Cummins cylinder heads for the NT855, KT19, and KT38 models are designed to deliver reliable, heavy-duty performance in demanding applications. These components combine durability, efficiency, and ease of maintenance, making them ideal for industrial, marine, and power generation uses.
Key Features and Engine-Specific Highlights
Cummins NT855 (Model 3052221)
The Cummins NT855 engine is well-regarded for its reliability and consistent performance, particularly in industrial machinery applications. Here are some of its key features:
Power Output: The NT855 model delivers a prime power of 180 kW (241 HP) at 1500 RPM and a standby power of 198 kW (265 HP) at the same RPM, making it suitable for various industrial applications.
Durability: Engineered for continuous-duty operation, the NT855 features a rugged engine block designed to withstand demanding conditions. Its design includes metric O-ring seals and edge-molded gaskets to minimize fluid leaks.
Fuel Efficiency: The engine utilizes a dependable Cummins PT fuel system that optimizes combustion for enhanced fuel economy while reducing emissions and smoke.
Cooling System: It can be equipped with either a seawater pump and heat exchanger cooling system or an optional radiator and fan cooling system, ensuring effective thermal management under various operating conditions.
Maintenance Features: The NT855 is designed with extended service intervals in mind, featuring spin-on oil filters and an optional pre-lubrication system to protect against dry starts.
Compliance: This engine complies with IMO emissions regulations, certified by the China Classification Society (CCS), making it suitable for marine applications as well.
Cummins KT19 (Model 3418529)
The Cummins KT19 engine is built for demanding applications across various sectors, including marine, construction, and heavy-duty equipment. Key highlights include:
Power Range: The KT19 offers a power output ranging from 480 HP (358 kW) to 700 HP (522 kW) depending on the specific model configuration. This versatility makes it ideal for high-performance requirements.
Robust Construction: Featuring a six-cylinder, in-line configuration with a displacement of 19 liters, the KT19 is designed for durability. It incorporates replaceable wet liners and advanced piston cooling technology to enhance longevity under heavy loads.
Turbocharging and Aftercooling: The engine is equipped with a turbocharger and aftercooler system that allows for cooler, denser intake air, improving combustion efficiency and reducing internal stresses.
Fuel System: Utilizing the Cummins PT self-adjusting fuel system, the KT19 ensures precise fueling with improved cold-starting capabilities and reduced fuel consumption.
Wide Application Range: This engine is utilized in various applications, including marine vessels, construction machinery, and industrial equipment, showcasing its adaptability to different operational demands.
Cummins KT38 (Model 3096682)
The Cummins KT38 engine is designed to deliver efficiency and strength, particularly in large engines operating in tough environments. Here are its significant features:
High Power Output: The KT38 can produce between 750 HP (559 kW) to 1500 HP (1119 kW), making it suitable for high-demand applications such as commercial marine operations.
Advanced Cooling Systems: It employs a two-pump cooling system that separates the engine jacket cooling from after-cooler cooling. This design enhances temperature control and reduces maintenance needs by allowing independent operation of each system.
Durability Features: Constructed with replaceable wet cylinder liners and gallery-cooled Pistons, the KT38 is built to endure harsh conditions while maintaining optimal performance levels.
Fuel Efficiency Technologies: The engine integrates advanced technologies like Step Timing Control (STC) for smooth acceleration under load and improved fuel efficiency across varying operational conditions.
Compliance Certifications: The KT38 meets IMO Tier II emissions regulations, ensuring it adheres to environmental standards required in commercial marine environments.
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Performance and Durability
Cummins cylinder heads for NT855, KT19, and KT38 engines support high power output and extended service life. They are engineered for strength and optimized for consistent, trouble-free performance across a variety of heavy-duty applications.
Key Specifications
- NT855:
- Power Output: Ranges from 280 to 480 hp (208.8 to 357.94 kW).
- Engine Type: Turbocharged with a Cummins PT fuel system that enhances fuel economy and reduces emissions.
- KT19:
- Power Output: Varies between 400 to 700 hp, depending on the specific configuration.
- Features: Equipped with advanced cooling systems and robust construction to handle demanding applications.
- KT38:
- Power Output: Capable of delivering between 700 to 1,000 hp, based on the application requirements.
- Design: Incorporates a jacket water aftercooling system that improves combustion efficiency and reduces engine stress.
Proven Durability
Cummins cylinder heads are built to withstand the rigors of heavy-duty operations. Testing has demonstrated an average operational lifespan of 10,000 to 20,000 hours, depending on maintenance practices. Additionally, utilizing high-quality replacement parts can lead to:
Reduced Unplanned Downtime: Up to a 25% reduction in unplanned downtime is achievable when using genuine Cummins parts, which are designed for optimal compatibility and performance.
Enhanced Reliability: The robust design of these cylinder heads ensures they can handle extreme operating conditions, contributing to the overall reliability of the engine.
Genuine Parts and Maintenance
Using genuine Cummins parts is crucial for maintaining engine performance and longevity. Key benefits include:
Optimal Compatibility: Genuine parts are manufactured to meet strict specifications, ensuring they fit perfectly within the engine assembly.
Prolonged Service Life: High-quality materials and advanced engineering contribute to a longer lifespan for both the cylinder heads and the overall engine.
Improved Performance: Regular maintenance with genuine parts not only enhances engine performance but also helps maintain fuel efficiency and reduce emissions.
Cost and Value Analysis of Cummins Cylinder Heads
When considering the investment in cylinder heads for Cummins engines, understanding both the pricing for new parts and the potential savings from remanufactured components is essential. Below is a detailed analysis of costs associated with the NT855, KT19, and KT38 cylinder heads, along with the advantages of opting for remanufactured parts.
Pricing for New Cylinder Heads
- NT855: The price range for a new cylinder head is approximately $3,500 to $5,000.
- KT19: New cylinder heads for this model typically cost between $5,500 and $7,000.
- KT38: The pricing for new cylinder heads can range from $7,500 to $9,000.
Savings with Remanufactured Parts
Opting for remanufactured cylinder heads can significantly reduce costs while still providing high-quality components. The savings associated with remanufactured parts are as follows:
- NT855: Remanufactured cylinder heads can be acquired for about $2,000 to $3,500, resulting in substantial savings compared to new parts.
- KT19: The cost of remanufactured heads generally falls between $3,000 and $5,000, offering a considerable discount over new options.
- KT38: For remanufactured cylinder heads, prices typically range from $4,000 to $6,500, again providing significant savings.
Value of Remanufactured Components
Choosing remanufactured components can yield savings of 40% to 60% compared to purchasing new parts. This option allows engine operators to maintain OEM-grade quality without the higher costs associated with brand-new components.
Advantages of Remanufactured Parts:
Cost Efficiency: Significant reductions in upfront costs make it easier for businesses to manage budgets while ensuring engine reliability.
OEM Quality Assurance: Remanufactured parts are often restored to meet or exceed OEM specifications, ensuring that they perform effectively in demanding applications.
Sustainability: Utilizing remanufactured components contributes to environmental sustainability by reducing waste and promoting the reuse of materials.
Advanced Cylinder Head Design of Cummins Engines
Cummins cylinder heads are engineered to meet the rigorous demands of heavy-duty environments, incorporating innovative design features that enhance performance, durability, and maintenance efficiency. Below are the key aspects of their advanced design:
Durable Materials
Alloy Cast Iron Construction: Cummins cylinder heads are primarily made from alloy cast iron, which provides exceptional wear resistance and strength. This material choice ensures that the heads can withstand high temperatures and pressures typical in heavy-duty applications, contributing to a longer service life.
Modular Design
Two-Cylinder Support: Each cylinder head is designed to support two cylinders, which simplifies maintenance and part replacement. This modularity allows for easier access during repairs and reduces the complexity of engine assembly.
Integrated Fuel System
Built-in Fuel Supply and Return Lines: The cylinder heads feature integrated fuel lines that ensure precise fuel delivery to the combustion chambers. This design enhances fuel efficiency and optimizes engine performance by maintaining consistent fuel pressure and flow.
Replaceable Components
- Valve Seat Inserts: The cylinder heads are equipped with corrosion-resistant valve seat inserts that can be easily replaced when worn. This feature minimizes downtime during maintenance and helps maintain optimal engine performance.
- Valve Guides and Crosshead Guides: Designed for quick replacement, these guides facilitate straightforward servicing. Their replaceable nature reduces the need for complete head replacements, further enhancing maintenance efficiency.
Cooling and Heat Management
- Gallery-Cooled Pistons: The use of gallery-cooled pistons enhances heat dissipation within the engine. This feature is crucial for maintaining optimal operating temperatures, especially during prolonged use in demanding conditions.
- Replaceable Wet Liners: The cylinder heads incorporate replaceable wet liners that allow for efficient heat transfer away from the combustion chamber. This design not only improves cooling but also facilitates easier repairs without the need for extensive engine disassembly.
Compatibility and Part Numbers
Cummins cylinder heads are available in various part numbers to meet specific needs:
- NT855 Cylinder Heads: 3418678, 3418684, 3411805, 4296715-10
- KT19 Cylinder Heads: 3021692, 3081064, 3646321-10, 3646322-10
- KT38 Cylinder Heads: 3037214, 3009089, 3176619, 3640318-10
These components are widely available through verified distributors, ensuring reliability and performance consistency.
Cummins cylinder heads for NT855, KT19, and KT38 engines are engineered to excel in demanding environments. By using genuine parts and adhering to maintenance best practices, users can enjoy enhanced engine reliability, extended service life, and cost savings.
For more details or to find the right replacement parts, visit Volgen Power’s website.