Undercarriage Parts Idler Wheel for Doosan Excavator DH55
The DH55 idler wheel is a key undercarriage component designed to guide the track smoothly and maintain proper tension. Built from high-strength materials and manufactured to exact dimensions, this idler guarantees reliable service and reduced maintenance for your Doosan DH55 excavator — allowing you to maximize productivity and minimize downtime.
| 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 DH55 idler wheel is a key component that plays a crucial role in the smooth and efficient movement of your excavator. Positioned at the rear of the undercarriage, it guides and supports the track as it moves forward and backward, helping to maintain proper track tension and absorb shock from uneven ground. By reducing wear on the track components and preventing derailments, the idler wheel ensures greater stability, prolongs the service life of the undercarriage, and allows your excavator to operate more safely and efficiently — whether you’re excavating, loading, leveling, or maneuvering on tough terrains. Designed to perform under heavy stress and challenging conditions, the DH55 idler is a key part that directly contributes to the overall productivity and reliability of your machine.
Material and Manufacturing Excellence
Our DH55 idler wheel is made from high-strength alloy steel, carefully forged and CNC-machined to match original dimensions.
The production process comprises:
- Precision Casting: Ensuring a strong, durable base structure.
- CNC Machining: Providing accurate dimensions for perfect fit and smooth functionality.
- Induction Heat Treatment: Surface hardening to HRC 52-58, adding resistance against wear and shock loading.
- Anti-Corrosion Coating: Durable paint or protective coating prevents rust and damage in muddy or humid 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
The DH55 idler is designed to match:
- Daewoo / Doosan DH55 Excavator
- DH55-2, DH55-3, and variants with analogous undercarriage dimensions
Some typical OEM reference numbers (for your consideration) include:
- 227-30-00004
- 227-30-00005
If you’re unsure about compatibility, please provide us with your excavator’s model and Serial Number, and we will match you with the perfect 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 | DH280LC | DH300LC-7 | DH320 | DH450 | DX60 | DX80 | DX225LC | |
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 DH55 idler is designed to excel even in the most challenging environments — whether you’re working in clay-rich soil, gravel, sand, or hard clay formations. Through specialized hardening and protective coating processes, it effectively resists abrasion, shock, and heavy impacts. This means it can keep your excavator running smoothly for longer periods, reducing maintenance needs, minimizing downtime, and lowering overall operating costs.
What Are the Advantages of Our DH55 Idler Wheel?
Our DH55 idler wheel stands out for its numerous benefits that help keep your excavator performing at its best:
- Higher wear resistance: Induction hardening and protective coating make it more durable and less prone to wear.
- Precision dimensions: CNC processing guarantees a perfect fit and smooth track movement under heavy workloads.
- Robust material: Made from high-strength alloy, it resists shock, bending, and heavy loading with ease.
- Lower maintenance: Durable components reduce service intervals, cut downtime, and help lower your total cost of ownership.
FAQ — Frequently Asked Questions
Q1: Will this idler match my DH55 if I provide you with the Serial Number?
A: Absolutely. Provide us with your excavator’s Serial Number, and we’ll match it accurately.
Q2: What material is this idler made from?
A: Our DH55 idler is manufactured from high-strength alloy steel, induction hardened for maximum wear resistance.
Q3: How long can I expect this idler to last under normal conditions?
A: The service life typically ranges from 2,500–3,500 hours or more, depending on conditions and maintenance practices.
Q4: Do you provide warranty for this product?
A: We back our idler wheels with a 6-12 months warranty against manufacturing defects. If you encounter any issues, please contact us immediately.
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.
