Introducing The Cummins KTA Engine

The KTA Cummins engine is one of the most powerful and durable diesel engines available today. Known for its ability to deliver immense power and torque, the KTA series is used in a wide range of heavy-duty applications, including marine vessels, mining equipment, industrial machinery, and large generators. With its robust construction and reputation for reliability, the KTA Cummins engine is a top choice for operators who need maximum performance in demanding environments.

In this comprehensive guide, we’ll explore the specs, features, and applications of the KTA Cummins engine, as well as offer maintenance tips to ensure that it operates at peak efficiency.

Disclaimer: For best results and detailed instructions when working on your KTA Cummins engine, always consult the OEM service manual for proper procedures and guidelines.

What is the KTA Cummins Engine?

The KTA Cummins engine is part of the KT-series, which is a range of high-horsepower, turbocharged diesel engines designed for heavy-duty use. The “KTA” in its name stands for K-series, Turbocharged, Aftercooled, indicating its advanced design features that optimize power output and cooling efficiency.

KTA engines are known for their high displacement, reliability, and ability to perform in extreme environments, making them popular for marine propulsion, mining equipment, power generation, and off-highway trucks.

In the video below Imperial Diesel Service, LLC  overhauls a Cummins KTA19 (the smallest engine in the KTA series) inside of a tugboat.

 

KTA Cummins Engine Specifications

Here are the key specifications for the KTA Cummins engine:

• Engine Configuration: Inline 6-cylinder (in some models, V12 configurations are also available)
• Displacement: 19 liters (1150 cubic inches)
• Bore x Stroke: 6.25 in x 6.25 in (159 mm x 159 mm)
• Compression Ratio: 13.9:1
• Aspiration: Turbocharged and Aftercooled (KTA)
• Horsepower Range: 600-1200 HP (depending on the model and tuning)
• Torque: 1,700-3,800 lb-ft
• Weight: Approximately 5,000 lbs (2,270 kg)
• Fuel System: Mechanical direct fuel injection or PT fuel system (depending on the model)
• Fuel Type: Diesel
• Oil Capacity: 40-50 quarts (37-47 liters)
• Cooling System Capacity: 98-100 quarts (93-95 liters)
• Emissions Standard: Varies depending on the application and model; modern models can meet EPA Tier 2 or Tier 3 standards for off-highway applications.

The KTA Cummins engine stands out due to its high displacement and ability to deliver substantial horsepower and torque, making it ideal for applications where heavy loads and continuous operation are required.

Disclaimer: For precise and detailed specifications of your Cummins KTA engine, always refer to the OEM service manual specific to your engine model.

Key Features of the KTA Cummins Engine

1. High Horsepower and Torque Output

The KTA Cummins engine is designed to deliver massive horsepower and torque, making it suitable for applications requiring immense power. The engine’s torque output allows it to handle extremely heavy loads, making it ideal for mining, marine, and industrial equipment.

The KTA engine’s horsepower range of 600 to 1200 HP and torque output of 1,700 to 3,800 lb-ft are essential in applications where continuous power is needed to move massive machinery or vessels.

2. Turbocharging and Aftercooling

The turbocharging system on the KTA engine forces additional air into the engine’s cylinders, allowing for more fuel to be burned and significantly increasing power output. The aftercooler (also known as an intercooler) cools the air after it’s been compressed by the turbocharger, which increases the density of the air and results in even more efficient combustion.

This combination of turbocharging and aftercooling ensures that the KTA engine maintains peak power and performance even in the most demanding conditions.

3. Robust Construction

The KTA Cummins engine is built with heavy-duty components, including a cast-iron engine block, forged steel crankshaft, and hardened steel cylinder liners. This robust construction allows the engine to withstand the rigors of heavy-duty use in extreme environments, such as mines or offshore platforms, where durability is crucial.

4. Mechanical Fuel Injection System

The mechanical direct fuel injection system used in the KTA series ensures reliable performance and easier maintenance compared to more complex electronic fuel injection systems. This design allows for better control over fuel delivery, resulting in consistent performance in all operating conditions. In some models, the PT fuel system (pressure-time) is also available, which further optimizes fuel delivery and efficiency.

5. Long Engine Life

The KTA Cummins engine is designed for extended service intervals and long engine life, often exceeding 20,000 hours of operation before major overhauls are required, provided that regular maintenance is performed. This long lifespan adds to the overall value of the engine, particularly in industries where equipment downtime is costly.

Parts Catalog for Cummins KTA19

At Diesel Pro Power, we provide a comprehensive range of aftermarket parts for the Cummins KTA19 engine, designed to enhance performance, reliability, and longevity. Our catalog includes:

• Overhaul Kits for Cummins KTA19: Complete kits to refresh your engine, restoring power and efficiency and extending its lifespan.
• Fresh Water Pumps for Cummins KTA19: These pumps keep your engine cool by circulating fresh water through the cooling system, crucial for long hours of operation.
• Raw Water Pumps for Cummins KTA19: Essential for marine applications, these pumps draw seawater into the system to regulate engine temperature, preventing thermal damage.
• Cylinder Heads for Cummins KTA19: Engineered to handle high pressures, these cylinder heads support efficient combustion and reliable power output.
• Fuel Pumps for Cummins KTA19: Fuel pumps ensure optimal combustion by delivering fuel at the correct pressure, enhancing engine smoothness and fuel economy.
• Aftercooler For Cummins KTA19: Aftercooler is used to cool the compressed air before it enters the engine’s combustion chamber, enhancing combustion efficiency and improving overall engine performance by reducing the temperature of the air intake.
• Injectors for Cummins KTA19: Precision-engineered injectors ensure fuel is delivered correctly to maximize power, efficiency, and reduce emissions.
• Oil Coolers & Oil Lubricating Pump for Cummins KTA19: These components help maintain oil viscosity by cooling the oil and pumping it through the engine for lubrication.
• Turbos for Cummins KTA19: Designed to boost airflow into the combustion chamber, turbos enhance power and efficiency, ideal for heavy-duty applications.
• Crankshafts for Cummins KTA19: Our crankshafts convert engine power into rotational motion, ensuring reliable performance under demanding conditions.
• Camshafts for Cummins KTA19: These control the engine’s valve timing, crucial for efficient combustion and maintaining optimal performance.
• Gaskets for Cummins KTA19: High-quality gaskets prevent leaks, maintain compression, and ensure overall engine efficiency and durability.

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Parts Catalog for Cummins KTA38 Engine

Diesel Pro Power carries a complete selection of aftermarket parts specifically for the Cummins KTA38 engine, supporting both performance and longevity in various applications:

• Overhaul Kits for Cummins KTA38: Designed to restore engine power and efficiency, these kits include essential components to revitalize your engine.
• Fresh Water Pumps for Cummins KTA38: Freshwater pumps help regulate temperature by circulating cool water, ensuring optimal performance during extended operations.
• Raw Water Pumps for Cummins KTA38: Vital for marine use, these pumps bring seawater into the cooling system to prevent overheating and protect engine components.
• Cylinder Heads for Cummins KTA38: Built to endure high pressure, these cylinder heads promote efficient combustion and consistent power.
• Fuel Pumps for Cummins KTA38: Delivering fuel at the right pressure, these pumps ensure smooth operation and optimal combustion, enhancing engine performance.
• Injectors for Cummins KTA38: Our injectors accurately deliver fuel to the combustion chamber, maximizing power output and fuel efficiency.
• Aftercooler For Cummins KTA38: The KTA38 Aftercooler is used to cool the compressed air before it enters the engine’s combustion chamber, enhancing combustion efficiency and improving overall engine performance by reducing the temperature of the air intake.
• Oil Coolers for Cummins KTA38: These components cool the engine oil, maintaining proper viscosity and protecting critical engine parts from heat damage.
• Turbos for Cummins KTA38: Our turbos improve engine efficiency by increasing airflow into the combustion chamber, ideal for demanding marine and industrial tasks.
• Crankshafts for Cummins KTA38: High-quality crankshafts provide smooth and reliable rotational power, essential for the rigorous demands of marine applications.
• Camshafts for Cummins KTA38: Camshafts control valve timing, ensuring efficient combustion and supporting optimal engine performance and fuel economy.
• Gaskets for Cummins KTA38: Reliable gaskets seal engine parts, preventing leaks and maintaining compression for efficient operation.

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Parts Catalog For The Cummins KTA50 Engine

• Overhaul Kits for Cummins KTA50: Comprehensive kits that include essential components to refresh your engine and ensure it continues to perform at peak levels, restoring power and efficiency after extended use.
• Fresh Water Pumps for Cummins KTA50: These pumps keep your engine’s internal temperature regulated by circulating fresh water through the cooling system, preventing overheating during long hours of operation.
• Raw Water Pumps for Cummins KTA50: Raw water pumps draw in seawater to cool the engine, an essential function in marine applications that keeps the engine running at the correct temperature and protects it from thermal damage.
• Cylinder Heads for Cummins KTA50: Engineered to withstand the high pressures within the engine, cylinder heads play a critical role in maintaining engine efficiency and compression, ensuring reliable power output.
• Fuel Pumps for Cummins KTA50: Delivering fuel at the right pressure, fuel pumps are crucial for optimal combustion and efficient engine performance, ensuring your engine runs smoothly and economically.
• Injectors for Cummins KTA50: These precision components ensure the right amount of fuel is delivered to the combustion chamber, optimizing power output and fuel efficiency while reducing emissions.
• Oil Coolers for Cummins KTA50: By cooling the engine oil, these components help maintain oil viscosity and protect critical engine parts from overheating, thereby extending engine life.
• Turbos for Cummins KTA50: Turbos increase airflow into the combustion chamber, providing a power boost and improving engine efficiency, especially important for heavy-duty applications that demand high performance.
• Crankshafts for Cummins KTA50: The crankshaft converts the engine’s power into rotational motion, driving the propeller. High-quality crankshafts ensure smooth and reliable engine operation, even under heavy loads.
• Camshafts for Cummins KTA50: These components control the timing of the engine valves, crucial for efficient combustion and maintaining engine performance, fuel economy, and power.
• Gaskets for Cummins KTA50: Gaskets provide a reliable seal between engine parts, preventing leaks and maintaining compression. High-quality gaskets ensure durability and help maintain engine efficiency and performance.

For quality aftermarket parts and expert support, trust Diesel Pro Power to keep your Cummins KTA50 engine running at peak performance.

Common Applications of the KTA Cummins Engine

Due to its impressive power and durability, the KTA Cummins engine is widely used in a variety of industries. Here are some of the most common applications:

1. Marine Propulsion

The KTA Cummins engine is frequently used in marine vessels, including cargo ships, tugboats, and offshore support vessels, where its high torque and continuous power output are essential for navigating harsh maritime environments. Its reliability in extreme conditions makes it a favorite in commercial shipping and offshore operations.

2. Mining Equipment

In the mining industry, the KTA Cummins engine powers some of the largest equipment, including haul trucks, excavators, and draglines. The engine’s high horsepower and torque allow these machines to carry massive loads and perform continuous heavy lifting, making it indispensable in large-scale mining operations.

3. Power Generation

The KTA Cummins engine is also commonly used in industrial generators for power generation in remote areas or during emergency situations. Its ability to run continuously for long periods without losing efficiency makes it an ideal engine for generators that need to supply consistent power under demanding conditions.

4. Construction and Industrial Equipment

In construction and industrial settings, the KTA engine powers cranes, bulldozers, drilling rigs, and other large-scale machinery. Its ability to generate high power and torque makes it the engine of choice for equipment used in heavy-duty construction projects and industrial operations.

5. Off-Highway Trucks

The KTA Cummins engine is often found in off-highway trucks that operate in rugged environments, such as mines or large construction sites. These trucks require engines with high torque and horsepower to carry heavy loads over challenging terrains, and the KTA engine excels in such applications.

Benefits of Using the KTA Cummins Engine

1. Unmatched Power

The KTA Cummins engine delivers some of the highest horsepower and torque available in the diesel engine market, making it ideal for applications that require immense power, such as marine vessels, mining, and heavy-duty industrial equipment.

2. Durability in Harsh Conditions

Built with heavy-duty components and designed for extreme environments, the KTA Cummins engine is known for its durability. It performs reliably in harsh conditions, including high heat, humidity, and dust, which makes it suitable for industries like mining and offshore drilling.

3. Long Lifespan and Low Maintenance Costs

With a lifespan that can exceed 20,000 hours of operation, the KTA engine requires fewer overhauls and less frequent maintenance compared to other engines in its class. This long operational life reduces downtime and maintenance costs, making it a cost-effective choice for long-term use.

4. Fuel Efficiency

Despite its large size and high power output, the KTA Cummins engine is fuel-efficient for its class. The turbochargingand aftercooling systems ensure that fuel is burned efficiently, providing more power with less fuel consumption, which is crucial in industries where fuel costs can significantly impact operational expenses.

Maintenance Tips for the KTA Cummins Engine

To keep your KTA Cummins engine operating at its best, regular maintenance is essential. Here are some maintenance tips to ensure your engine continues to deliver peak performance:

1. Regular Oil Changes

Changing the engine oil and oil filter regularly is crucial for maintaining the health of your KTA engine. Cummins recommends oil changes every 250 to 500 hours of operation, depending on the application. Always use Cummins-approved oil for optimal results.

2. Cooling System Maintenance

The cooling system is critical in managing the engine’s temperature, especially in high-power applications. Regularly check the coolant level, inspect the radiator, and ensure that the aftercooler is clean and functioning properly to avoid overheating.

3. Fuel System Monitoring

Since the KTA Cummins engine relies on a mechanical fuel injection system, it’s important to keep the fuel systemclean and free of contaminants. Regularly replace fuel filters and inspect fuel lines for leaks or damage.

4. Air Filter Replacement

The air filter prevents dirt and debris from entering the engine’s combustion chambers, which could cause wear or damage. Replace the air filter as needed, particularly in dusty environments, to ensure the engine runs smoothly.

Disclaimer: Always refer to the OEM service manual for specific maintenance schedules and procedures to ensure proper care of your Cummins KTA engine.

Conclusion

The KTA Cummins engine is a powerhouse designed for heavy-duty applications in industries where reliability, durability, and immense power are critical. Its turbocharged and aftercooled design, coupled with its high torque and horsepower, make it ideal for use in marine vessels, mining equipment, industrial power generation, and off-highway trucks.

For high-quality Cummins KTA parts and expert support, visit www.dieselpro.com. We offer fast shipping and a wide range of products to help keep your KTA engine performing at its best.