The Hitachi ZX870 idler wheel is a critical component located at the front of the undercarriage system. Its primary function is to guide the track chain, maintain proper track alignment, and work together with the track adjuster assembly to ensure consistent track tension throughout operation. For a machine as large as the ZX870, which is commonly used in open-pit mining, quarry production, bulk earthmoving, and heavy excavation projects, the idler is exposed to continuous shock loads, high track tension, and abrasive working conditions.
Hitachi ZX870 ZAX870 Excavator Undercarriage Parts Front Idler Wheel
The Hitachi ZX870 idler is engineered for large mining excavators, providing accurate track guidance, stable tension control, and exceptional durability under extreme operating conditions. Manufactured with premium materials and precision machining, it delivers dependable undercarriage performance in demanding mining and quarry environments.
| Material | 50Mn/40MnB |
|---|---|
| Surface Hardness | HRC53-58,deepth: 8-12mm |
| Colors | Black or yellow or customized |
Request Pricing & Details
Quick Quote Request
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
High-Strength Materials for Extreme Durability
The idler wheel body is manufactured from premium 50Mn steel, a material widely recognized for its excellent toughness, impact resistance, and load-bearing capacity. Through controlled heat treatment processes, the wheel achieves enhanced wear resistance while maintaining the structural strength required for large mining excavators.
Precision Manufacturing Process
Every ZX870 idler is produced under strict quality standards to ensure consistent performance in demanding environments.
Production begins with raw material preparation and wheel body forming through casting or forging processes. The component then undergoes precision machining to achieve accurate dimensions and proper assembly tolerances. Heat treatment improves wear resistance in high-contact areas, while final assembly and inspection ensure smooth operation and reliable fitment.
The finished idler receives protective coating treatment before packaging and shipment.
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.
OEM Compatibility
This idler wheel is specifically designed for:
- Hitachi ZX870 Excavator
OEM reference numbers, technical drawings, and dimensional specifications can be provided upon request for fitment verification and compatibility confirmation.
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.
Quality Control
Each idler undergoes comprehensive inspection throughout production, including material verification, hardness testing, dimensional measurement, assembly inspection, and surface quality checks.
These procedures help ensure that every idler meets OEM performance requirements and delivers reliable service in demanding mining applications.
Conclusion
The Hitachi ZX870 idler is engineered to withstand the demanding conditions of modern mining and heavy excavation operations. Combining high-strength 50Mn steel, advanced heat treatment, precision machining, and rigorous quality control, it provides reliable track guidance, improved undercarriage durability, and long-term performance for large mining excavators.
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.
Inquiry Now
Request Pricing & Details
Quick Quote Request
Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
