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Overview of Cummins KTA19-DM463 Marine Auxiliary Engine
The Cummins KTA19-DM463 is a 463kW (620HP) heavy-duty marine auxiliary diesel engine designed for reliable onboard power generation in commercial vessels. As part of the proven Cummins K19 series, this engine is widely used in marine generator sets ranging from 500kVA to 550kVA.
Supplied by HekoPower as a genuine CCEC Cummins product, the KTA19-DM463 is engineered for continuous-duty operation in harsh marine environments, including cargo ships, offshore support vessels, fishing boats, and passenger vessels. Its robust inline 6-cylinder design and PT fuel system ensure stable performance, low maintenance requirements, and long service life.
Tech Specs of KTA19-DM463
General Engine Data
Engine Model: Cummins KTA19-DM463
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: 463 kW/620HP, 511 kW/685HP
Rated Speed: 1800 rpm
Low Idle Speed: 675-700 rpm
Fuel Consumption (Running Speed): 232 g/kW.hr
Torque/Rated Speed: 2456 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
Technical Deep Dive: The KTA19-DM463 Performance Profile
Fuel Consumption and Efficiency
The Cummins KTA19-DM463 marine engine offers efficient fuel consumption of approximately 232 g/kW·h under standard operating conditions. At 1800 RPM, the engine maintains a stable fuel consumption curve, ensuring optimal efficiency for long-duration marine operations.
The PT fuel system provides accurate fuel delivery, improving combustion efficiency and reducing operational costs for vessel operators.
Low Temperature Start and Reliability
The engine supports cold-start capability down to -12°C without auxiliary heating systems, making it suitable for offshore and cold-region operations. Its mechanical control system ensures reliability even in remote environments where electronic systems may be less practical.
Cooling & Dimensions
With a compact design weighing 2005Kg, it fits easily into tight engine rooms. The unit features a robust sea water cooling system with a specialized heat exchanger design and options for a 72L oil pan to suit various vessel layouts.
Starting Capability
Equipped with a 24V electrical start system, certain configurations offer low-temperature start (-12°C) capabilities without auxiliary heating, making it ideal for offshore platforms in colder regions.
Installation and System Integration
The engine is designed for easy integration into marine generator systems:
- Compatible with 500–550kVA marine gensets
- Supports seawater cooling systems with heat exchanger design
- Flexible configuration for different vessel layouts
Key Applications: Why Choose DM463 for Your Fleet?
Cargo Ships & Inland Barges
As a primary auxiliary engine for cargo ships, the DM463 powers essential systems like navigation, lighting, and cargo pumps. Its durability makes it the preferred choice for inland river cargo barges where silt and variable loads are common.
Offshore Support & Fishing Vessels
For offshore support vessels and ocean fishing boats, consistent power is critical. The KTA19-DM463 for offshore support vessel auxiliary power ensures uninterrupted operation of winches and processing equipment. It is also widely used as a marine generator engine for fishing vessels up to 20 meters in length.
Passenger Ships & Tugboats
While often used for propulsion in smaller tugs, the DM463 shines as a 620HP Cummins marine auxiliary engine for passenger ships, providing silent, stable power for hotel loads. For tug operators, we offer propulsion packages that match the engine with suitable gearboxes.
Comparison Guide: Selecting the Right K19 Rating
Buyers often struggle with the difference between KTA19-DM403 and KTA19-DM463 or the KTA19-DM463 vs KTA19-DM507 comparisons.
DM463 vs. DM403
The DM463 offers higher continuous rating (463kW vs 403kW), making it better suited for modern vessels with higher electrical loads (e.g., electric cranes, refrigeration).
- KTA19-DM463 provides higher power output (463kW vs lower ratings)
- Better suited for larger vessels and higher electrical loads
DM463 vs. DM507
While the DM507 offers more peak power, the DM463 is optimized for continuous auxiliary duty, offering better fuel economy and longer overhaul intervals for genset applications.
- DM507 offers higher output but increased fuel consumption
- DM463 provides a balanced solution between efficiency and performance
Mechanical vs. Electronic
The DM463 typically utilizes a mechanical governor and PT pump fuel system, known for simplicity and ease of repair at sea compared to complex electronic controls.
Why Choose HekoPower as Your Supplier
HekoPower provides complete supply solutions for Cummins marine engines:
- Genuine CCEC Cummins KTA19-DM463 engines
- Competitive export pricing
- Fast delivery (15–30 business days)
- Global shipping with seaworthy packaging
- Optional spare parts kits and installation support
Each engine can be supplied with factory warranty and test reports, ensuring reliability and compliance with marine standards.
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.
FAQs – Cummins KTA19-DM463 Marine Engine
What is the delivery time?
Typically 15–30 days depending on configuration and shipping requirements.
Is the engine IMO Tier II certified?
Yes, certification options including CCS/IMO Tier II are available.
Can spare parts be included?
Yes, spare parts bundles and maintenance kits can be provided upon request.
