Wholesale ZX200 EX200 Track Bottom Roller for Hitachi Excavator
This bottom roller designed for ZX200 and EX200 excavators offers excellent wear resistance and reliable performance, ideal for heavy-duty construction and mining applications.
| 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.
Bottom Roller Function and Working Principle for ZX200 EX200
The track roller plays a critical role in supporting the entire weight of the excavator while ensuring smooth guidance of the track chain during operation. It minimizes friction and wear between the track chain and the undercarriage, contributing significantly to stable and efficient movement even on uneven and harsh terrains.
High-Quality Materials and Heat Treatment
Manufactured from premium alloy steel selected for excellent tensile strength and fatigue resistance, this track roller undergoes advanced heat treatment processes such as quenching and tempering. This treatment ensures an optimal hardness level and toughness balance, allowing the roller to withstand heavy loads and abrasive mining environments without premature failure.
Precision Manufacturing and Rigorous Quality Assurance
The production involves precision forging followed by CNC machining to achieve strict dimensional tolerances. Each roller is then heat-treated and surface-hardened to extend wear life. Comprehensive inspections, including hardness testing and non-destructive testing, are conducted to ensure every unit meets or exceeds OEM specifications.
Heat Treatment
The roller body and shaft undergo high-frequency quenching and tempering to achieve a surface hardness of HRC 52–58, enhancing wear resistance and fatigue strength for long-term use in rough terrains.
Machining Process
CNC machining ensures precision on all critical surfaces, including shaft ends, bore diameters, and seal housings. This guarantees a perfect fit, concentric rotation, and smooth installation onto the undercarriage.
Assembly
All components—including shaft, seals, bushings, and O-rings—are assembled in a dust-free environment to prevent contamination and ensure optimal sealing performance under pressure and vibration.
Running Test
Each roller is subjected to a dynamic rotation test to verify concentricity, smoothness, and internal lubrication flow. Any noise, resistance, or oil leakage is checked and corrected before approval.
Paint Spraying
The surface is coated with anti-corrosion industrial paint, often in black or yellow, to protect the roller from rust and harsh environmental exposure during storage and field use.
Packing
Finished rollers are wrapped in anti-rust film and packed into pallets or fumigated wooden crates. Each package is labeled with model, size, and quantity for easy handling and identification.
Bottom Roller Function and Working Principle for ZX200 EX200
The track roller plays a critical role in supporting the entire weight of the excavator while ensuring smooth guidance of the track chain during operation. It minimizes friction and wear between the track chain and the undercarriage, contributing significantly to stable and efficient movement even on uneven and harsh terrains.
High-Quality Materials and Heat Treatment
Manufactured from premium alloy steel selected for excellent tensile strength and fatigue resistance, this track roller undergoes advanced heat treatment processes such as quenching and tempering. This treatment ensures an optimal hardness level and toughness balance, allowing the roller to withstand heavy loads and abrasive mining environments without premature failure.
Precision Manufacturing and Rigorous Quality Assurance
The production involves precision forging followed by CNC machining to achieve strict dimensional tolerances. Each roller is then heat-treated and surface-hardened to extend wear life. Comprehensive inspections, including hardness testing and non-destructive testing, are conducted to ensure every unit meets or exceeds OEM specifications.
Heat Treatment
Machining Process
CNC turning and milling ensure dimensional accuracy
Assembly
Running Test
Simulated load test to verify functionality
Paint Spraying
Anti-rust coating for surface protection
Packing
OEM Undercarriage Parts for Hitachi
| 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.
OEM Compatibility and Versatile Application
Designed to perfectly match the specifications of both Hitachi ZX200 EX200 excavators, this track roller guarantees seamless interchangeability with original parts. It is widely used in heavy-duty construction and mining projects where reliable performance under tough conditions is essential.
Quality Control and Testing
Each roller is rigorously inspected for dimensional accuracy, hardness, and surface integrity. Our stringent QC ensures that all units meet or exceed OEM standards for strength, durability, and performance under tough operating conditions.
Maintenance Tips
- Regularly inspect for oil leaks and wear
- Replace rollers in pairs to ensure balanced wear
- Keep track chain tension within recommended range
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.
