The ZX450 idler plays a key role in guiding and tensioning the track chain, ensuring it runs smoothly and stays properly aligned during operations. Positioned at the forefront of the undercarriage, it supports forward and backward movement while reducing shock and wear on adjacent components. It also assists in absorbing vibrations and heavy loading, contributing to a more stable and reliable undercarriage.
Excavator Parts Idler Wheel Compatible with Hitachi ZX450
The Hitachi ZX450 idler is designed to provide strong support and proper track tension for your excavator. Made from high-strength steel and precision-engineered components, it guarantees stability, smooth movement, and a longer service life — even under the most challenging conditions.
| 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
Material Selection and Structural Advantages
The Hitachi ZX450 idler is manufactured from high-strength alloy steel — typically 40Mn or 50Mn — renowned for its toughness, wear resistance, and ability to absorb shock under heavy workloads. The thick sidewalls, deep groove, and reinforced flanges add structural stability and help to maintain proper track alignment, reducing the risk of derailments. Inside, precision bushings and seals minimize friction, retaining lubrication and extending service intervals.
Idler Wheel Manufacturing Process — An Overview
The production of an idler wheel involves a series of carefully controlled steps to assure the highest quality and durability:
- Material Selection:
We start by choosing high-strength alloy steel (such as 40Mn or 50Mn) to provide a tough, wear-resistant base. - Forging:
The raw material is heated to a high temperature and forged into a rough idler shape under immense pressure. This process increases density, toughness, and resistance to shock. - Precision Machining:
Using advanced CNC equipment, we cut and shape the forged piece to its exact dimensions. Bushings, bores, and flanges are finished to match stringent tolerance requirements. - Heat Treatment:
To maximize surface hardness and wear resistance while retaining a tough core, the idler undergoes induction hardening or quenching and tempering. This process results in a durable outer layer and a resilient interior. - Surface Coating and Final Inspection:
Once cooled, the idler is treated with a protective coating to resist corrosion and abrasion. Each piece then undergoes rigorous quality checks — dimensions, material properties, surface finish — to assure it meets all performance criteria.
Factory Photos
Here are a few authentic photos from our factory, offering a clear view of our production capabilities and genuine manufacturing 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.
Compatible Models and Serial Numbers
The Hitachi ZX450 idler is designed to match:
Hitachi ZX450, ZX450-3, ZX470, ZX470-3
Other variants in the ZX Series with a similar undercarriage configuration
Some commonly referenced serial numbers (for your consideration; please check against your own machine’s details) include:
9188315, 9188316, 9188317
If you’re unsure about compatibility, please provide us with your excavator’s model and serial number. Our team can quickly match you with exactly the right components.
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.
Application in Extreme Working Conditions
The EC290 idler is designed with a robust and reinforced structure to handle heavy-duty conditions and maximize service life. The thick sidewalls provide exceptional stability and resistance to bending, allowing the idler to absorb shock and heavy loading without warping or deforming. The widened flanges help keep the track perfectly aligned, reducing the risk of derailments and minimizing wear on adjacent components.
Inside, the bushings and seals are manufactured with high precision to minimize friction and wear. The deep groove design efficiently guides the track, reducing side loading and improving overall stability. Furthermore, specialized materials and hardening techniques are applied to key components, strengthening their resistance to abrasion, shock, and corrosion. The result is a durable idler that performs at its peak for longer, delivering a lower total cost of ownership and less maintenance over time.
Why Choose Our ZX450 Idler Wheel?
The ZX450 idler performs exceptionally well under tough conditions — whether you’re excavating clay-rich soil, gravel, sand, or hard clay formations. The hardening process and protective coating help it resist abrasion, shock, and heavy loading, extending service intervals and reducing maintenance and downtime. Designed to operate smoothly in harsh terrains — from mining sites and quarries to forestry and roadworks — this idler delivers reliable performance under the most challenging conditions. It guides the track accurately, prevents derailments, and maintains proper track tension, contributing to a more stable, productive, and cost-effective 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.
