The Cummins 855 head is a critical component in the world of heavy-duty engines, particularly in China’s booming transportation and construction sectors. Understanding its design, functionality, and maintenance is essential for mechanics, engineers, and enthusiasts alike. This guide delves into the intricacies of the Cummins 855 head, offering insights that can enhance performance and longevity.
Readers can expect to learn about the technical specifications, common issues, and best practices for maintaining the Cummins 855 head. We will explore the manufacturing processes in China, highlighting local innovations and adaptations. Additionally, the guide will provide troubleshooting tips and performance enhancement strategies tailored to the unique demands of the Chinese market.
By the end of this guide, readers will have a comprehensive understanding of the Cummins 855 head, empowering them to make informed decisions regarding repairs, upgrades, and overall engine management. Whether you are a seasoned professional or a curious newcomer, this resource will equip you with valuable knowledge to navigate the complexities of this vital engine component.
Comprehensive Guide to Cummins 855 Cylinder Heads
The Cummins 855 engine is renowned for its durability and performance, making it a popular choice in various heavy-duty applications. One of the critical components of this engine is the cylinder head, which plays a vital role in the engine’s overall efficiency and power output. This guide will delve into the technical features, types, and essential insights regarding the Cummins 855 cylinder head, providing a thorough understanding for potential buyers and users.
Technical Features of Cummins 855 Cylinder Heads
The cylinder head of the Cummins 855 engine is designed to withstand high temperatures and pressures, ensuring optimal performance. Below is a comparison table highlighting the key technical features of the Cummins 855 cylinder heads available from various suppliers.
| Feature | Cummins NT 855 Cylinder Head | Cummins 855 Loaded Cylinder Head | Cummins NTA855-GA Cylinder Head |
|---|---|---|---|
| Part Number | 4915442 | 3007717 | AR 9759 |
| Material | Gray cast iron | Enhanced nickel content | Genuine Cummins parts |
| Number of Cylinders | 6 | 6 | 6 |
| Displacement | 14L | 14L | 14L |
| Application | Bulldozer | Heavy-duty trucks | Various industrial applications |
| Warranty | 6 months | 1 year | 12 months |
| Processing Technology | High precision machining | Advanced manufacturing process | OEM standards |
| Cooling System | Standard | Enlarged coolant passages | Standard |
| Valve Type | Standard valves | Inconel exhaust valves | Standard valves |
Types of Cummins 855 Cylinder Heads
When selecting a cylinder head for the Cummins 855 engine, it is essential to understand the different types available. Each type has unique features and applications, catering to various needs. The following table summarizes the differences between the types of cylinder heads.
| Type | Description | Ideal Use |
|---|---|---|
| Standard Cylinder Head | Basic design with standard valves and materials | General applications |
| Loaded Cylinder Head | Enhanced design with upgraded materials and valves | High-performance applications |
| OEM Cylinder Head | Original equipment manufacturer specifications | Replacement for OEM parts |
| Aftermarket Cylinder Head | Third-party manufactured with varying specifications | Cost-effective alternatives |
Insights into Cummins 855 Cylinder Heads
The Cummins 855 cylinder head is a critical component that directly impacts engine performance. It is responsible for sealing the combustion chamber, allowing for efficient fuel combustion. The design of the cylinder head must accommodate high temperatures and pressures, which is why materials like gray cast iron and aluminum alloys are commonly used.
Importance of Material Selection
Material selection is crucial for the longevity and performance of the cylinder head. Gray cast iron is often used due to its excellent thermal conductivity and strength. In contrast, aluminum alloys are favored for their lightweight properties and ability to improve the engine’s compression ratio. Suppliers like www.j-winning.com emphasize the importance of using high-quality materials to ensure durability.
Processing Technology
The processing technology used in manufacturing cylinder heads significantly affects their performance. High-precision machining is essential to maintain the required tolerances and ensure a proper fit. Advanced manufacturing processes, such as those used by atldiesel.com, enhance the quality and reliability of the cylinder heads, making them suitable for demanding applications.
Cooling System Design
The cooling system integrated into the cylinder head is vital for maintaining optimal engine temperatures. Enhanced designs, such as those found in loaded cylinder heads, feature enlarged coolant passages that improve heat dissipation. This is particularly important in high-performance applications where engine temperatures can rise significantly.
Valve Design and Functionality
The type of valves used in the cylinder head can greatly influence engine performance. Standard valves may suffice for general applications, but upgraded options, such as inconel valves found in loaded cylinder heads, provide better heat resistance and durability. This is crucial for engines operating under high stress, as it reduces the risk of valve failure.
Conclusion
The Cummins 855 cylinder head is a vital component that significantly impacts engine performance and reliability. Understanding the technical features, types, and material selections can help users make informed decisions when purchasing or replacing cylinder heads. Whether opting for a standard, loaded, or OEM cylinder head, ensuring quality and compatibility with the engine is paramount.
For those looking to purchase Cummins 855 cylinder heads, suppliers like www.cumminsasia.com, www.j-winning.com, and www.cummins-spareparts.com offer a range of options to meet various needs.
FAQs
1. What is the warranty period for Cummins 855 cylinder heads?
The warranty period varies by supplier, with some offering up to 1 year for loaded cylinder heads and 6 months for standard options.
2. Can I customize my Cummins 855 cylinder head?
Yes, many suppliers, including atldiesel.com, accept OEM and ODM customization requests.
3. What materials are used in Cummins 855 cylinder heads?
Common materials include gray cast iron and aluminum alloys, chosen for their thermal conductivity and strength.
4. How do I know which type of cylinder head to choose?
Consider your engine’s application and performance requirements. Standard heads are suitable for general use, while loaded heads are better for high-performance needs.
5. Where can I purchase Cummins 855 cylinder heads?
You can find a variety of options at suppliers like www.cumminsasia.com, www.j-winning.com, and atldiesel.com.