Yuezhong Machinery's Digger Bucket Teeth

Yuezhong , as a professional excavator parts manufacturer, focuses on the production of highly wear-resistant and high-hardness alloy steel bucket teeth and tooth sleeves, especially suitable for Komatsu series excavators. We use precision casting technology, strictly follow industrial standards, and carefully build each product to provide excellent protection for your equipment and effectively extend its service life.
​
The bucket teeth and tooth sleeves provided by Yuezhong Machinery for Komatsu excavators can calmly cope with high-intensity operation requirements under various complex working conditions. Whether it is digging hard ore or working in muddy and rugged construction environments, these accessories show excellent durability. ​

Size customization is a prominent advantage of Yuezhong Machinery. According to the drawings, samples and detailed requirements provided by customers, we can accurately build bucket teeth and tooth sleeves suitable for various models of Komatsu excavators. From the large 400 series, to the medium-sized 300 series, 200 series, to the small PC60-RC, PC100-RC and other models, we can ensure that the accessories are perfectly compatible with the excavator. This precise customization can not only significantly improve the working efficiency of the excavator, but also reduce the equipment loss caused by mismatched accessories, effectively saving maintenance costs and time for users.




#unit-EpSAJUv1T8YcJ0r .ce-image_inner{justify-content:center;}#unit-EpSAJUv1T8YcJ0r .ce-image_item{--svg-color:rgba(221, 41, 78,1);--image-scale:0.56;padding-top:56%;}#unit-EpSAJUv1T8YcJ0r .ce-image{--image-effect:1;}









#unit-Ai5kd23okB6zzIN .ce-image_inner{justify-content:center;}#unit-Ai5kd23okB6zzIN .ce-image_item{--svg-color:rgba(221, 41, 78,1);--image-scale:0.56;padding-top:56%;}#unit-Ai5kd23okB6zzIN .ce-image{--image-effect:1;}









#unit-ZTnUStS6Pl80W6z{padding-top:2vw;}

Yuezhong Machinery has a wide variety of product models, all of which are specially designed and produced for Komatsu excavators. The following are some Komatsu compatible bucket teeth and tooth sleeve models:

#unit-hVHKOsGcRNIKIto{padding-top:2vw;}

Accessory name​​
Accessory number​​
Applicable Komatsu model ​
Bucket Teeth​
PC400RC​
小松 400 Series​
Adapter​
PC300RC​
小松 300 Series​
Adapter​
PC200RC​
小松 200 Series​
Bucket Teeth​
TZ200055​
PC60 - RC​
Bucket Teeth​
TZ200054​
PC100 - RC​
Bucket Teeth​
TZ200134​
205 - 70 - 19570TL​
Bucket Teeth​
TZ200153​
205 - 70 - 19570TV​
Bucket Teeth​
TZ200128​
207 - 70 - 14151TL​


If you are a Komatsu excavator user and are looking for a high-quality, adaptable and customized bucket tooth and gear sleeve supplier, Yuezhong Machinery is undoubtedly your best choice. With excellent product quality, diversified customization services and wide product compatibility, Yuezhong Machinery will provide a solid and powerful guarantee for your Komatsu excavator operation.

The Loader Bucket Adapter is an important component that connects the bucket to the loader, and its performance directly affects the working efficiency and service life of the equipment. However, many operators and maintenance personnel have some misunderstandings in daily maintenance, which lead to increased wear of the adapter, shortened service life, and even potential safety hazards. This article by Yuezhong will conduct an in-depth analysis of the common misunderstandings in the maintenance of the loader bucket adapter and provide the correct maintenance methods to help you extend the service life of the equipment and improve the operation efficiency.I. Common Misunderstandings in the Maintenance of the Bucket AdapterMisunderstanding 1: Neglecting Daily Inspections and Only Handling Problems When Failures Occur Wrong Practice: Many operators believe that the adapter "doesn't need attention as long as it can be used", and they only conduct inspections until looseness, abnormal noises or fractures occur. Risk: Small problems accumulate into major failures, which may lead to the fracture of the adapter and even damage the boom or bucket of the loader.Misunderstanding 2: Insufficient Lubrication or Using the Wrong Lubricant Wrong Practice: Without lubrication for a long time, it leads to direct friction between metals, increasing wear. Using ordinary butter instead of the special grease cannot effectively reduce friction. Risk: The pins and bushings of the adapter will wear rapidly, increasing the replacement cost.Misunderstanding 3: Over-tightening or Under-tightening of Bolts Wrong Practice: Over-tightening the bolts may cause the threads to strip or the adapter to deform. Bolts are not tightened according to the standard torque and may loosen and fall off during operation. Risk: The failure of bolts may cause the adapter to shift, affecting the stability of the whole machine.Misunderstanding 4: Continuing to Use the Adapter When the Wear Exceeds the Limit Wrong Practice: After finding that the pins or bushings of the adapter are worn, it is still in use, believing that "it can still be used for a while". Risk: Excessive wear will lead to a large gap in the connection between the adapter and the bucket, affecting the control accuracy and even causing safety accidents.Misunderstanding 5: Not Cleaning Up the Sediment and Debris Wrong Practice: The sediment, crushed stones and metal debris around the adapter are not cleaned up for a long time. Risk: Impurities enter the friction surface, accelerating wear, and may jam the pins, resulting in difficult disassembly.


#unit-qnpEPCLRdEEQyvl .ce-image_inner{justify-content:center;}#unit-qnpEPCLRdEEQyvl .ce-image_item{--svg-color:rgba(221, 41, 78,1);}#unit-qnpEPCLRdEEQyvl .ce-image{--image-effect:1;}#unit-qnpEPCLRdEEQyvl{padding-right:1vw;}









#unit-dgw3Gttz2L0TsEO .ce-image_inner{justify-content:center;}#unit-dgw3Gttz2L0TsEO .ce-image_item{--svg-color:rgba(221, 41, 78,1);}#unit-dgw3Gttz2L0TsEO .ce-image{--image-effect:1;}#unit-dgw3Gttz2L0TsEO{padding-left:1vw;}











II. Correct Maintenance Methods for the Bucket Adapter
1. Regular Inspection to Prevent Troubles before They Occur
Before daily operation: Check whether the adapter bolts are loose and whether the pins have abnormal wear.
Weekly: Check the wear of the bushings and measure whether the clearance is within the allowable range (usually ≤1mm).
Monthly: Conduct a comprehensive inspection of whether there are cracks or deformations in the adapter structure.
2. Scientific Lubrication to Reduce Wear
Use a special grease with high temperature resistance and high viscosity (such as lithium-based grease).
Lubrication frequency: Lubricate once every 8 - 10 working hours or after daily operation.
Lubrication method: Inject grease fully through the grease nipple until the old grease is extruded to ensure proper lubrication.
3. Standardize Bolt Tightening to Avoid Over-tightening or Under-tightening
Use a torque wrench to tighten according to the torque value specified by the manufacturer (usually 300 - 500N·m).
Adopt anti-loosening measures such as thread glue or elastic washers to prevent bolts from loosening.
Regularly re-tighten: Check the bolt status after every 50 working hours
4. Replace Worn Parts in a Timely Manner
Wear standard: When the diameter of the pin is worn by more than 1.5mm or the clearance of the bushing exceeds 1.2mm, it must be replaced.
Replace in pairs: The pin and the bushing should be replaced at the same time to avoid increased wear caused by uneven matching of new and old parts.
5. Keep Clean to Prevent Impurities from Entering
After each operation, use a high-pressure air gun or brush to clean the sediment and debris around the adapter.
In working conditions with large dust, a dust cover can be installed to reduce the intrusion of impurities.
III. Additional Suggestions for Extending the Service Life of the Bucket Adapter
1. Avoid Overloading Operations
Do not use the bucket for abnormal operations such as smashing and prying to avoid the adapter bearing additional impact forces.
2. Choose a High-quality Adapter
Give priority to choosing an adapter made of alloy steel and heat-treated, which has better wear resistance. Avoid using inferior adapters, otherwise, early fracture may occur due to insufficient strength.
3. Store the Equipment Correctly
When not in use for a long time, clean and apply anti-rust oil to prevent the adapter from rusting. Try to park in a dry environment to avoid rain erosion.
IV. Conclusion: Scientific Maintenance = Higher Efficiency + Lower Cost
Although the loader bucket adapter is a small component, it has a huge impact on the performance of the whole machine. Incorrect maintenance methods will shorten its service life, increase maintenance costs, and even cause safety accidents. However, scientific maintenance methods (regular inspection, correct lubrication, standard tightening, timely replacement, and keeping clean) can significantly extend the service life of the adapter and improve the equipment attendance rate.

In various engineering operations of loaders, the compatibility between the Loader Bucket Adapter and the bucket teeth is often overlooked. In fact, it has many important influences on the operation results. Today, Yuezhong will explain the influence in detail in this article.

#unit-2yXxQPTD7Ec3nt2 .ce-image_inner{justify-content:center;}#unit-2yXxQPTD7Ec3nt2 .ce-image_item{--svg-color:rgba(221, 41, 78,1);}#unit-2yXxQPTD7Ec3nt2 .ce-image{--image-effect:1;}









#unit-lyeSpSO6RAnHScF .ce-image_inner{justify-content:center;}#unit-lyeSpSO6RAnHScF .ce-image_item{--svg-color:rgba(221, 41, 78,1);}#unit-lyeSpSO6RAnHScF .ce-image{--image-effect:1;}











Adaptability first affects the efficiency of excavation. When the Loader Bucket Adapter and the bucket teeth are perfectly matched, the two can form a stable whole. During the excavation process, the force is transmitted more smoothly, and the bucket teeth can cut into the material accurately, reducing the excavation resistance. For example, in earth excavation operations, a well-matched combination allows the loader to shovel soil quickly, increase the single operation volume, and thus improve the overall work efficiency. On the contrary, if the adaptability is poor, the bucket teeth are easy to shake during excavation, which not only makes it difficult to effectively cut into the material, but also consumes more energy, resulting in a significant decrease in excavation efficiency and extended operation time.
Precisely matched Loader Bucket Adapter and bucket teeth ensure uniform force during operation and consistent wear of all parts. In this way, the service life of the bucket teeth and adapter will be extended, reducing the trouble and cost of frequent component replacement. In the harsh operating environment of mining, a combination of bucket teeth and adapters with good adaptability can better cope with the impact and friction of rocks and reduce the risk of component damage. On the contrary, mismatched bucket teeth and adapters can easily lead to increased local wear due to uneven force, shortening the service life of the equipment and increasing maintenance costs.
Adaptability also has an impact on the safety of the operation. Well-matched bucket teeth and Loader Bucket Adapter are firmly connected, and the bucket teeth will not suddenly loosen or fall off during the operation, ensuring the safety of the operator and surrounding personnel. Improperly matched combinations may cause accidents during operation due to loose bucket teeth, such as bucket teeth flying out and injuring people, which brings serious safety hazards to the operation site.
The adaptability of Loader Bucket Adapter to different bucket teeth plays an important role in excavation efficiency, equipment durability and operation safety. Both equipment manufacturers and users should pay attention to this factor and choose a combination of bucket teeth and adapters with good adaptability to ensure efficient and safe operation of the loader.

For those in the engineering field, excavator bucket teeth are a very familiar component—as the "vanguard" of excavation operations, they must withstand high-intensity impacts and resist material wear, making them arguably the most easily worn core parts of an excavator. Fortunately, wear and failure usually occurs at the tooth tips, eliminating the need for complete replacement. Therefore, "cost-effectiveness" becomes a key consideration when selecting a model. Today, we'll discuss the manufacturing process and core performance of bucket teeth, and by the way, recommend a reliable option: coated sand-cast bucket teeth produced by Juxian Yuezhong Machinery (Yuezhong Machinery), offering excellent quality at an affordable price.

The four main types of bucket teeth on the market:
There are four main manufacturing processes for bucket teeth on the market: sand casting, coated sand casting, precision casting, and forging. While sand casting is inexpensive, the surface of the bucket teeth is rough, and their hardness and wear resistance are insufficient, making them unsuitable for modern engineering operations. Forged bucket teeth have acceptable performance, but their sales have remained low due to high production costs and limited product variety. Coated sand casting and precision casting are currently the mainstream processes. Yuezhong Machinery's combination of "coated sand casting + precision casting with water glass" controls production costs while providing excellent wear resistance and impact resistance, perfectly balancing cost-effectiveness and practicality.

Differences in the durability of bucket teeth:
Many people wonder why there is such a big difference in durability between the same type of fighting teeth? This is closely related to failure analysis. During the digging process, the bucket teeth experience complex forces in contact with the material at the working face, and must withstand varying degrees of impact and wear at different stages of operation. Metallographic analysis revealed that the matrix of Yuezhong Machinery's bucket teeth is mainly composed of black, fine lamellar structures, while the inserts are composed of ferrite (white blocks) and troostite (black flaky particles). This material structure significantly improves the wear resistance of the bucket teeth—tested with an MLD-10 wear tester, both the matrix and inserts exhibit better wear resistance than traditional quenched 45 steel, effectively extending their service life.

Summarize

As a core advantage of combination bucket teeth, the individually replaceable tooth tip design already reduces operating costs. Yuezhong Machinery's coated sand bucket teeth further enhance durability through optimized manufacturing processes, making "high quality at a low price" a reality. Whether in mining, earthmoving, or infrastructure construction, these wear-resistant bucket teeth are adaptable to various working conditions, reducing replacement frequency and ensuring project progress.

If you are looking for high-performance, cost-effective excavator bucket teeth, combination bucket teeth, or wear-resistant bucket teeth, you might want to check out Yuezhong Machinery. We are committed to creating reliable products with superior craftsmanship, allowing every user to spend less money and use more durable bucket teeth. If you have any questions about product selection or purchasing needs, feel free to leave a message to discuss.

As the New Year's bells are about to ring, at this wonderful moment of bidding farewell to the old and ushering in the new, Yuezhong Machinery extends its sincerest gratitude and best wishes to all our customers, partners, and colleagues in the construction machinery industry who have trusted and supported us over the years! May the new year bring you success in your endeavors, just like our wear-resistant bucket teeth – fearless in the face of challenges, efficient in operation, and leading to a year of abundant achievements!

Focusing on wear resistance and crafted with meticulous care: Yuezhong Machinery's core quality


As a professional manufacturer specializing in key components for construction machinery, Yuezhong Machinery is committed to providing global loader and excavator users with high-performance, long-lasting bucket teeth products and customized solutions. Our product line comprehensively covers various working condition requirements:

Loader Bucket Teeth:
Made of high-strength alloy steel and advanced heat treatment processes, designed specifically for heavy-duty loading operations, offering excellent wear and impact resistance, significantly improving loading and unloading efficiency and reducing replacement frequency.


Excavator Bucket Teeth:
Optimized tooth shape and material for harsh working conditions such as excavation, mining, and crushing, providing multiple series of wear-resistant teeth, including rock teeth, ripper teeth, general-duty teeth, etc., compatible with mainstream excavator brands and models.


Customized Bucket Teeth:
We support custom tooth design and manufacturing, providing one-on-one solutions based on your specific working conditions and material characteristics (such as dealing with high wear and corrosive environments), ensuring optimal matching and cost-effectiveness.



Our products are widely used in mining, earthmoving, road construction, port handling, and other fields. With a reputation for "more wear-resistant and more durable" quality, we have become a trusted bucket teeth supplier for numerous equipment companies and end-users.




New Year's greetings: May your career be forged like fine steel, progressing steadily forward.


On this New Year's Day, Yuezhong Machinery sincerely wishes you:
May your work be like High-Strength Excavator Teeth, overcoming challenges and achieving success in everything you do;
May your team be like Custom Bucket Teeth Kits, working closely together and cooperating efficiently;
May your New Year's plans be like Wear-Resistant Loader Teeth, with a clear path and steady progress;
May your achievements be like a fully loaded bucket, yielding abundant results and bringing constant joy.

Thank you to every customer who chooses Yuezhong Brand Bucket Teeth. We will continue to optimize our product processes, improve Bucket Teeth Service Life, and strengthen our Custom Teeth Service capabilities to provide you with more timely technical support and supply chain assurance.



Embracing 2026, empowering mechanical power with reliable components.


As the new year begins, it's a crucial time for equipment maintenance and parts replacement. Choosing Yuezhong OEM Quality Teeth is not only a protection for your equipment but also a long-term investment in construction efficiency and safety. We offer:
Wholesale and Retail of Wear-Resistant Bucket Teeth
Excavator Teeth Customization and Replacement Solutions
Loader Teeth Fitting Consultation and Technical Support
Discounts for Long-Term Partners



In 2026, we will continue to focus on the core values ​​of "wear resistance, customization, and high efficiency," launching more High-Performance Bucket Teeth Series adapted to extreme working conditions, helping your equipment achieve maximum performance in every operation.

We wish you and your family a Happy New Year, good health, and a prosperous career! In 2026, let Yuezhong stand alongside you to build a solid future together!