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Cummins KTA19-DM507 Marine Auxiliary Engine: Commercial Procurement & Technical Guide
The Cummins KTA19-DM507 is a heavy-duty, inline 6 marine diesel engine engineered engineered explicitly for continuous-duty marine auxiliary applications. Utilizing a 19-liter displacement, this mechanical powerhouse delivers a rated power output of 507 kW (680 HP) at a governed speed of 1800RPM.
Manufactured by the Chongqing Cummins Engine Company (CCEC), the KTA19-DM507 is the standard-bearer for powering medium-to-large marine generator sets, proving its reliability across commercial cargo networks, deep-sea fishing fleets, and harbor tug operations globally.
Tech Specs of Cummins KTA19-DM507
General Engine Data
Engine Model: Cummins KTA19-DM507
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: 507 kW/680HP, 563 kW/755HP
Rated Speed: 1800 rpm
Low Idle Speed: 675-775 rpm
Fuel Consumption (Running Speed): 232 g/kW.hr
Torque/Rated Speed: 2690 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
Understanding the CCEC Cummins KTA19-DM507 Technical Specifications
When evaluating the KTA19-DM507 for a new vessel build or an emergency repower project, engineering teams must look beyond standard sales pamphlets. The mechanical architecture of this 19L marine engine balances simple serviceability with high thermal efficiency.
Critical Physical Dimensions and Weight Metrics
Integrating a new engine into an existing marine auxiliary engine room requires precise physical spatial planning. The dry weight of a standard CCEC KTA19-DM507 complete diesel engine sits at approximately 1,500 kg to 1,650 kg, depending on the exact marine gear configuration.
Its overall dimensions average roughly 1600mm in length, 950mm in width, and 1400mm in height. These compact dimensions make the inline 6 configuration highly favorable for double-row generator layouts where deck space is restricted.
The Cummins PT Fuel System and Fuel Consumption Profile
At the heart of this engine's longevity is the proprietary Cummins PT (Pressure-Time) fuel system. Unlike fragile electronic common rail systems that fail under poor marine fuel filtration, the mechanical PT fuel system handles fluctuating fuel quality with extreme resilience.
At its rated 1800RPM output powering a 500kVA marine genset engine configuration, the fuel consumption curve remains remarkably flat. Average operational fuel burn hovers around 205 to 210 grams per kilowatt-hour (g/kW·h), optimizing your vessel's long-range transit economics.
Technical Comparison: KTA19-DM507 vs. Competitor 19L Marine Engines
Choosing between a genuine Chongqing Cummins engine and alternative power units requires balancing long-term maintenance costs against initial capital expenditure.
Cummins KTA19 vs. Deutz and Weichai Alternatives
Many domestic Chinese exporters push Weichai or Huachai-Deutz platforms as lower-cost substitutes for a genuine CCEC marine engine. While those platforms offer lower upfront costs, the Cummins KTA19 platform outperforms them in global parts availability. If a generator engine experiences a failure in international waters, sourcing a Cummins KTA19 PT fuel pump or a replacement water pump takes hours at any major international seaport. Trying to locate a niche Deutz or specialized domestic engine block component outside of mainland China can ground a commercial cargo ship for weeks.
Structural Advantages of the Heavy-Duty Inline 6 Configuration
Unlike high-speed V8 or V12 engine designs that operate at high internal stresses, the inline 6 design of the KTA19-DM507 offers natural mechanical balance. This balance directly reduces structural vibration transmitted through the vessel's hull. Lower vibration prevents premature cracking in nearby welds, safeguards delicate electronic navigation arrays, and minimizes crew fatigue during extended deep-sea fishing vessel voyages.
Real Application Scenarios for the 507kW Cummins Marine Engine
The Cummins KTA19-DM507 is not a one-size-fits-all propulsion engine. It is a highly specialized marine generator drive engine built to handle rapid load fluctuations.
Primary Power Source for 500kVA–600kVA Marine Generator Sets
Modern cargo ships and maritime tankers demand steady, reliable electricity to run navigation suites, ballast pumps, and crew quarters. The KTA19-DM507 is perfectly matched to turn high-output alternators, providing clean power under continuous load. Its governor system responds instantly to sudden inductive loads, preventing voltage drops when heavy equipment like cargo cranes or emergency fire pumps kick online.
Heavy Refrigeration Demands on Ocean-Going Fishing Vessels
On deep-sea fishing trawlers, a power failure means losing millions of dollars in catch value due to spoiled refrigeration holds. Operating the 680 HP Cummins marine diesel engine as the central power plant for flash-freezing systems ensures constant thermal control. The engine's capability to run continuously for months without stopping makes it a favorite among fleet engineers who face harsh sub-zero or equatorial maritime climates.
Maintenance, Overhaul, and Spare Parts Replacement Tips
Preventative maintenance determines whether your auxiliary engine lasts 10,000 hours or 40,000 hours before its first major overhaul. As an authorized export supplier, HekoPower provides clear operational guidelines to prevent catastrophic failure.
Marine Cooling System Upgrades: Heat Exchanger vs. Keel Cooling
Vessel builders must decide between a built-in sea-water heat exchanger or a keel cooling setup. Heat exchangers offer compact engine room packaging but require regular zinc anode replacement to combat galvanic corrosion. Keel cooling setups eliminate raw water pumps and seaweed clogging hazards completely, making them ideal for muddy river deltas or shallow-water coastal routes.
Identifying Critical Cummins KTA19-DM507 Overhaul Parts
When planning a mid-life engine assembly rebuild, procurement officers should focus on high-wear components. Always specify genuine CCEC cylinder liners, piston rings, main bearing shells, and upper gasket kits. Swapping out worn turbochargers and water pumps during scheduled drydocking cycles prevents emergency mid-voyage failures and extends the total lifecycle of the engine block.
HekoPower Procurement & Logistics Superiority
Purchasing an industrial marine engine involves strict deadlines and complex cross-border logistics. Here is how HekoPower simplifies the procurement process for international buyers.
Cummins KTA19-DM507 Lead Time and Export Delivery Protocols
We understand that every day an engine room sits empty represents lost revenue for a fleet operator. HekoPower maintains direct factory ties with the Chongqing Cummins production plant, ensuring shorter lead times than typical trading brokers. Every complete diesel engine is secured inside a custom-engineered, anti-rust treated wooden crate designed to withstand maritime humidity and rough handling during international shipping.
Guaranteed Original Documentation and CCS Certified Engine Processing
Every single KTA19-DM507 supplied by HekoPower leaves the factory with an official certificate from the China Classification Society (CCS) and fully complies with international IMO Tier II marine emission standards. We supply the complete technical specifications package, original factory testing reports, and a comprehensive maintenance guide with every unit, ensuring trouble-free customs clearance and vessel registration at any global port.
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 About the Cummins KTA19-DM507
What is the exact difference between a CCEC Cummins engine and a standard imported Cummins engine?
CCEC engines are manufactured directly in Chongqing, China, under a strict joint venture with Cummins USA. They utilize identical engineering specifications, materials, and quality control systems as US-built blocks, but benefit from optimized manufacturing logistics to provide a more competitive wholesale price for global markets.
Can I use the KTA19-DM507 as a main propulsion engine?
No. The DM507 model code designates it as a specialized auxiliary engine optimized for constant-speed operations like generator drives. For main propulsion applications requiring variable throttle ranges, you should explore the Cummins KTA19-M series, which features different governor calibrations and power ratings.
How can I download the official Cummins KTA19-DM507 datasheet PDF?
HekoPower provides complete technical specifications, wiring schematics, and dimension diagrams directly to registered buyers. Reach out through our primary inquiry form to receive the official product datasheet PDF along with a customized commercial quote tailored to your destination port.
