
21M-30-00301 Excavator Idler
The front idler assy is used to guide the track to rotate correctly to prevent track deviation and detailment.Most of idler groups also act as track rollers.
Product Introduction
21M-30-00301 excavator idler
Production introduction
An idler of an excavator is an essential part that helps to support and guide the tracks of the machine. It is fundamental for the excavator to move smoothly and efficiently while digging trenches, loading material, or carrying out any other tasks.
The idler is positioned at the front end of the undercarriage, and its primary function is to keep the track tension consistent while the excavator is in motion. As the machine moves, the idler's rotating wheel helps to support the tracks, reduce vibration, and prevent derailment.
The importance of maintaining the idler cannot be overstated. Regular inspections and maintenance can help to detect any wear and tear or damage to the idler and ensure it is replaced promptly. Ignoring this critical part can result in track problems, leading to expensive repairs, and posing safety hazards.
In summary, the idler of an excavator may seem like a small component, but it plays a significant role in the overall performance and safety of the machine. As such, it is critical to ensure the idler is always in optimal condition to avoid any issues during operation.
Production detail:
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Model |
21M-30-00301 |
|
Applicable pitch range |
90 to 317.5 |
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Material |
Front idler roller body ZG50MN or 35SIMN |
|
Brackets nodular steel or allay steeel |
|
|
Manufacturing method |
casing ,heat treatment,lathing,drilling,painting |
|
Color |
Black,yellow etc.. |
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Packing |
pallets |
|
Delivery time |
Around 30 days |
|
Port of shipment |
Xiamen |
|
guarantee time |
6 months |
|
OEM and ODM |
Acceptable |
|
Payment term |
TT |
| LC at sight | |
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Features |
1. Cost saving service life The heavy profiles of idler rims are carefully heat treated in depth for extra service life. 2. Maximum strength The idler roller shaft is machined by the utilization of the most modern technological advances known to the industry. Grinding and finishing methods ensure a mirror like finish and tempering with medium to low frequency heat treating equipment guarantees maximum strength. 3. Floating seal group Floating seal group of our front idler group has super seal performance under bad working conditions like being muddy or steamy etc.. it is applicable for the condition of low speed and heavy load. And it is anti-friction and can be auto-compensated after wearing. 4. Lubrication oil Lubrication oil of our frant idler assy is selected carefully. It can lubricate shaft and bushing well to lower the wearing utmostly. And it can cool the roller perfectly. Those maximize the inner structure life.
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Our services |
1. Our engineers in this field are more than 20 years. So they can feedback very soon. 2. Sale and service team You can contact with our team via phone, on line chatting tool and email. Our team will reply to you any time. 3. We have forging and casting,so we can offer customers very competitive prices. |
Stucture

Sizes

Komatsu, a popular heavy machinery manufacturer, has a wide range of excavators that cater to diverse needs in the construction sector. Komatsu specializes in manufacturing excavators that are reliable, efficient, and equipped with the latest technology. In this article, we will explore the various models of Komatsu excavators.
1. PC01-1: This mini excavator is ideal for small construction sites or home landscaping projects. It is lightweight and can be easily transported from one location to another.
2. PC30MR-3: This model of Komatsu excavator is slightly larger than the PC01-1 and is an upgrade to the Komatsu PC30MR-2. It has a fuel-efficient engine and a spacious cab for the comfort of the operator.
3. PC88MR-10: This is a mid-size excavator that has various safety features making it ideal for large construction sites. It has a Tier 4 engine that meets emissions standards.
4. PC210LCi-11: This excavator has state-of-the-art technology that enables the operator to accurately dig up trenches and excavate holes without using a grade checker. This model is ideal for high precision excavation work.
5. PC490LC-11: This model is a heavy-duty excavator that is suitable for demanding construction projects. It has a powerful engine that can handle tough conditions and can be used for large-scale excavations.
In conclusion, Komatsu has various sizes and models of excavators that cater to the needs of the construction industry. The models listed above are just a few of the standout options available from Komatsu, and they have all been designed to provide reliable and efficient performance in their specific applications. Whether you need a mini excavator for small landscaping projects or a heavy-duty model for large-scale construction projects, Komatsu has something for everyone.

FAQ
1. What is the percent of your parts for overseas market?
70percent of our parts are for overseas market.
2. Is there any guarantee of your parts?
There are 6 months guarantee time for excacavar parts under normal working conditions and 3months guaranteet tiem for bulldozer parts under normal working conditions.
3. How do you offer guarantee?
If parts are broken due to manufacturing problem, we will deduct the value for next order amount or offer you brand new one to replce.
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