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What to Look for When Purchasing a Used Champion 740A Grader
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The Champion 740A grader, a product of Champion Road Machinery (now part of Volvo Construction Equipment), is known for its reliability, strong performance, and versatility in road construction and maintenance. If you're considering purchasing a used Champion 740A grader, it’s essential to thoroughly inspect the machine to ensure you're getting a good deal. Whether you're a contractor looking to expand your fleet or a small operator seeking a cost-effective solution, a well-maintained used grader can offer excellent value.
In this article, we’ll outline key areas to focus on when purchasing a used Champion 740A grader, providing practical tips and considerations to ensure a wise investment.
Understanding the Champion 740A Grader
The Champion 740A grader is designed for heavy-duty work in construction and road maintenance. It features a powerful engine, a durable frame, and a flexible blade system for grading, leveling, and clearing roads. Champion’s graders are known for their stability, ease of operation, and ability to handle various soil types and materials. The 740A, in particular, is well-suited for both urban and rural road work due to its robust design and versatile functionalities.
What to Inspect on a Used Champion 740A Grader
1. Engine and Transmission
The engine and transmission are the heart of any grader. When purchasing a used 740A grader, a thorough inspection of the engine’s condition and the transmission’s performance is critical. The engine should run smoothly without any abnormal noises, excessive smoke, or irregularities in power delivery.
  • Example: A potential buyer of a used Champion 740A reported that the engine was not starting consistently. After inspection, it was discovered that the fuel injection system needed to be serviced. This kind of issue can be costly if not addressed during the purchase process.
What to check:
  • Inspect the oil levels and color—dark, thick oil might indicate neglect or wear.
  • Check for oil leaks around the engine and transmission, which could signal worn seals or gaskets.
  • Verify that the engine starts easily and runs smoothly at idle and under load.
  • Inspect the transmission for smooth shifting. Hesitation or slipping can indicate internal damage.
2. Hydraulic System
Hydraulic systems are crucial for operating the blade, lifting arms, and other key components on the 740A grader. A faulty hydraulic system can lead to costly repairs and downtime, making it essential to inspect all hydraulic components before purchasing.
  • Story: A contractor shared how they purchased a used Champion 740A only to discover after the sale that the hydraulic pump was near the end of its life. This issue caused inconsistent blade movement, and replacing the pump was expensive.
What to check:
  • Inspect the hydraulic hoses for cracks, leaks, or wear.
  • Test the functionality of the blade and lifting arms by operating them through their full range of motion.
  • Check the hydraulic fluid for contamination (milky or murky fluid can indicate water intrusion).
  • Listen for strange noises when operating the hydraulics, as these can indicate worn pumps or valves.
3. Frame and Chassis Condition
The frame and chassis of the 740A grader are designed to withstand substantial stress, but over time, cracks or other forms of damage can develop, especially if the grader has been used in heavy-duty applications. Ensure that the frame is free from serious cracks or signs of damage that could compromise the grader’s stability.
  • Example: One buyer learned the hard way that their used Champion 740A had frame damage due to previous misuse in harsh conditions. The stress fractures worsened over time, ultimately costing them more to repair than anticipated.
What to check:
  • Look for visible cracks, dents, or signs of welding in the frame.
  • Examine the undercarriage for damage to the axles, suspension, and wheel bearings.
  • Check the frame alignment to ensure it hasn’t been bent or stressed out of shape.
4. Blade and Moldboard
The blade and moldboard system are essential to the grader’s performance. They should be inspected for wear and tear, and the cutting edge should be checked for damage or excessive wear, as this can affect grading accuracy and efficiency.
  • Story: A buyer once purchased a Champion 740A without checking the blade closely. After a few weeks of use, they realized that the blade had severe wear on one side, leading to uneven grading. Replacing or reworking the blade is an expensive process.
What to check:
  • Inspect the blade for cracks, bent edges, or excessive wear.
  • Ensure that the blade can be adjusted and locked into different positions without issues.
  • Look for wear or damage to the moldboard, as this can reduce grading precision.
  • Check the hydraulic lift and tilt functions of the blade for smooth operation.
5. Tires and Undercarriage
The condition of the tires and undercarriage plays a significant role in the overall performance and stability of the grader. Worn-out tires can negatively affect traction and handling, while the undercarriage components contribute to the machine’s overall lifespan.
  • Example: An operator shared their frustration with purchasing a used grader that had nearly bald tires, leading to constant slipping and uneven grading in certain soil conditions. The tires had to be replaced soon after purchase.
What to check:
  • Examine the tires for uneven wear, cracks, or low tread depth.
  • Inspect the undercarriage for damage to the axles, wheel bearings, and suspension.
  • Check for excessive play or loose fittings in the wheel assembly, which can lead to instability.
6. Electrical System
The electrical system of the grader powers essential features like lights, gauges, and the ignition system. A faulty electrical system can be a major headache, and diagnosing electrical problems can often be tricky and time-consuming.
  • Story: A buyer of a used 740A grader mentioned that after the sale, they faced repeated electrical issues that required multiple visits from an electrician. These problems were costly to fix and reduced productivity.
What to check:
  • Check the condition of the wiring for signs of wear, fraying, or corrosion.
  • Test the lights, horn, and gauges to ensure they’re working properly.
  • Inspect the battery and charging system, ensuring that the battery is in good condition and holds a charge.
Additional Tips for Purchasing a Used Champion 740A Grader
  • Review Maintenance History: Always ask for the maintenance records. A well-maintained machine is less likely to have serious issues than one that has been neglected.
  • Request a Test Run: If possible, take the grader for a test run on an actual job site. This will help you assess its performance and identify any potential issues.
  • Get a Pre-Purchase Inspection: If you’re unsure about the condition of the machine, consider hiring a professional mechanic or technician to conduct a pre-purchase inspection. This can help uncover hidden problems that you might not notice on a visual inspection alone.
Conclusion
Buying a used Champion 740A grader can be a great investment, especially if you need a reliable machine for grading and road maintenance. However, it’s crucial to be diligent during the inspection process. By focusing on key areas such as the engine, hydraulic system, frame, blade, undercarriage, and electrical system, you can avoid costly mistakes and ensure that you purchase a machine that will serve you well for years to come.
With proper care and attention to maintenance, a well-maintained used Champion 740A can continue to perform at a high level, providing valuable service on your projects.
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