Shantui 6623-21-4340 Plate
1.High strength: High alloy steel with heat treatment, can withstand large axial and impact loads.
2.Precise OEM Geometry: Fully matched to Shantui specifications, perfect fit without any adjustments.
3.Wear resistance: Precision surface treatment protects against abrasive wear and corrosion.
Product introduction
Plate 6623-21-4340 is a genuine fastening and support component from heavy equipment manufacturer Shantui, designed for use in the undercarriage, transmission, and other highly loaded components of bulldozers, excavators, and construction equipment. Unlike generic alternatives, this plate is designed specifically for the intensive operation of heavy-duty machines under constant mechanical stress, vibration, temperature fluctuations, and exposure to abrasive media. It provides rigid fixation, distributes loads, and protects adjacent components, which is critical to maintaining the high reliability and service life of the entire machine.
Materials and technical features
The key feature of the original Shantui 6623-21-4340 plate is the use of high-quality structural material and precision manufacturing technology. It is manufactured using high-alloy steel with added chromium, molybdenum, and other alloying elements, which undergoes a complex cycle of heat treatment (quenching, tempering) and mechanical processing. This material offers a unique combination of performance properties adapted to the operating conditions of heavy-duty equipment:
High hardness and compressive strength: Heat treatment gives the material a high HRC hardness, allowing it to withstand the enormous axial and impact loads experienced when a bulldozer travels over rough terrain or when working with soil. The plate does not deform or crush, even after prolonged use under maximum load.
Exceptional dimensional accuracy: All parts undergo strict dimensional inspection at the Shantui factory. The outside diameter, thickness, location and size of mounting holes, and parallelism of the working surfaces fully correspond to the original drawings with minimal tolerances. This ensures the plate fits perfectly in the mounting surface, ensuring a rigid, secure fit without play or distortion.
Abrasion Resistance: The material has high abrasion resistance, which is critical for applications requiring constant contact with metal surfaces and the presence of fine abrasive particles (sand, dirt). This prevents rapid plate wear and maintains the unit's geometry for a long time.
Corrosion protection: The plate surface has a special anti-corrosion coating or treatment that protects the metal from rust and corrosion, especially when used in high humidity conditions or in contact with water and chemical environments.
Scope of application
Plate 6623-21-4340 is a specialized support part designed for installation in critical systems of Shantui equipment:
Undercarriage: This is the primary application—securing and sealing joints in bearing assemblies, road wheels, and other rotating components of the undercarriage system. In these applications, the plate ensures a rigid hold of components, preventing them from shifting or playing when driving on uneven surfaces.
Transmission: Mounted in gearbox housings, transmissions, and cardan shafts, it distributes loads evenly across the entire mounting surface, protecting the shaft and housing from localized overheating and wear during torque transmission.
Hydraulic systems: Fixing pistons, cylinders and hydraulic blocks where absolute positioning rigidity is required to ensure efficient system operation under high pressure.
Working equipment: Fixing of hinges and levers of working equipment (blade, ripper, bucket), where high strength and resistance to impact loads are required.
This spare part is used both in the factory assembly of new equipment, and in scheduled and major repairs, replacing worn plates to restore the reliability of components.
Functional purpose
The primary function of the 6623-21-4340 plate is to ensure secure fixation and protection of the parts being joined. However, its role in the operation of the equipment is much broader:
Rigid fixation of components: The plate prevents relative movement and play between the shaft and the part installed on it (bearing, gear, flange), which is critical for the stable operation of mechanisms under any operating conditions.
Load distribution: It evenly distributes axial and radial loads over the entire contact area, protecting the shaft and housing from local overheating and premature wear.
Vibration Damping: The plate's close fit to surfaces compensates for minor vibrations that occur during engine and chassis operation, protecting adjacent components from fatigue and damage.
Anti-Misalignment: Prevents bearings, gears or other components from misaligning relative to each other, ensuring proper transmission and hydraulic operation.
Surface Protection: Prevents metal-to-metal contact between parts, reducing friction and wear, extending the life of shafts, flanges and other components.
Advantages over non-original analogues
Many equipment owners choose non-original plates due to their low price, but such parts have significant drawbacks that lead to high risks and additional costs:
Dimensional and Geometric Inaccuracies: Analogues often have variations in diameter, thickness and hole pattern, resulting in poor fit, play or excessive compression. This leads to rapid wear of the unit and failure of expensive components. The original Shantui 6623-21-4340 plate meets the specifications to ensure a perfect fit.
Low-quality materials: Non-original parts are often made of low-quality carbon steel without alloying or heat treatment. They wear out quickly, rust, and can even deform or break under load, creating a risk of failure during operation.
Lack of quality control: Analogs do not undergo rigorous factory testing, which often leads to hidden defects. Genuine Shantui parts come with quality certificates and an official warranty, confirming their reliability.
High risk of costly repairs: Using a non-original plate can lead to shaft misalignment, bearing wear, or hydraulic cylinder failure, the repair costs of which are hundreds of times higher than the price of the original part.
Installation and maintenance
Correct installation of the 6623-21-4340 plate directly affects its service life and the performance of the unit, so it is recommended to follow these steps:
Seat preparation: Thoroughly clean the shaft and component surfaces of any dirt, rust, old grease, and old seals. Inspect the surfaces for burrs, scratches, or deformations that could damage the new plate or cause a loose fit.
Inspecting the part: Before installation, inspect the plate for cracks, chips, deformations, or other damage. Ensure there is no corrosion on the working surfaces.
Installation: Carefully place the plate on the mounting location, making sure that the mounting holes are aligned and there are no distortions.
Tightening the fasteners: Tighten the bolts evenly, in a crisscross pattern, to the torque recommended in the Shantui repair manual. Do not overtighten the bolts to avoid deforming the plate or damaging adjacent components.
Inspection: After assembly, check the shaft for play and ease of rotation (if necessary). Ensure all parts are in place and cannot shift.
To ensure the continued functionality of the assembly, it is recommended to regularly inspect the condition of the plate during scheduled maintenance, promptly replace worn parts, and use only genuine Shantui spare parts.
Conclusion
The Shantui 6623-21-4340 plate is a small but critical component that determines the precision and reliability of the entire chassis and transmission system of heavy-duty equipment. Choosing a genuine part ensures the geometry of the components is maintained, protection from play and vibration is ensured, and the service life of all related components is extended. For companies operating Shantui equipment, using genuine plates is an investment in operational safety, reduced repair costs, and increased overall machine performance.
Exhibition cabinets
Getting to know the plant
The plant employs a team of highly qualified and experienced engineers who continuously innovate and improve its products. The company currently holds a number of independent intellectual property rights and patented technologies. Its construction equipment includes a wide range of excavators, loaders, cranes, bulldozers, and other machines. These products are distinguished by their high productivity, reliability, energy efficiency, and environmental friendliness, as well as the ability to adapt to challenging operating conditions in a variety of climates and environments worldwide.
Awards and qualificationsfication
frequently asked questions
1. Which countries do we export to?
Asia: Vietnam, India, Indonesia, Pakistan, Kazakhstan, Uzbekistan, etc.
Europe: Russia, Belarus, Ukraine, Lithuania, Saudi Arabia, etc.
South America: Brazil, Chile, Paraguay, Argentina, etc.
Africa: South Africa, Ethiopia, Libya, etc.
2.What payment terms can we accept?
Usually we can work on T/T, 30% TT before production and 70% TT before shipment
3.What logistics methods can we use for delivery?
1) For most of Europe, South America and Africa etc. countries, we can go by container or Roro via ocean freight.
2) For China's neighboring countries, such as Russia, Vietnam, Kazakhstan, Uzbekistan, etc., we can deliver by road or rail.
3) For light spare parts in urgent requirement, we can ship it by international courier service, such as DHL, TNT, EMS or other air freight.
4. How can you guarantee that you have delivered the goods to customers?
A: We will provide you with full delivery information for you confirmed.
5.What are our advantages compared with other manufacturers/factories?
1) Reliable quality: Carefully select reliable manufacturers to support spare parts such as engines, axles, transmissions, and many parts designed and produced by ourselves, always adopting the best materials.
2) Competitive price: Concentration of mechanized production in large quantities reduces production costs to ensure competitive price.
3) Service Team: Firstly, our sales managers are available 24/7, ready to answer your questions at any time. Secondly, our professional technical support team, with senior technicians, is ready to provide support to users and dealers. Most issues can be resolved within 24 hours.
4) Fast delivery: Generally, we can delivery within 10 working days in factory after receiving the advance payment from customers.
6. How can you provide after-sales service to customers?
A: We will reply you at the first time and help you solve the problems within 24 hours. If we really need your local, we
We will send your professional person to your locality to help you solve the problems without any hesitation, supply you with all-round
