Excavator Undercarriage Parts DH220 Idler Wheel
The DH220 idler wheel is a key component in your excavator’s undercarriage. It guides and supports the track chain as it moves forward and backward, helping to maintain proper track tension and stability. Built from high-strength materials and manufactured with precision, this idler is designed to perform under heavy loading and tough conditions — whether you’re excavating clay-rich soil, gravel, sand, or hard clay formations.
| Material | 50Mn/40MnB |
|---|---|
| Surface Hardness | HRC53-58,deepth: 8-12mm |
| Colors | Black 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.
The DH220 idler wheel plays a key role in guiding and stabilizing the track as it moves, acting as a crucial component that supports proper track tension and alignment. Positioned at the front of the undercarriage, it not only helps keep the track running smoothly and accurately but also absorbs shock and vibrations from rough terrains. By reducing wear and preventing derailments, the idler wheel contributes to the excavator’s overall stability, allowing it to operate efficiently and safely — whether you’re excavating, loading, or maneuvering on challenging job sites.
Manufacturing Process — Craftsmanship That Ensures Quality
The DH220 idler wheel is manufactured through a rigorous process that guarantees its strength, precision, and durability under heavy-duty conditions.
- Firstly, we select high-grade alloy steel as raw material to provide a solid base for toughness and wear resistance.
- Then, the idler undergoes forging and rough machining to form its initial shape, followed by precision CNC finishing to achieve exact dimensions and proper surface smoothness.
- Once the dimensions are accurate, the idler is heat treated and quenched to enhance its hardiness and resistance to abrasion.
- After hardening, we perform fine grinding and polishing to reduce surface roughness and allow for smoother interaction with the track chain.
- Finally, a protective coating is applied to safeguard against corrosion and prolong service life, ensuring the idler performs optimally in all conditions.
Factory Photos
The following are some real photos of our factory, which reflect the strength and authenticity of our factory.
This photo shows the idler after it has been carefully polished. The smooth surface reduces resistance against the track and minimizes wear.
This photo displays the finished idler safely packaged and ready for delivery, ensuring it reaches you in perfect condition.
Compatible Models and Serial Numbers
Compatible Models
The DH220 idler is designed to match a range of Daewoo / Doosan excavator models that share a similar undercarriage structure. It is a perfect fit for:
- Daewoo / Doosan DH220, DH220-3, DH220-5, DH220-7
- Other variants in the DH220 Series with analogous undercarriage dimensions and components
This makes it a reliable, versatile option for a wide range of heavy-duty applications — whether you’re renovating, extending, or maintaining your undercarriage.
Reference Serial Numbers (For Your Consideration)
Here are a few common OEM reference numbers that match this idler. Please check these against your machine’s details to be sure you’re choosing the right component:
- 227-30-00031
- 227-30-00032
- 227-30-00033
These numbers may appear in your parts manual or service documents. If you’re unsure or can’t find a match, we’re here to help — simply provide us with your excavator’s model and serial number, and we’ll match you with exactly the right components.
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.
Application in Extreme Working Conditions
The DH220 idler performs exceptionally well under challenging conditions. Whether you’re excavating clay-rich soil, gravel, sand, or hard clay formations, it maintains proper track tension and stability. The hardening process and protective coating enable it to absorb shock and resist wear, reducing service intervals and extending the lifespan of your undercarriage components.
Why Choose Our DH220 Idler Wheel?
When you select our DH220 idler, you’re investing in a component made to last. Here’s what makes it a smart choice for your heavy equipment:
- Durable Material:
Made from high-strength alloy steel, this idler resists shock, bending, and heavy loading. - Hardening Process:
Induction hardening increases surface toughness and wear resistance, extending service life and reducing maintenance. - Precision Machining:
CNC processing guarantees dimensions within tight tolerances, delivering perfect track guidance and smooth movement. - Protective Coating:
A specialized protective coating further shields the idler from abrasion and corrosion, adding an additional layer of durability. - Lower Maintenance Costs:
Higher resistance to wear and shock means less frequent maintenance and lower total cost of ownership.
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.
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.
