Doosan Excavator Undercarriage Parts DX330 DX340 Front Idler Wheel for Sale

The Doosan DX330 DX340 idler is a heavy-duty undercarriage component designed to guide the track chain, maintain proper track tension, and improve the overall stability of the excavator. Manufactured from high-strength steel and processed through precision machining and advanced heat treatment, it offers excellent wear resistance and dependable performance in demanding construction and mining applications.

Material50Mn/40MnB
Surface HardnessHRC53-58,deepth: 8-12mm
ColorsBlack or yellow or customized
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW
Description

The Doosan DX330 DX340 front idler is positioned at the front of the track frame and works together with the track adjuster assembly to control track tension and maintain proper chain alignment. As a professional replacement idler for Doosan DX330 and DX340 excavators, this component is specifically designed for large machines operating under high loads and long working hours. Proper idler performance helps minimize track derailment, reduces vibration during travel, and contributes to longer service intervals for the entire undercarriage system.

Precision Manufacturing for Accurate Fitment

Large excavators frequently operate in challenging environments where the undercarriage is exposed to continuous impact, heavy loads, and abrasive materials. The DX330 DX340 idler is engineered to withstand these harsh conditions while maintaining structural stability and reliable performance.

Its robust wheel body and reinforced internal structure allow it to perform efficiently in applications such as:

  • Quarry and aggregate production
  • Mining support operations
  • Large-scale earthmoving
  • Dam and infrastructure construction
  • Road and bridge projects
  • Material handling operations
  • High-Strength Materials and Heat Treatment

The idler body is manufactured using carefully selected high-strength steel with excellent toughness and impact resistance. Critical contact surfaces undergo professional heat treatment to improve hardness and wear resistance while maintaining sufficient internal strength.

This combination of hardness and toughness enables the idler to resist cracking, deformation, and premature wear during prolonged operation in difficult ground conditions.

Precision Manufacturing

Each DX330 DX340 idler is produced through a controlled manufacturing process that includes raw material preparation, forming, CNC machining, heat treatment, assembly, and final inspection.

Dozer Front Idler Shaft
Idler Bearing Machining & Assembly

The center shaft, bushings, and bearing components are precision-machined and carefully assembled to ensure smooth idler rotation and stable load distribution. Accurate tolerances help reduce friction and premature wear, improving the service life of the entire undercarriage system.

Bulldozer Idler Surface Finishing
Idler Surface Heat Treatment Process

The idler wheel undergoes a controlled heat treatment process to increase surface hardness while maintaining core toughness. This treatment significantly improves resistance to abrasion, impact, and deformation, making the idler suitable for mining, quarry, and heavy earthmoving applications.

Bulldozer track idler wheel painting
Anti-Corrosion Coating & Painting

After final machining and inspection, each idler receives an anti-corrosion coating and protective paint finish. The coating helps prevent rust during storage, transportation, and operation in humid, muddy, or dusty environments, extending the product's service life.

bulldozer undercarriage parts Idler
Final Inspection & Warehouse Preparation

Every finished idler undergoes strict dimensional inspection, hardness verification, and appearance checks before entering the warehouse. Qualified products are properly packaged and prepared for shipment, ensuring that customers receive reliable and ready-to-install undercarriage components.

OEM Compatibility

This idler is suitable for:

  • Doosan DX330 Excavator
  • Doosan DX340 Excavator

OEM reference numbers, technical drawings, and dimensional specifications can be provided upon request to ensure accurate fitment and compatibility confirmation.

OEM Undercarriage Parts for Doosan Excavator

BRAND MACHINERY MODEL NUMBER
DOOSAN DH30 DH35 DH50 DH55 DH60 DH60-7 DH80 DH130
DH130-2 DH150LC-7 DH150W-7 DH170 DH180 DH200W DH210W-7 DH220LC
DH225LC DH220LC-7 DH225LC-7 DH280LC DH300-5 DH300-7 DH300LC-7 DH320
DH370LC-7 DH400LC-7 DH450 DX55 DX60 DX80 DX140LC DX160LC
DX200A DX225LC DX260LC DX300LCA DX340LC DX420LC DX500LC DX800LC

Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.

Conclusion

The Doosan DX330 DX340 idler is engineered to deliver reliable track guidance, stable tension control, and long-term durability for heavy excavator applications. Combining high-strength materials, advanced heat treatment, precision machining, and strict quality control, it provides a dependable replacement solution for contractors, mining operators, and equipment owners seeking high-quality Doosan undercarriage parts.

Shipping & Delivery

SHIPPING & DELIVERY

At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.

All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.

Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.

We offer flexible global shipping options, including:

  • International sea freight for cost-effective bulk transport
  • Air freight for urgent orders
  • Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments

Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.

Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.

excavator parts loading truck 4
excavator parts loading truck 2
excavator parts loading truck 1

FAQ

Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.

Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.

Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.

Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.

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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW