Product Description
Crawler Excavator 400*74*72 Track Chain for Engineering Machinery Equipment Parts
| 1.Model no. | 400*74*72 |
| 2.Origin | China |
| 3.Application | Excavator |
| 4.Material | Rubber and Steel |
| 5.Weight | 128KG |
| 6.Condition | New |
| 7.Certification | ISO9001:2000 |
| 8.Port | ZheJiang ,China |
| 9.HS Code | 84314999 |
| 10.Feature | Wear-resistant,Heat-resistant,Tear-resistant |
| 11.Transport Package | Pallet with plastic wrapping/Nude Packing |
| 12.Color | Black |
| 13.Trade Mark | OEM Available |
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SIZES
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| 110/84 | 400/90DH | 500/90NA |
| 180/84W | 400/90JG | 500/90NAS |
| 200/84W | 400/90JK | 500/90NER |
| 250/84N8S | 400/90JW | 500/90NK |
| 280/79 | 400/90L | 500/90NK1 |
| 280/90 | 400/90N | 500/90NKE |
| 280/90KP | 400/90NC | 500/90NKH |
| 300/84N | 400/90NJ | 500/90NKS |
| 300/84NS | 400/90NJN | 500/90NS |
| 300/84YC | 400/90NJNS | 550/90A |
| 300/90D | 400/90NJS | 550/90B |
| 320/45(BC) | 400/90NK | 550/90KA2 |
| 320/45(TK) | 400/90NKS | 550/90N |
| 330/101.6 | 400/90NKW | 550/90NA |
| 330/72N7 | 400/90NS | 550/90NAS |
| 330/72N7S | 400/90NW | 550/90NER |
| 330/79N | 400/90NWS | 550/90NIH |
| 330/79NER | 400/90P | 550/90NK |
| 330/79NK | 400/90THC | 550/90NK2 |
| 330/79NKS | 410/90NER | 550/90NKS |
| 330/79NS | 420/84 | 550/90NS |
| 330/84N | 420/84DS | 550/90NSY |
| 330/84NC | 420/84N | 600/100(Ar) |
| 330/84NS | 420/84NS | 625/90 |
| 330/84YC | 420/90NK | C350/90 |
| 330/90 | 420/90NKS | C350/90H |
| 330/90N90S | 425/90 | C400/90 |
| 330/90N9I | 425/90D | C400/90H |
| 330/90N9IS | 450/90B | C400/90Y |
| 330/90NS | 450/90C | C450/90 |
| 350/84N | 450/90D | C450/90H |
| 350/84NS | 450/90DS | C500/90U |
| 350/90D | 450/90DT | D300/90 |
| 350/90L | 450/90JW | D350/90 |
| 350/90S | 450/90JWH | D400/90 |
| 360/79N | 450/90KP | D400/90A |
| 360/79NK | 450/90KU | D450/90 |
| 360/79NKS | 450/90L | D500/90 |
| 360/79NS | 450/90N | D500/90U |
| 360/90N | 450/90NA | DS400/90 |
| 360/90NER | 450/90NAS | DS450/90 |
| 360/90NKS | 450/90NER | DT450/90 |
| 360/90NS | 450/90NK | KB400/90 |
| 400/72 | 450/90NKS | 450/90JG |
| 400/79 | 450/90NS | 400/90P |
| 400/79NK | 450/90NW | D450/90G |
| 400/84 | 460/90 | 500/92W |
| 400/84R | 460/90C | 450/90DF |
| 400/84YC | 460/90HK | C450/90 |
| 400/84YCH | 460/90NK | 350/90X |
| 400/84YCL | 460/90NKS | 400/90DC |
| 400/90A | 470/90NER | 450/90DC |
| 400/90B | 500/100(Ar) | 500/90DC |
| 400/90C | 500/90CS | 550/90DC |
| 400/90CS | 500/90D | 350Ă—90XB |
| 400/90D | 500/90DS | C450Ă—90Z |
| 400/90D1 | 500/90JK | C450x90HL |
| 400/90D1S | 500/90JW | YM500/90 |
| 400/90DA | 500/90JWH | 500/90AW |
| 400/90DF | 500/90N | 575/93 |
Extreme Durability & Performance
Our joint free track structure, Special designed tread pattern, 100% virgin rubber,and 1 piece forging insert steel result extreme durability & performance and longer service life for construction equipment use. CHINAMFG rubber tracks perform a high level of reliability and quality with our latest technology in mold tooling and rubber formulation.
Product Warranty
All our rubber tracks are made with a serial Number, we may trace the product date against the serial Number.
It’s normally 1year factory warranty from production date, or 1200 working hours.
Rubber Track Show:
Our customers:
   John Deere,Challenger,Case,Morooka,Caterpollar,ASV,Hitachi,Hyundai,IHI,JCB,Vermeer and so on.
Workshop Producing show:
Packing show:
5)Factory show
6)Transfer way:
  By sea
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7)FAQ:
Q: Are you trading company or manufacturer ?
A: We are Integration of industry and trade, with over 20 years experience in rubber track. Our company have accumulated skilled production line, complete management and powerful research support, which could match all of the customers’ requirements and make them satisfaction.
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Q: What is your main product?
– Rubber Track:different types tracks for machines
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Q: What if I don’t know which type I need?
A: Don’t worry, Send the machine item of your using, our team will help you find the right 1 you are looking for.
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Q: What is your terms of payment ?
A: Payment≤1000USD, 100% in advance. Payment≥1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:
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Q: How to delivery:
A: By sea – Buyer appoint forwarder, or our sales team find suitable forwarder for buyers.Â
Q: How long is your delivery time?
A: Generally it is 10-15Â days if the goods are in stock. or it is 20-30 days if the goods are not in stock, it is according to quantity.
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| After-sales Service: | Yes |
|---|---|
| Warranty: | 12months Under Normal Use |
| Type: | Track |
| Samples: |
US$ 200/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can engineering chains be used in overhead or inverted applications?
Yes, engineering chains can be used in both overhead and inverted applications, provided they are properly selected and installed. These types of applications are common in various industries, including material handling, automotive, and food processing. Engineering chains are versatile and well-suited for such applications due to their robust construction, flexibility, and ability to handle heavy loads.
Overhead applications involve suspending the chain from overhead beams or structures, while inverted applications require the chain to run on the underside of the conveyor or equipment. Some factors to consider when using engineering chains in these applications include:
- Corrosion Resistance: For overhead applications in outdoor environments or areas with exposure to moisture, it is essential to use engineering chains made from corrosion-resistant materials, such as stainless steel, to prevent rust and ensure longevity.
- Lubrication: Proper and regular lubrication is crucial for chains in both overhead and inverted applications to reduce friction, wear, and noise levels. Lubrication also helps protect the chain from contaminants and moisture.
- Load Capacity: Ensure that the engineering chain selected has a sufficient load capacity to handle the weight of the conveyed materials or equipment in the application.
- Installation: Proper installation is critical for the smooth operation of the chain in overhead and inverted applications. Correct tensioning and alignment will help prevent premature wear and improve overall performance.
- Chain Speed: Consider the speed at which the chain will be running in the application, as higher speeds may require additional considerations in terms of lubrication and wear.
By taking these factors into account and following the manufacturer’s guidelines for installation, lubrication, and maintenance, engineering chains can be used effectively in overhead and inverted applications. They offer reliable and efficient power transmission and material handling solutions, making them valuable components in a wide range of industrial processes and systems.

What are the benefits of using an engineering chain over other power transmission methods?
Engineering chains offer several advantages over other power transmission methods, making them a preferred choice in various industrial applications:
- High Strength: Engineering chains are designed to handle heavy loads and high torque, making them suitable for demanding applications that require robust and reliable power transmission.
- Wide Range of Sizes: These chains are available in a wide range of sizes and configurations, allowing for flexibility in design and accommodating various application requirements.
- Durable and Long-Lasting: When properly maintained, engineering chains have a long service life, reducing the need for frequent replacements and minimizing downtime in industrial operations.
- Adaptable to Harsh Environments: Engineering chains are capable of operating in harsh conditions, including dusty, dirty, or corrosive environments, without compromising their performance.
- Shock Load Resistance: The design of engineering chains allows them to handle sudden impact forces and shock loads, which can occur in certain industrial processes.
- Cost-Effective: Engineering chains often provide a cost-effective solution for power transmission compared to other methods, especially in high-load applications.
- Simple Installation: With proper alignment and tensioning, engineering chains are relatively easy to install, reducing installation time and labor costs.
- Bi-Directional Power Transmission: Engineering chains can transmit power in both forward and reverse directions, making them suitable for applications requiring bidirectional motion.
- Low Maintenance: Regular maintenance, such as lubrication and inspection, can keep engineering chains in good working condition, reducing overall maintenance costs.
- Reduction of Noise and Vibration: When adequately lubricated and aligned, engineering chains can operate quietly and with minimal vibration, contributing to a more comfortable and safer working environment.
Despite their many advantages, it’s essential to consider the specific requirements of each application before selecting an engineering chain. Factors such as load capacity, speed, environmental conditions, and space constraints should be taken into account to ensure the chain’s optimal performance and longevity.
In summary, engineering chains are a versatile and reliable power transmission method, offering a range of benefits that make them well-suited for use in various industrial settings.

Can engineering chains be used in corrosive or harsh environments?
Yes, engineering chains can be designed and manufactured to withstand corrosive or harsh environments. When operating in such conditions, it is crucial to select the appropriate materials and coatings for the chain to ensure its durability and performance. Here are some considerations for using engineering chains in corrosive or harsh environments:
1. Material Selection: Choose materials that have high corrosion resistance, such as stainless steel or nickel-plated chains. These materials can withstand exposure to moisture, chemicals, and other corrosive agents.
2. Coatings and Surface Treatments: Applying specialized coatings or surface treatments to the chain can further enhance its corrosion resistance. Common coatings include zinc plating, chromate conversion coating, and polymer coatings.
3. Sealed Joints: Opt for engineering chains with sealed joints or special seals to protect the internal components from contaminants and moisture, reducing the risk of corrosion.
4. Environmental Ratings: Some engineering chains may come with specific environmental ratings that indicate their suitability for certain conditions. Check these ratings to ensure the chain is appropriate for the intended environment.
5. Regular Maintenance: Even with corrosion-resistant materials and coatings, regular maintenance is essential. Keep the chain clean, lubricated, and free from debris to prevent corrosion and premature wear.
6. Compatibility with Other Components: Ensure that all components in the chain system, such as sprockets and bearings, are also suitable for use in corrosive environments.
7. Temperature Considerations: Take into account the operating temperature range of the environment. Some materials may perform differently at extreme temperatures, affecting the chain’s overall performance.
8. Chemical Exposure: If the chain will be exposed to specific chemicals or substances, verify that the chosen materials and coatings are resistant to those chemicals.
By carefully selecting the right materials, coatings, and design features, engineering chains can effectively handle corrosive or harsh environments, maintaining their functionality and longevity in challenging industrial applications.


editor by CX 2024-03-26