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12.00-20 Tire and 8.50-20/1.7 Rim Wheel Assembly, suitable for underground mining and general operating conditions.

The Traction 8.50-20/1.7 rim is manufactured using high-quality, specialized rim steel, offering exceptional load-bearing capacity, impact resistance, and fatigue strength. It is effectively capable of withstanding the heavy loads and frequent impacts encountered during mining transport operations. When paired with 12.00-20 pneumatic tires, it delivers superior cushioning and shock absorption, traction, and vehicle handling stability, thereby significantly enhancing both equipment operational efficiency and workplace safety.

  • Rim size: 12.00-20 Tire and 8.50-20/1.7 Rim
  • Application: Mining
  • Application Model： Underground mining
  • Vehicle Brand: Universal
  • Product introduction The wheel assembly—comprising a 12.00-20 pneumatic tire paired with an 8.50-20/1.7 rim—is a standard wheel configuration commonly utilized on underground mining vehicles, mine service trucks, underground transport vehicles, and auxiliary operational equipment.
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 Product Description

Description 

The 12.00-20 pneumatic tire paired with the 8.50-20/1.7 rim wheel assembly constitutes a highly reliable mobility solution specifically designed for underground mining and subterranean engineering vehicles. Widely utilized in underground mining haul trucks, service vehicles, and auxiliary operational equipment, this assembly is engineered to meet the demands of continuous operation under conditions involving heavy loads, severe impacts, complex terrain, and harsh environments.
This wheel assembly consists of a 12.00-20 industrial pneumatic tire and an 8.50-20/1.7 steel rim; through a meticulously engineered design match, the two components achieve an optimal balance between load-bearing capacity and operational stability.
The 12.00-20 pneumatic tire delivers exceptional cushioning and shock-absorption capabilities, effectively absorbing impact loads from the mine roadway floor to enhance vehicle ride smoothness. Conversely, the 8.50-20/1.7 rim is manufactured from high-strength steel, featuring a structural design that reinforces load-bearing zones and critical stress points, thereby ensuring stable and reliable performance even under heavy-load conditions.
Suitable for heavy-duty transport operations in underground mines, it is capable of withstanding the sustained pressures associated with frequent loading cycles and high-intensity operations.
Specifically designed to navigate the challenging environments of mine roadways—characterized by loose rock, potholes, and obstacles—it effectively mitigates the risk of rim deformation and structural damage.
The precise matching of the tire and rim enhances overall operational stability, minimizing abnormal vibrations and uneven tire wear.
In high-risk underground operational settings, it significantly improves vehicle driving safety and ensures the stable, reliable operation of both personnel and equipment.
Leveraging Traction’s comprehensive rim manufacturing supply chain capabilities—spanning the entire process from rim profile steel R&D and forming to welding and final assembly—the production process is under complete in-house control. A rigorous quality inspection system ensures that every wheel assembly meets the exacting requirements of mining applications regarding dimensional precision, structural integrity, and fatigue life.
With its combination of high reliability, superior safety, and exceptional durability, the 12.00-20 pneumatic tire + 8.50-20/1.7 rim wheel assembly provides a robust mobility foundation for underground mining vehicles, standing as a critical component choice for enhancing mining transport efficiency and overall equipment performance.


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Manufacturing process 

    • 1、billetokh
      1. Billet
    • 2、hot rolling1qs
      2. Hot rolling
    • 3、Accessories production
      5.Accessories Production
    • 4、Finished product assembly0tq
      4. Finished Product Assembly
    • 5、painting849
      5. Painting
    • 6、Finished Product
      6. Finished Product

    Product inspection

      • Dial indicator to detect product runout1n2
        Dial indicator to detect product runout
      • Colorimeter to detect paint color differencej9y
        Colorimeter to detect paint color difference
      • Paint film thickness meter to detect paint thickness5zs
        Paint film thickness meter to detect paint thickness
      • External micrometer to detect internal micrometer to detect the inner diameter of the center holepsu
        External micrometer to detect internal micrometer to detect the inner diameter of the center hole
      • Outside diametermicromete to detect positiont90
        Outside diametermicromete to detect position
      • Non-destructive testing of product weld qualityquk
        Non-destructive testing of product weld quality

      The strength of the company

        Since 2021, TRACTION has started to supply global OEMs. TRACTION's rims have undergone rigorous verification by OEM customers. Today, in the global market, TRACTION's rims have covered industries, agriculture, mining, construction equipment and other fields. TRACTION has extensive and loyal partners in the global market. At the same time, we also supply OTR solid tires for the global market. In 2023, TRACTION developed its own brand of solid tires. Our company is one of the few companies that produces both wheels and solid tires, and can provide tire + wheel assembly.

        The quality of all our products has been recognized by world equipment manufacturers such as Caterpillar, Volvo, Liebherr, Doosan, John Deere, Linde, BYD, etc.

        When you get to know TRACTION brand discs, you encounter quality, completeness and reliability.

        Why choose us

            • Product

            Our products include wheels for all types of off-road vehicles and their accessories, covering many fields such as mining, construction machinery, agriculture, industrial vehicles, forklifts, etc.

            • Technologies

            We have a R&D team composed of senior engineers and technical experts, focusing on the research and application of innovative technologies and maintaining a leading position in the industry.

            • Quality

            The quality of all products has been recognized by Caterpillar, Volvo, Liebherr, Doosan, John Deere, Linde, BYD and other global manufacturers.

            • Service

            We have established a perfect after-sales service system to provide timely and effective technical support and after-sales service to ensure customers have a smooth experience during use.

          Certificates

            • Volvo Certificates2b8
              Volvo Certificate
            • John Deere Supplier Certificates
              John Deere Supplier Certificate
            • CAT 6-Sigma Certificationswr3
              CAT 6 Certificate - Sigma

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