Details
Cummins KTA38-DM880 Marine Auxiliary Engine
The Cummins KTA38-DM880 is a heavy-duty marine diesel engine engineered specifically for continuous-duty auxiliary power applications. Delivering a reliable rated output of 880kW (1180HP) at a fixed 1500 RPM, this 38-liter V12 4-stroke marine diesel engine is the backbone of onboard power generation. Built by CCEC (Chongqing Cummins Engine Co.), it combines proven mechanical simplicity with exceptional durability.
As an authorised China Cummins marine engine supplier, HekoPower provides this genuine Cummins marine engine complete with a standard 12-month warranty, flexible payment terms including T/T and L/C, and a rapid lead time of 15 to 30 business days.
Tech Specs of Cummins KTA38-DM880
General Engine Data
Engine Model: Cummins KTA38-DM880
Type: 12 Cylinders, V Type, 4 Stroke, Diesel
Displacement: 38 L
Bore * Stroke: 159 * 159
Net Weight (with flywheel & alternator): 4501 Kg
Overall Dimension: 2003mm*1362mm*1661mm
Engine Configuration No.: D233036MX02
Key Performance Data
Rated Power/Standby Power: 880 kW/1180HP, 970 kW/1300HP
Rated Speed: 1500 rpm
Low Idle Speed: 725-775 rpm
Fuel Consumption (Running Speed): 232 g/kW.hr
Torque/Rated Speed: 5602 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 Application Scenarios
Choosing the right auxiliary power systems for offshore platforms and cargo ships requires an engine that can run uninterrupted for weeks at a time. The Cummins K38-DM series is specifically calibrated for these high-demand environments.
For commercial fishing vessels and offshore support vessels, onboard generators must power critical hydraulic systems, refrigeration units, and navigation equipment without fluctuation. The constant-speed calibration of the KTA38-DM880 ensures stable 50Hz power generation. Similarly, for passenger ferries and large tugboats requiring substantial hotel loads, this 880kW marine engine provides the necessary electrical foundation to keep shipboard operations running smoothly under harsh oceanic conditions.
A Common Misconception About Marine Engines
Many procurement officers assume that any heavy-duty propulsion diesel engine can simply be repurposed as a generator drive by running it at a steady speed. This is a costly misconception. The KTA38-DM880 is uniquely governed for auxiliary use. While a Cummins marine propulsion engine is designed to handle rapid load changes and variable speeds to drive a propeller, the "DM" (Diesel Marine) designation means this engine features a highly sensitive governor designed to maintain a strict 1500 RPM, preventing frequency drops that could damage sensitive shipboard electronics.
Technical Comparisons: Choosing the Right KTA38 Model
Navigating the Cummins marine engine selection guide can be challenging when faced with multiple power ratings. Understanding the differences within the Cummins K38-DM series ensures you secure the correct power-to-weight ratio for your vessel.
Cummins KTA38-DM880 vs KTA38-DM760
While both engines share the same 38-liter displacement, the DM880 is calibrated for vessels with higher peak electrical demands. The DM760 (760kW) is an excellent choice for standard cargo ships, but the Cummins KTA38-DM880 features optimized turbocharger matching and slightly altered injection timing. This allows it to produce an additional 120kW safely without compromising the continuous-duty rating.
Cummins KTA38-DM880 vs KTA38-M1000
Buyers often ask to compare the DM880 with the KTA38-M1000. It is crucial to note that these engines serve entirely different purposes. The KTA38-M1000 is a marine propulsion engine designed to drive a gearbox and propeller at varying speeds. The KTA38-DM880 is an auxiliary engine locked at 1500 RPM to drive an alternator. You should never purchase an M-series engine for a generator set, nor a DM-series engine for propulsion.
Maintenance Guidelines and Overhaul Guide
The legendary reliability of the CCEC Cummins marine engine stems from strict adherence to its maintenance schedule. The high-volume Cummins marine engine lubrication system requires regular oil analysis and scheduled changes to protect the internal bearings.
When operating a continuous-duty marine diesel engine, preventative maintenance is far more cost-effective than reactive repairs. Inspect the raw water pumps and heat exchanger zinc anodes monthly to prevent galvanic corrosion within the marine cooling system. Keep a close eye on valve lash clearances; adjusting these every 1,500 hours ensures the engine maintains optimal fuel consumption and power output.
Planning for Engine Overhauls
A complete Cummins KTA38 engine overhaul is typically scheduled between 20,000 and 25,000 operating hours, depending on load factors and fuel quality. Because the engine features individual cylinder heads, top-end maintenance can be performed in-frame without removing the engine block from the vessel.
When replacing worn components, always source genuine Cummins KTA38-DM engine parts and replacements. Using aftermarket components in the PT fuel pump or fitting non-OEM injectors will severely disrupt fuel atomisation, leading to increased exhaust smoke, higher thermal loads, and premature piston failure. As a trusted OEM Cummins KTA38 engine supplier, HekoPower provides comprehensive spare parts support to keep your vessel operational.
Cummins K38-DM Series, Marine Auxilliary Diesel Engines for commercial and recreational applications, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes KT38-DM560, KT38-DM679, KTA38-DM664, KTA38-DM768, KTA38-DM809, KTA38-DM814, KTA38-DM880, KTA38-DM1007. All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
Frequently Asked Questions (FAQs)
What is the expected fuel consumption of the KTA38-DM880?
Cummins KTA38-DM880 fuel consumption is highly optimized for constant-speed operation. At a 100% continuous load, operators can expect an efficient burn rate relative to its 880kW output. Operating at partial loads (70-80%) significantly improves fuel economy while preventing wet-stacking, making it highly efficient for standard shipboard hotel loads.
Can this engine be used as an emergency standby generator?
Yes. While it is built as a continuous-duty marine auxiliary engine for commercial vessels, its robust block and reliable starting motor make it an exceptional emergency power unit. It can accept heavy block loads rapidly, which is critical for restoring shipboard power during an unexpected blackout.
How do I request a Cummins marine engine quotation?
You can buy the Cummins KTA38-DM880 directly through HekoPower. Our engineering team provides full technical data sheets, engine dimensions, and tailored pricing based on your required configuration (such as cooling system preferences and instrumentation panels). Reach out to our sales team with your vessel specifications for an accurate, competitive quote.