PC300 Guard Plate 207-30-51191

Compatible with Komatsu PC300 excavator idler wheel guard plate

Drawing on decades of expertise in construction machinery parts manufacturing, Shandong Xiaowang Engineering Machinery has developed and produced this specialized idler wheel guard plate – Komatsu PC300 Guard plate 207-30-51191 – for the Komatsu PC300 excavator: a "workhorse for medium-to-large projects that doesn't compromise on flexibility." This precision-engineered component seamlessly aligns with the operational demands of Komatsu PC300 excavators across small-to-medium construction sites, road construction, and water conservancy projects. As a trusted specialist in Komatsu aftermarket parts, we maintain end-to-end quality control – from raw material sourcing to finished product inspection – ensuring every unit meets the high-intensity performance standards of Komatsu equipment.

 

Products in processing

Laser cutting

Blanking and forming workshop

At the core of Komatsu PC300 Guard plate 207-30-51191 is Q345B manganese steel, formulated through a "low-carbon + manganese + microalloy" system that strikes an optimal balance between high strength and superior weldability. With a carbon equivalent of ≤0.44%, this material minimizes post-welding cracking risks, guaranteeing robust integration between the guard plate and the excavator chassis. Complementing this premium material is a tailored 18-20mm thickness – a key design feature of Komatsu PC300 Guard plate 207-30-51191 – that enhances impact resistance for harsh job site conditions. When the PC300 navigates narrow work areas with frequent movement, its idler wheels are vulnerable to damage from protruding ground debris; however, the Q345B manganese steel's excellent 180° cold-bending resistance and wear durability effectively extends the guard plate's service life while reducing equipment maintenance costs.

Following the original factory's reinforcing rib structure design, Komatsu PC300 Guard plate 207-30-51191 leverages the inherent deformation resistance of Q345B manganese steel to prevent sand, mud, and debris from infiltrating the idler wheel bearings during operation – a critical safeguard against travel mechanism failures. Every unit undergoes dual water pressure testing and eddy current flaw detection, with authoritative quality reports available upon request. We also offer fast replacement options to ensure uninterrupted, stable operation of your Komatsu PC300 – even in projects where efficiency and cost-effectiveness are paramount.

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