Details
Cummins KTA19-DM448 Marine Auxiliary Engine
Securing reliable electrical power at sea requires an engine built specifically for continuous, heavy-duty operation. The genuine Cummins KTA19-DM448 serves as a cornerstone in marine power generation. Manufactured by the Chongqing Cummins Engine Company, this original CCEC KTA19-DM448 delivers a continuous rated output of 448kW (600HP) at a steady 1500RPM.
As a dedicated KTA19-DM448 engine supplier, HekoPower provides this robust 19L marine diesel engine to power critical shipboard systems. Unlike propulsion models, the KTA19-DM448 marine generator engine is engineered strictly for constant-speed auxiliary applications. It features a proven 159 x 159 mm bore stroke design that maximizes displacement efficiency, ensuring stable voltage and frequency under fluctuating marine electrical loads.
Tech Specs of Cummins KTA19-DM448
General Engine Data
Engine Model: Cummins KTA19-DM448
Type: 6 Cylinders in Line
Displacement: 19 L
Bore * Stroke: 159 * 159
Net Weight (with flywheel & alternator): 2005 Kg
Overall Dimension: 1666mm*874mm*1377mm
Engine Configuration No.: D193097MX02
Key Performance Data
Rated Power/Standby Power: 448 kW/600HP, 504 kW/675HP
Rated Speed: 1500 rpm
Low Idle Speed: 675-775 rpm
Fuel Consumption (Running Speed): 282 g/kW.hr
Torque/Rated Speed: 2852 N.m @ 1500 rpm
More Technical Data
Certification: CCS/IMO Certificates
Aspiration: Turbocharged/Aftercooled
Compression Radio: 14.5:1
Fuel System: Cummins Pressure Time (PT Pump)
Starting System: Electrical starting motor (24V)
Cooling Method: Water cooling
Cooling Method: Sea water pump, Heat exchanger, Wet exhaust manifold
Real-World Marine Application Scenarios
Understanding KTA19-DM448 marine genset sizing is critical for procurement managers and marine architects. A 448kW Cummins marine auxiliary generator engine is rarely used for primary propulsion; instead, it operates as the electrical heart of commercial vessels.
A primary application for the Cummins KTA19-DM448 448kW 600HP marine auxiliary engine is aboard heavy-duty tugboats and offshore support vessels. In these environments, winch operations, deck cranes, and dynamic positioning systems demand massive, sudden electrical draws. The KTA19-DM448 torque characteristics are specifically tuned to handle these block load impacts without stalling the generator end.
Large dredgers and bulk cargo ships also utilize the Cummins K19-DM series marine generator set engine. On a dredger, the continuous operation of heavy slurry pumps requires an auxiliary engine that can run seamlessly for weeks. Because the KTA19-DM448 19L marine diesel engine operates at a conservative 1500RPM, it minimizes internal component wear during these prolonged deployments. The engine provides a 504kW overload power rating (equivalent to 675HP standby/overload), giving vessel operators a vital safety margin during extreme weather conditions or emergency load spikes.
In-Depth Technical Comparisons
KTA19-DM448 vs KTA19-DM403
When selecting a marine generator set engine, buyers frequently compare the KTA19-DM448 vs KTA19-DM403. Both engines share the exact same 19-liter block and 159 x 159 mm bore and stroke. However, the DM403 is governed to a lower 403kW continuous output. The KTA19-DM448 utilizes advanced calibration in its PT pump fuel system and a modified air handling setup to safely extract an additional 45kW of power. For vessels with high-capacity refrigerated cargo containers or heavy deck machinery, the DM448 prevents the need to step up to a much larger and heavier V-block engine.
KTA19-DM448 vs KTA19-DM392
Analyzing the KTA19-DM448 vs KTA19-DM392 reveals a significant jump in capability. The DM392 is designed for lighter auxiliary loads, often found on smaller passenger ferries or coastal fishing boats. Upgrading to the KTA19-DM448 complete marine engine package provides marine engineers with a substantial increase in prime power while maintaining identical engine mount footprints and basic KTA19-DM448 dimensions and weight. This makes the 448kW model a perfect candidate for vessel repowering projects where electrical demands have increased over the ship's lifespan.
KTA19-DM448 vs KTA19-DM463 and DM507
At the upper end of the series, comparing the KTA19-DM448 vs KTA19-DM463 or the KTA19-DM507 involves balancing power density against thermal longevity. The DM507 pushes the inline-six 19L architecture to its upper limits for marine auxiliary use. While the DM507 offers higher output, the Cummins KTA19-DM448 1500RPM marine generator engine operates with significantly lower internal cylinder pressures and exhaust gas temperatures. This conservative tuning extends the intervals between major top-end overhauls, making the 448kW rating the sweet spot for operators prioritizing maximum engine lifespan over absolute maximum power.
Maintenance and Replacement Tips
Maintaining optimal KTA19-DM448 fuel consumption at 1500 RPM relies entirely on the health of the fuel delivery system. The Cummins PT fuel pump marine engine design is legendary for its mechanical simplicity and durability, but it requires precise calibration. Operators should strictly follow the KTA19-DM448 service manual and parts catalog regarding fuel filter replacement intervals to protect the PT pump from water ingress and particulate damage.
When facing a major overhaul, vessel managers must decide between rebuilding in the hull or sourcing a KTA19-DM448 replacement marine engine. Due to the high labor costs of in-hull machining, procuring a genuine KTA19-DM448 complete engine assembly is often more cost-effective. HekoPower operates as a comprehensive Cummins KTA19-DM448 wholesale supplier, providing fully assembled replacement engines that minimize drydock time.
For routine servicing, always insist on genuine KTA19-DM448 spare parts. Using aftermarket injectors or turbocharger cartridges will negatively impact the KTA19-DM448 fuel system efficiency, leading to increased emissions and decreased load acceptance.
Overcoming Common Procurement Misconceptions
A prevalent misconception in the maritime industry is that any industrial KTA19 engine can be adapted for marine auxiliary use. This is false. A genuine CCEC KTA19-DM448 marine auxiliary diesel engine features specialized marine-grade cooling systems, water-cooled exhaust manifolds, and a robust 24V starting system heavily insulated against corrosive salt air.
Furthermore, industrial engines lack the necessary regulatory documentation. The KTA19-DM448 CCS IMO marine engine is certified to meet strict maritime emissions and safety standards. Attempting to install a non-marine configured engine will result in failed vessel inspections. HekoPower strictly supplies the Cummins KTA19-DM448 with CCS/IMO certificates to ensure full compliance with MARPOL regulations.
Exploring the CCEC Cummins K19-DM Marine Auxiliary Family
While the 448kW configuration serves as the backbone for heavy-duty marine generator sets, different vessel electrical loads require specific power nodes. Running an engine chronically underloaded is just as detrimental as overloading it. To ensure your ship's auxiliary power aligns perfectly with your operational demands, our K19-DM lineup covers a broader spectrum of engine ratings.
Explore our full range of Cummins Marine Engines for various vessel sizes. Cummins K19-DM Series, Marine Auxilliary Diesel Engines for commercial and recreational applications, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes KTA19-DM336, KTA19-DM392, KTA19-DM403, KTA19-DM448, KTA19-DM463, KTA19-DM507. All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
Frequently Asked Questions
What determines the KTA19-DM448 engine price and lead time?
The genuine CCEC Cummins KTA19-DM448 price fluctuates based on required class society certifications (such as CCS, ABS, or BV) and specific accessory configurations like custom instrument panels or dual-wall fuel lines. As an established KTA19-DM448 engine supplier, HekoPower typically maintains a lead time of around 15 business days, though this can vary based on factory production schedules at the Chongqing plant.
Does the engine include the KTA19-DM448 spare parts and PT pump?
When you purchase the KTA19-DM448 engine assembly, it comes fully dressed from the CCEC factory. This includes the genuine Cummins PT fuel pump, turbocharger, marine-grade heat exchanger, and the standard 24V starting system. Fast-moving spare parts for initial maintenance can be packaged with your order upon request.
Is the original Cummins KTA19-DM448 for sale compliant with international shipping regulations?
Yes. The CCEC 19L marine generator engine 448kW configuration is engineered to meet global maritime standards. It is a Cummins marine generator IMO compliant unit, meaning it adheres to the stringent nitrogen oxide (NOx) emission limits required for international waters.
