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Overview of Cummins KTA19-M550 Marine Engine
The Cummins KTA19-M550 marine engine is a heavy-duty 19L inline 6-cylinder diesel engine developed for marine propulsion and auxiliary power applications. With a rated output of 410kW (550HP), this model is widely used in commercial vessels such as fishing boats, tugboats, barges, and offshore support ships.
As part of the proven Cummins K19-M series, the KTA19-M550 features a turbocharged and aftercooled design, delivering high torque, fuel efficiency, and long-term durability in harsh marine environments.
HekoPower supplies genuine CCEC (Chongqing Cummins) KTA19-M550 engines, offering factory-direct pricing, fast global delivery, and complete marine engine package solutions.
Tech Specs of KTA19-M550
General Engine Data
Engine Model: Cummins KTA19-M550
Type: 6 Cylinders in Line
Displacement: 19 L
Bore * Stroke: 159 * 159
Net Weight (with flywheel & alternator): 1906 Kg
Overall Dimension: 1666mm*874mm*1377mm
Engine Configuration No.: D193064MX02
Key Performance Data
Rated Power: 410 kW/550HP
Rated Speed: 2100 rpm
Low Idle Speed: 675-775 rpm
High Idle Speed: 2289-2475 rpm
Rating Type: Continuous Running Power
Fuel Consumption (Running Speed): 103 L/hr
Max Torque/Speed: 2050 N.m @ 1500 rpm
More Technical Data
Certification: CCS/IMO Certificates
Governor Type: Mechanical Control
Aspiration: Turbocharged
Compression Radio: 15.5:1
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
Why the KTA19-M550 is the Ideal Choice for Marine Propulsion
The KTA19-M550 heavy-duty marine main engine stands out in the 500–600HP class due to its specialized rating for marine propulsion duty cycles. While competitors often sell generic engines ill-suited for constant load variations, the Cummins KTA19-M550 delivers a peak torque of 2050 N.m @ 1500 rpm, providing the immediate thrust required for tugboats and barges navigating strong currents.
Saltwater Durability
Equipped with a dedicated seawater pump and heat exchanger cooling system, this engine withstands the corrosive effects of marine environments, making it superior for offshore support vessels and cargo ships.
Certified Compliance
Every genuine CCEC KTA19-M550 supplied by HekoPower meets strict IMO Tier II and CCS (China Classification Society) standards, ensuring hassle-free registration for international fleets.
Versatile Applications
From high-speed passenger ferries to pleasure craft upgrades, the KTA19-M series 19L marine propulsion diesel engine offers the reliability needed for critical operations. It serves as an excellent replacement for old CAT 3412 marine engines, offering better fuel efficiency and easier parts sourcing.
Versatile Applications for the KTA19-M550 Propulsion Engine
The versatility of the K19 series makes it the best 500–600HP marine diesel engine for various commercial sectors.
KTA19-M550 Engine for Commercial Fishing Vessels
Reliability is non-negotiable on the open sea. The KTA19-M550 is a staple for commercial fishing vessel propulsion, offering the endurance required for long seasons and heavy nets. Its mechanical PT fuel system ensures that the engine can be maintained even in remote ports.
Heavy-Duty Support: Tugboats, Barges, and Dredgers
For coastal operations, the Cummins 550HP marine engine for tugboats and barges provides exceptional bollard pull. Furthermore, it serves as a reliable CCEC KTA19-M550 propulsion engine for sand suction dredgers, where high-load continuous operation is the norm. It is also an ideal 550HP diesel engine for tugboat and workboat repower projects, often serving as a modern replacement for old CAT 3412 marine engines.
Specialized Marine Power Packs
Beyond main propulsion, the marine auxiliary engine KTA19 configuration is frequently used as a high-capacity generator drive or for powering large hydraulic systems on offshore support vessels and cargo ships.
Offshore Support and Passenger Vessels
It is also applicable in offshore service vessels and medium-speed passenger ferries due to its balance of power and efficiency.
Performance and Certification: CCS and IMO Tier II Compliance
In today’s regulatory climate, documentation is as important as hardware. HekoPower ensures every genuine CCEC KTA19-M550 marine engine from China meets international standards:
- IMO Tier II Certification: The Cummins KTA19-M550 IMO Tier II certification ensures compliance with global nitrogen oxide (NOx) emission limits.
- CCS Certification: We provide HekoPower CCEC KTA19-M550 CCS certified units, essential for vessels registered under the China Classification Society or requiring high-standard maritime insurance.
Maintenance and Long-Term Reliability
To keep your KTA19-M550 heavy-duty marine main engine running at peak performance, HekoPower offers a full suite of support.
The Cummins PT Fuel System Advantage
One of the most praised features is the Cummins PT fuel system marine engine KTA19 design. This pressure-time mechanical system eliminates the need for complex electronics, making Cummins PT fuel system maintenance for KTA19-M550 straightforward for onboard engineers.
Cooling and Lubrication
Proper care of the KTA19-M550 saltwater corrosion protection package and the 37L lube oil pan is vital. Our seawater cooling system maintenance guide helps operators manage heat exchanger descaling and sacrificial anode replacement, ensuring the engine thrives even in high salt spray environments.
Buying Guide: Pricing, Lead Time, and HekoPower Global Shipping
HekoPower simplifies the procurement of your CCEC KTA19-M550 marine propulsion engine factory direct supply.
- Wholesale Pricing: We offer the most competitive price of Cummins KTA19-M550 for shipbuilding projects.
- Flexible Payment: Terms include T/T and L/C payment options for international transactions.
- Fast Lead Time: Our typical lead time is 15-30 business days, significantly faster than many regional distributors.
- Global Maritime Shipping: With HekoPower global shipping for marine engines, we manage the logistics from the CCEC factory to your shipyard or port of choice.
Cummins K19-M Series (K19 Marine Engine), marine propulsion engines for commercial and recreational applications, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes KT19-M425, KTA19-M470, KTA19-M500, KTA19-M550, KTA19-M3 (500 HP), KTA19-M3 (600 HP), KTA19-M3 (640 HP), KTA19-M4 (700 HP). All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
