For the Hitachi ZX55 mini excavator, the idler is a key component in maintaining proper track alignment and tension. Whether used in urban construction, landscaping, or utility work, a reliable front idler for ZX55 helps ensure smooth travel, stable operation, and reduced wear across the entire undercarriage system. As part of the track assembly, the ZX55 idler supports the track chain while working together with the tensioning system, making it essential for consistent performance in daily operations.
Hitachi ZX55 Undercarriage Parts Front Idler Wheel Manufacturer
The Hitachi ZAX55 idler wheel is a key component of your excavator’s undercarriage. It guides the track smoothly, maintains proper tension, and prevents derailments — all while delivering exceptional durability and wear resistance. Designed to perform under heavy workloads and challenging conditions, this idler helps keep your ZAX55 excavator productive and reliable on all job sites.
| 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.
Description
Function and Working Role
The idler is positioned at the front of the undercarriage and works together with the track adjuster to maintain proper chain tension. It ensures that the track chain runs straight and remains engaged with rollers and sprockets during operation.
On a compact excavator like the ZX55, stable track guidance is especially important when working in confined spaces or making frequent directional changes.
Material and Structural Strength
The idler body is typically manufactured from high-strength steel such as 40Mn, offering a good balance of toughness and wear resistance. This allows the component to withstand continuous contact with the track chain, as well as impact from uneven ground.
Our optimized structural design of the idler wheel helps prevent deformation of its track portion and ensures stable performance during extended operation.
Below are some real pictures of our factory, showing our real production process.
Polished Surface
This photo shows the idler after it has been carefully polished. The smooth surface reduces resistance against the track and minimizes wear.
Final Packaging
This photo displays the finished idler safely packaged and ready for delivery, ensuring it reaches you in perfect condition.
Wear Resistance and Surface Durability
Our idler wheel surfaces undergo special treatment to enhance hardness and abrasion resistance. This reduces wear caused by constant friction with the track links and helps maintain a stable guiding profile.
For machines operating in sandy, muddy, or mixed ground conditions, this wear resistance directly affects service life and maintenance intervals.
Sealing System and Internal Protection
In addition to superior materials and special surface treatments, we also employ high-quality sealing materials internally within the idler wheel.
The sealing system is designed to protect the bearings and lubricants from dust, water, and debris. Effective sealing helps maintain smooth rotation and prevents premature failure due to contamination, extending the idler wheel's service life. Reliable sealing performance is especially important for small excavators like the EX55, which often operate in wet soil or confined environments.
OEM Undercarriage Parts for Hitachi Excavator
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| HITACHI-EX/ZAX/ZX | EX30 | EX40 | EX55 | EX60 | EX60-2 | EX60-3 | EX60-5 | EX70 |
| EX75 | EX100 | EX100-3 | EX100-5 | EX120 | EX120-1 | EX120-3 | EX120-5 | |
| EX130-1 | EX200-1 | EX200-2 | EX200-3 | EX200-5 | EX200LC-1 | EX200LC-2 | EX200LC-3 | |
| EX200LC-5 | EX220-3 | EX220-5 | EX270 | EX270-1 | EX270-2 | EX270-5 | EX270LC-1 | |
| EX270LC-2 | EX270LC-5 | EX300 | EX300-1 | EX300-2 | EX300-3 | EX300-5 | EX300A | |
| EX300LC-1 | EX300LC-2 | EX300LC-3 | EX300LC-5 | EX330 | EX370 | EX400-1 | EX400-2 | |
| EX400-3 | EX400-5 | EX400LC-1 | EX400LC-2 | EX400LC-3 | EX400LC-5 | EX450 | EX450-1 | |
| EX450-2 | EX450-3 | EX450-5 | EX450LC-1 | EX450LC-2 | EX450LC-3 | EX450LC-5 | UH07-7 | |
| ZAX30 | ZAX55 | ZAX200 | ZAX200-2 | ZAX330 | ZAX450-1 | ZAX450-3 | ZAX450-5 | |
| ZX30 | ZX33 | ZX38U | ZX40 | ZX55 | ZX60 | ZX70 | ZX75US | |
| ZX120 | ZX130 | ZX160LC | ZX200 | ZX210 | ZX240 | ZX270 | ZX330 | |
| ZX360 | ZX400 | ZX450 | ZX470 | ZX500 | ZX650 | ZX850 | ZX870 | |
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Compatibility and Installation
This idler is designed to match the dimensions and mounting structure of the Hitachi ZX55. Proper fit ensures easy installation and correct alignment within the undercarriage system.
Accurate compatibility also helps avoid uneven wear on track chains, rollers, and sprockets.
Quality Control and Manufacturing
Each ZX55 idler is produced under controlled manufacturing processes, including material inspection, machining accuracy checks, and final assembly verification. These quality control steps ensure consistent performance and reliability in real working conditions.
Maintenance Recommendations
To extend the service life of the idler and the entire undercarriage system:
- Maintain proper track tension
- Regularly remove debris from the track area
- Inspect sealing condition during routine maintenance
- Monitor for abnormal noise or uneven wear
Proper maintenance helps reduce downtime and ensures stable machine operation.
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.
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.
