25.00-29/3.5 rim for Mining rim Underground Mining Universal
Underground Mining:
The selection of 25.00-29 / 3.5 large rims for underground mining vehicles is primarily driven by core requirements such as extreme working conditions, extremely high load capacity, durability, safety, and overall operating costs.
Underground mining vehicles operate in extremely harsh environments: high-load operation (rock, ore, blasted blocks, etc.), frequent round trips, continuous work cycles, and extreme impact loads and vibrations.
Therefore, large-diameter rims like 25.00-29 are needed to accommodate wider, larger cross-section tires; the larger tire volume disperses the load, increasing load-bearing capacity; and the larger diameter improves vehicle passability and stability, reducing premature tire damage.
3.5 indicates the rim width (significantly wider than that of conventional construction machinery), which provides: a wider tire carcass, a larger contact area, increased grip, improved lateral stability, and greater stability in conditions such as mud, gravel, and slopes, reducing slippage and mud ejection from the tires. These advantages are particularly important in underground mining environments involving gravel, falling rocks, and sloping terrain.
In underground mining environments, tires are prone to impacts with rock edges, frequent sidewall compression, and constant friction with the ground. Choosing 25.00-29/3.5 rims provides stronger structural support, reduces tire sidewall deformation, and improves overall wheel set durability.
HYWG, with over 30 years of manufacturing experience and a "one-stop" production model, independently produces the steel profiles for its rims. In the OTR rim field, its advantage goes beyond simply "making its own materials"; it determines the rim's safety limits, consistency, and long-term reliability from the source.
This results in products that are superior to standard rims in terms of concentricity, fatigue resistance, weld strength, and service life. High-strength, high-quality steel ensures excellent fatigue and impact resistance, crucial for underground mining vehicles.
A comprehensive after-sales service system provides timely and efficient technical support and maintenance. Every step of the rim manufacturing process strictly adheres to high-standard quality inspection procedures, ensuring that every rim meets international quality standards and customer requirements.
HYWG is the preferred supplier of mining vehicles for many countries worldwide.
More Choices
Production Process
1. Billet
4. Finished Product Assembly
2. Hot Rolling
5. Painting
3. Accessories Production
6. Finished Product
Product Inspection
Dial indicator to detect product runout
External micrometer to detect internal micrometer to detect the inner diameter of the center hole
Colorimeter to detect paint color difference
Outside diametermicromete to detect position
Paint film thickness meter to detect paint thickness
Non-destructive testing of product weld quality
Company Strength
Hongyuan Wheel Group(HYWG) was founded in 1996,it is professional manufacturer of rim for all kinds of off-the-road machinery and rim components,such as construction equipment, mining machinery, forklifts,industrial vehicles,agricultural machinery.
HYWG has advanced welding production technology for construction machinery wheels at home and abroad, an engineering wheel coating production line with the international advanced level, and an annual design and production capacity of 300,000 sets,and has a provincial-level wheel experiment center, equipped with various inspection and testing instruments and equipment, which provides a reliable guarantee for ensuring product quality.
Today it has more than 100 milion USD assets,1100 employees,4 manufacturing centers.Our business covers more than 20 countries and regions around the world, and the quality of all products has been recognized by Caterpillar, Volvo, Liebherr, Doosan, John Deere, Linde, BYD and other global oems.
HYWG will continue to develop and innovate, and continue to serve the customers wholeheartedly to create a brilliant future.
Why Choose Us
Our products include the wheels of all off-road vehicles and their upstream accessories, covering many fields, such as mining, construction machinery, agriculture industrial vehicles, forklifts, etc.
The quality of all products has been recognized by Caterpillar, Volvo, Liebherr, Doosan, John Deere, Linde, BYD and other global oems.
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.
We have established a perfect after-sales service system to provide timely and efficient technical support and after-sales maintenance to ensure a smooth experience for customers during use.
Certificates
Volvo Certificates
John Deere Supplier Certificates
CAT 6-Sigma Certificates















