fluid levels and replace the fluid according to the manufacturer's schedule.
  2. Engine Care:
    • Keep the engine well-maintained by regularly changing the oil and air filters. It's also important to keep the fuel system clean, as debris and contaminants can cause performance issues.
  3. Transmission Maintenance:
    • Check the transmission fluid levels and make sure the clutch is functioning properly. Regularly lubricate the transmission components to prevent excessive wear.
  4. Tire Maintenance:
    • Keep an eye on the tire pressure and look for signs of uneven wear. Rotate the tires if necessary to ensure even wear and extend their life.
  5. Electrical System Checks:
    • Regularly inspect the battery and wiring for corrosion or loose connections. Clean terminals and replace any worn-out components.
Why the Allis-Chalmers 710 Still Holds Value
Although the Allis-Chalmers 710 loader backhoe is no longer in production, it still holds value in the used equipment market. Its durability, simplicity, and versatility make it an attractive option for those who are looking for a reliable and cost-effective machine for digging, loading, and lifting.
Many owners still swear by the Allis-Chalmers 710 for its strong performance in various applications. Additionally, its compact size and powerful engine make it a great option for small to medium-sized construction and agricultural operations.
Conclusion
The Allis-Chalmers 710 loader backhoe remains an iconic piece of machinery in the history of construction and agricultural equipment. Its reliability, ease of use, and solid performance have ensured its continued relevance in the used equipment market. Although newer models may offer more advanced features, the 710 remains a testament to Allis-Chalmers’ engineering legacy and continues to serve those who appreciate its ruggedness and versatility.
For anyone looking to operate a loader backhoe that is built to last, the Allis-Chalmers 710 remains a fantastic option that can be maintained and serviced to perform for years to come. Whether you're a collector, a contractor, or a farmer, this piece of machinery is a valuable tool that will continue to work hard and get the job done.
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Allis-Chalmers 710 Loader Backhoe - by MikePhua - 3 hours ago

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