DH420 Front Idler Track Idler Darwoo Excavator

As the core component of the Daewoo excavator chassis system, the DH420 Front Idler is designed for high-intensity operations to ensure smooth operation of the track and extend the service life of the equipment. Whether it is a rugged construction site, mining or urban operation, it can easily cope with it.

Forged with high-carbon alloy steel, combined with deep QPQ nitriding surface treatment, the hardness can be increased to HRC 58, and the wear resistance is 3 times higher than that of ordinary processes, which can easily resist the wear of harsh environments such as sand, gravel, and mud.

High-end machine tools can control the tolerance within ±0.02mm, perfectly adapting to Daewoo DH420 series models, preventing abnormal wear caused by track deviation or equipment non-compliance, and ensuring stability and accuracy.

• Multi-layer electroplated zinc-nickel alloy coating can effectively reduce the impact of moisture, acid rain and chemical corrosion, and extend the service life of the equipment.
• The precision forging composite process is combined with high-frequency quenching technology to ensure that the internal grain structure is dense and the impact resistance is increased by 30%.
• Sandblasting rust removal → electrochemical plating → closed anti-rust oil impregnation, fully blocking oxidation and wear, adapting to the temperature difference environment of -30℃ to 120℃.

DH420 Front Idler is specially designed for large excavators such as Daewoo DH420 and DH500. It is suitable for high-load and high-debris working conditions such as mining, earthwork, and river dredging, significantly reducing the frequency of downtime maintenance.

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