Details
CCEC Cummins KTA38-M1 1100HP Marine Propulsion Engine
The Cummins KTA38-M1 1100 HP marine engine is a defining power plant for commercial maritime operations. Manufactured by Chongqing Cummins Engine Co., Ltd., this 38-liter V12 diesel provides massive displacement and stable torque. Delivering 821kW at a steady 1800rpm, the engine is explicitly built for severe, uninterrupted service. HekoPower operates as an established CCEC KTA38-M1 supplier, delivering these original blocks to shipyards and fleet operators worldwide. We specialize in providing complete, factory-direct propulsion solutions tailored to heavy-displacement hulls.
The D233034MX02 configuration represents the pinnacle of mechanical diesel engineering. It completely avoids delicate electronics and digital sensors. This makes the KTA38-M1 38L marine diesel engine incredibly resilient in harsh, high-salinity ocean environments. For vessel owners focused on maximizing uptime, this 821kW heavy duty marine engine offers predictable power generation and simplified onboard maintenance.
Tech Specs of Cummins KTA38-M1 1100HP
General Engine Data
Engine Model: Cummins KTA38-M1 (1100 HP)
Type: 12 Cylinders, V Type, 4 strokes
Displacement: 38 L
Bore * Stroke: 159 * 159
Net Weight (with flywheel & alternator): 4358 Kg
Overall Dimension: 2152mm*1462mm*2083mm
Engine Configuration No.: D233034MX02
Key Performance Data
Rated Power: 821 kW/1100HP
Rated Speed: 1800 rpm
Low Idle Speed: 575-675 rpm
High Idle Speed: 1815-2016 rpm
Rating Type: Heavy Duty
Fuel Consumption (Running Speed): 200.3 L/hr
More Technical Data
Certification: CCS/IMO Certificates
Governor Type: Mechanical Control
Aspiration: Turbocharged/Aftercooled
Compression Radio: 13.9:1
Fuel System: Cummins Pressure Time (PT Pump)
Starting System: Electrical Start (24V)
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Sea water pump, Heat exchanger, Water cooled
Engineering Dynamics and the PT Fuel System
The core advantage of the Chongqing Cummins K38-M1100 main engine is its fuel delivery architecture. It utilizes the proprietary Cummins PT fuel system marine engine design. This pressure-time system relies on mechanically driven injectors and a gear-driven fuel pump. Without an electronic control unit (ECU) to fail or short circuit at sea, crews can troubleshoot and adjust fuel metering using standard hand tools. This mechanical reliability is a primary reason commercial operators choose this specific configuration.
Fuel efficiency dictates operational profitability for commercial fleets. The Cummins KTA38-M1 1100 HP fuel consumption chart L/hr indicates a maximum burn rate of 200.3 liters per hour at full, continuous throttle. However, the KTA38-M1 turbocharged aftercooled marine engine is highly efficient under partial loads. When a vessel reduces speed to a 75 percent load, the KTA38-M1 fuel consumption at 1800rpm drops significantly. Reviewing the specific CCEC KTA38-M1 821kW CPL number technical datasheet helps naval architects calculate exact bunkering requirements for long ocean transits.
Airflow is managed by twin holset turbochargers paired with jacket-water aftercooling. This ensures dense, cool oxygen reaches the cylinders consistently. It allows complete fuel combustion even when the engine faces sudden, extreme load spikes during rough weather operations.
Application Scenarios for Commercial Vessels
This Cummins 1100 HP continuous duty marine diesel thrives in low-speed, high-thrust environments. It is highly regarded as a dedicated KTA38-M1 engine for tugboat operations. Harbor assist vessels and ocean-going tugs require immense low-end torque to move heavy deadweight. The massive 38-liter displacement ensures the engine will not stall or bog down when a towline suddenly goes taut.
It is equally proven as a KTA38-M1 engine for cargo vessel propulsion. Inland freighters and coastal bulk carriers rely on its continuous duty rating to run non-stop for days. The engine sustains peak power without risking thermal degradation to the cylinder heads. Furthermore, ocean trawlers frequently install the KTA38-M1 engine for fishing vessel hulls. It provides the dual flexibility of efficient cruising speeds and the raw power required for dragging heavy nets across the seafloor.
Proper drivetrain alignment is critical. HekoPower assists buyers with precise CCEC KTA38-M1 marine engine with gearbox matching. The engine features a standard SAE 0 flywheel housing. We typically match this with heavy-duty marine reduction gears from manufacturers like ZF, Advance, or Masson. Deep reduction ratios are utilized to translate the 1800rpm output into slow, massive propeller revolutions for maximum in-water thrust.
Technical Comparisons and Rating Distinctions
A frequent area of confusion among procurement officers involves the difference between Cummins KTA38-M1 1100HP and KTA38-M2 1200HP models. The distinction lies entirely in the duty cycle rating. The M1 is rated for continuous duty. It is engineered to operate at full throttle for an unlimited number of hours per year. The M2 model provides higher peak horsepower but is restricted to a heavy-duty or intermittent rating. It cannot run at 100 percent load constantly without risking overheating. Tugboats and freighters should strictly use the continuous M1 rating.
Another common evaluation is the Cummins KTA38-M1 1000 HP vs 1100 HP rating comparison. Both marine engines utilize the exact same physical footprint and internal V12 block. The 1100HP version achieves its higher output through precise turbocharger matching and fuel pump calibration adjustments outlined in its specific CPL profile. Both offer the same mechanical reliability.
Vessel owners also frequently misunderstand the KTA38-M1 vs KTA38-DM distinction. The KTA38-M1 marine propulsion engine is a variable-speed unit designed to drive a propeller shaft through a gearbox. The KTA38-DM is an auxiliary engine. It operates at a fixed speed of either 1500rpm or 1800rpm and is used exclusively to power onboard marine generator sets.
Maintenance, Overhauls, and Cooling Configurations
Routine servicing ensures this KTA38-M1 38L V12 marine diesel engine reaches its maximum lifespan. Operators must strictly adhere to oil change intervals and regularly calibrate the PT fuel pump to prevent cylinder wash-down. Monitoring exhaust gas temperatures helps crews identify blocked injectors early.
When planning vessel downtime, engineers must consult the KTA38-M1 marine diesel engine complete overhaul specs. Top-end overhauls are generally scheduled around 12,000 hours, while in-frame major overhauls occur near the 25,000-hour mark. Because the block features wet-type cylinder liners, crews can replace liners and piston rings without removing the engine block from the vessel hull. As a dedicated KTA38-M1 replacement engine supplier, HekoPower always advises using genuine CCEC overhaul parts to maintain the factory compression ratio.
Cooling configuration is another vital technical choice. Naval architects must decide on Cummins K38-M1100 heat exchanger vs keel cooling specs. A heat exchanger setup draws raw seawater into the vessel to cool internal freshwater channels. A keel-cooled system routes the internal coolant through pipes welded to the outside of the hull. Keel cooling eliminates the raw water pump entirely. It is highly recommended for muddy inland rivers where debris frequently clogs seawater intakes.
The Cummins K38 Marine Engine Series Integration
While the 1100HP continuous duty unit represents the ideal solution for heavy towing and large-scale cargo transport, different hull designs demand specific power profiles. HekoPower provides comprehensive access to the entire family of Chongqing Cummins propulsion and auxiliary power plants. Whether a shipyard requires a lower output configuration for a small coastal trawler or a higher intermittent rating for a fast patrol craft, the broader K38 platform offers a precisely engineered match.
Cummins K38-M Series (K38 Marine Engine), marine propulsion engines for commercial and recreational applications, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes KT38-M600, KT38-M780, KT38-M800, KT38-M850, KT38-M900, KTA38-M1 (1000 HP), KTA38-M1 (1100 HP), KTA38-M2 (545 HP), KTA38-M2 (1050 HP), KTA38-M2 (1200 HP), KTA38-M2 (1300 HP), KTA38-M2 (1350 HP). All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
Commercial FAQs and Procurement Insights
What is the original Chongqing Cummins KTA38-M1 export lead time?
Standard factory production time for a brand-new KTA38-M1 821kW marine engine is approximately 20 to 30 business days. Custom configurations, specialized gearbox pairings, or specific marine society inspections may slightly extend this timeline.
Is this a CCS IMO NOx Tier II certified KTA38-M1 engine?
Yes. The engine can be configured and supplied with full emissions certifications. We facilitate inspections for CCS, IMO, and other major classification societies to ensure your vessel meets strict international maritime compliance.
Can this model serve as a KTA38-M1 marine propulsion replacement engine for an older vessel?
Absolutely. The engine block footprint and engine mount dimensions have remained largely unchanged. Re-powering an older hull with a new KTA38-M1 1100HP requires minimal modifications to the existing engine bed, saving shipyards significant fabrication time.
How do I obtain a Cummins KTA38-M1 1100 HP tugboat propulsion package price?
Final costs depend heavily on your chosen marine transmission, cooling system configuration, and certification requirements. Contact HekoPower directly with your vessel specifications. As a direct KTA38-M1 821kW engine supplier, we will provide a comprehensive, transparent technical quotation tailored to your exact project needs.
