Idler for Komatsu D155A 175-30-00450

When your Komatsu D155A bulldozer works in harsh scenarios like rocky mining sites, hard soil excavation and large-scale land clearing, the front idler always bears most of the frontal impact load. It is the core key part to protect and guide the whole undercarriage system.

As a professional undercarriage parts manufacturer with more than 20 years of production experience, we Quanzhou Qiansheng Heavy Industry independently develop and produce the Idler for Komatsu D155A 175-30-00450. This 175-30-00450 idler assembly is precisely engineered to stably control track tension and smoothly guide the track chain operation. It can keep the track links always in accurate alignment, effectively avoid track derailment failure, reduce equipment vibration, and adapt to long-time continuous operation in mining and heavy earthmoving projects.

Technical Specifications

· OEM Part Number: 175-30-00450

· Compatible Equipment: Komatsu D155A Bulldozer

· Wheel Material: High-Strength 35MnB / 50Mn Alloy Steel

· Structural Design: Reinforced Box-Section Casting

· Tread Surface Hardness: HRC 52-58 (Quenching Depth: 5-8 mm)

· Lubrication System: Lifetime sealed with heavy-duty floating oil seals & bimetal bushings

· Service Life Guarantee: 2000+ Working Hours

Our Factory Manufacturing Strength

We know many ordinary aftermarket idlers are easy to damage in heavy bulldozer working conditions. Most of them adopt thin recycled steel casting, with shallow surface hardening process, which is easy to crack and deform under strong extrusion and impact force.

As a certified factory following ISO 9001 quality management system and CE standard, we completely avoid these quality defects for D155A Idler. We adopt heavy-duty box-section integral casting design to enhance the overall structural toughness and compression resistance. Meanwhile, we use professional intermediate frequency induction quenching technology only for the rolling surface of 175-30-00450 idler.

The process forms a thick and wear-resistant surface layer, which can resist the abrasion of silica sand and broken stone all year round. The inner part maintains good toughness and ductility, and can buffer strong frontal impact generated in bulldozer operation. All products are inspected layer by layer from forging, machining to heat treatment, and only qualified parts can be delivered from the factory.

Factory Direct Supply & Custom Service

We are the direct factory supplier of D155A Idler , you can buy directly from us without middlemen markup, enjoying real B2B factory wholesale price.

We also support full OEM and ODM customized services. Whether you need to customize Komatsu standard yellow paint color, or cast customer brand logo on the idler surface, our professional technical and production team can complete it according to your drawing and requirements. We have long-term supporting customized production for many international construction machinery brands and distributors.

Logistics, Sample & After-sales Warranty

We deeply know equipment downtime will directly affect your project profit progress. Therefore, we keep sufficient inventory of D155A Idler all year round. Conventional orders can be arranged within 7-15 days, supporting global door-to-door logistics distribution.

We welcome customers to apply for sample testing first. You can let your on-site maintenance personnel check the casting density, shaft machining precision and sealing performance of our 175-30-00450 idler in person, then decide bulk cooperation.

Each of our idler is pre-filled with high-quality lubricating oil in the factory, with permanent sealing treatment, plug and play without secondary maintenance. Before shipment, all parts are coated with industrial anti-rust oil, fixed on fumigation-free wooden pallets to ensure safe sea transportation. We provide 1-year or 2000 working hours official warranty, once confirmed manufacturing quality problem, we support free one-to-one replacement without complicated procedures.

FAQ

Q: Is the 175-30-00450 idler ready to install out of the box?

A: Yes. The D155A Idler is fully assembled with matched center shaft, bimetallic bushings and floating oil seals. It is pre-filled with high-grade lubricant and hermetically sealed in our factory, no need any extra maintenance before installation.

Q: Can this idler handle submerged or muddy mining conditions?

A: Absolutely. Our 175-30-00450 idler adopts OEM grade heavy-duty floating oil seals, and all products pass 100% underwater pressure test before delivery. The sealing structure can lock internal lubricating oil tightly, and isolate external mud, rainwater and frozen moisture, perfectly adapting to muddy and submerged working environments.

Cooperate With Us Now

Cut your later maintenance cost and choose our reliable factory supply for Komatsu bulldozer undercarriage parts.Contact our Export Specialist, Eleven (Manager Tong):WhatsApp: +8613799896866

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