CAT E200B Undercarriage Parts Front Idler Wheel Repair
The E320 idler wheel is a key component of your excavator’s undercarriage. It guides the track chain smoothly, maintains proper track tension, and provides stability and control on all terrains. Built from high-strength materials and manufactured with precision, this idler guarantees a longer service life and reduced maintenance, keeping your E320 operating at peak performance.
| 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.
This E200B excavator front idler wheel is a durable undercarriage idler designed to maintain precise track alignment and stable operation. As a key idler wheel for track excavators, it works in conjunction with the track adjuster to control track tension and smoothly guide the track chain during operation.
This heavy-duty excavator idler wheel is designed for harsh environments and is suitable for the E200B in construction and earthmoving operations, reducing vibration and preventing abnormal wear on track links, rollers, and sprockets. Its reliable performance ensures a longer undercarriage life and higher operational efficiency.
Material & Manufacturing Process
Our mining excavator idler wheels are made of high-strength alloy steel, ensuring excellent impact resistance and deformation resistance. Advanced heat treatment processes enhance surface hardness and internal toughness, enabling the idler wheels to withstand continuous heavy loads.
Precision machining guarantees accurate dimensions and proper fitment, while strict quality control ensures consistency across each unit. This results in a component that performs reliably even under harsh working conditions.
Production Process
From raw material selection to final assembly, each idler undergoes a controlled manufacturing process:
- Forging or casting of the idler shell
- Machining of the bearing seat and shaft components
- Heat treatment to enhance hardness and wear resistance
- Assembly of internal components
- Surface coating and painting for corrosion protection
This complete process ensures durability, structural integrity, and long service life.
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.
Quality Control & Inspection
Each idler is subjected to strict inspection procedures before delivery. Key checkpoints include dimensional accuracy, hardness testing, and assembly verification. This ensures that every product meets OEM standards and performs consistently in real-world applications.
OEM Compatibility
The E200B idler is manufactured according to OEM specifications, ensuring seamless installation without modification. It is fully interchangeable with original parts and can be used in both maintenance replacement and full undercarriage rebuilds.
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| CATERPILLAR-CAT | CAT55 | CAT225 | CAT245 | CAT311 | CAT312 | CAT312B | CAT315 | CAT320 |
| CAT320B | CAT320C | CAT320D | CAT320L | CAT322 | CAT324 | CAT325 | CAT325B | |
| CAT325BL | CAT330 | CAT330B | CAT330BL | CAT330C | CAT330D | CAT345 | CAT345B | |
| CAT973 | E55 | E70 | E70B | E120 | E120-1 | E120B | E140 | |
| E200B | E200-5 | E215 | E240 | E300B | E300L | E311 | E312 | |
| E312B | E320 | E320BL | E320C | E320D | E320DL | E320L | E320S | |
| E322B | E322C | E324 | E324D | E324DL | E325 | E325B | E325L | |
| E329DL | E330 | E330B | E330C | E330D | E330DL | E345 | E345B | |
| E450 | CAT301.5 | CAT302.5 | CAT303.5 | CAT305 | CAT307 | CAT308 | CAT313 | |
| CAT316 | CAT318 | CAT320E | CAT320GC | CAT323 | CAT326 | CAT329 | CAT336 | |
| CAT340 | CAT349 | CAT350 | CAT365 | CAT374 | CAT375 | CAT385 | CAT385CL | |
| CAT390 | CAT390D | CAT390DL | CAT390FL | CAT395 | CAT6015 | CAT6015B | CAT6015D | |
| CAT6020 | CAT6020B | CAT6030 | CAT6030B | CAT6030D | CAT6040 | CAT6040B | ||
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Application Scenarios
This idler is suitable for a wide range of working conditions, including:
- Construction and infrastructure projects
- Earthmoving and excavation operations
- Quarry and mining environments
- Harsh terrains such as muddy or uneven ground
Its robust design ensures stable performance even in high-impact and abrasive conditions.
Maintenance Tips
To extend the service life of the idler and undercarriage system:
- Regularly check track tension and adjust when necessary
- Inspect for abnormal wear or misalignment
- Keep the undercarriage clean to reduce abrasive damage
- Replace worn components in a timely manner
Proper maintenance helps reduce downtime and improve overall machine efficiency.
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.
