Komatsu Guard Plate 20Y-30-31160

Designed specifically for Komatsu PC200 excavators, the Komatsu PC200 Guard plate 20Y-30-31160 is a direct fit for the machine's support wheel assembly-engineered to deliver reliable protection in the harshest working conditions.

Manufactured by Shandong Xiaowanggong Machinery, a veteran manufacturer with years of expertise in Komatsu excavator parts, this guard plate anchors our production to Komatsu's original factory technical standards. We've tailored an exclusive protection solution for the PC200-an industry benchmark in the medium-sized excavator segment-ensuring it aligns perfectly with the machine's chassis design. More than just a replacement part, the Komatsu PC200 Guard plate 20Y-30-31160 is engineered specifically for the PC200's idler wheel system, forming a robust barrier against debris, impacts, and wear during earthmoving, municipal landscaping, farmland water conservancy, and other high-intensity operations.

 

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In material selection, we've opted for Q345B low-alloy high-strength manganese steel-still the industry-preferred designation in construction machinery, even though the official standard has since renamed this grade to Q355B. Boasting a minimum yield strength of 345MPa and a tensile strength range of 470-630MPa (over 40% higher than ordinary carbon steel), this material easily withstands stone impacts, silt compression, and other operational stresses. Infused with manganese and vanadium alloying elements, the steel offers superior plasticity and room-temperature impact toughness (impact energy ≥34J at 20℃), resisting cracking even in frigid northern climates. Complemented by our specialized welding process, the guard plate gains enhanced structural rigidity to prevent deformation and premature failure.

Adhering strictly to Komatsu's original assembly specifications, the Komatsu PC200 Guard plate 20Y-30-31160 features precision-drilled positioning holes that match the PC200's mounting brackets exactly-enabling quick, hassle-free installation without modifications. Its surface is treated with corrosion-resistant powder coating, capable of withstanding extreme temperatures from -40℃ to 85℃. Whether deployed in urban construction or outdoor engineering projects, this guard plate meets the PC200's multi-environment operational requirements, delivering long-lasting durability and performance.

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