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Cummins KTA38-M850 Marine Propulsion Engine | 850HP Heavy Duty Diesel
The Cummins KTA38-M850 marine engine is a high-performance 850HP (634kW) propulsion solution designed for continuous duty applications in commercial vessels. As a genuine CCEC engine, this model delivers reliability, fuel efficiency, and IMO Tier II compliance, making it ideal for tugboats, cargo ships, fishing vessels, and offshore support boats.
HekoPower supplies original Cummins KTA38-M850 engines with global delivery, competitive pricing, and full technical support.
Tech Specs of CCEC KTA38-M850
General Engine Data
Engine Model: Cummins KTA38-M850
Type: 12 Cylinders, V Type, 4 strokes
Displacement: 38 L
Bore * Stroke: 159 * 159
Net Weight (with flywheel & alternator): 4457 Kg
Overall Dimension: 2152mm*1462mm*2083mm
Engine Configuration No.: D233034MX02
Key Performance Data
Rated Power: 634 kW/850HP
Rated Speed: 1800 rpm
Low Idle Speed: 575-675 rpm
High Idle Speed: 1962-2200 rpm
Rating Type: Continuous Running
Fuel Consumption (Running Speed): 162.1 L/hr
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 Choose the CCEC KTA38-M850 for Your Vessel?
Whether you are seeking a 634kW marine diesel engine for tugboats and cargo ships or a reliable motor for a 50ft trawler, the KTA38-M850 is the industry standard.
- Continuous Duty (CON): Rated for 24-hour uninterrupted use.
- IMO Tier II Compliant: Meets international emission standards for modern maritime law.
- Cooling System: Features a robust heat exchanger cooling system with a dedicated seawater pump.
HekoPower Pro-Tip: When comparing KTA38-M850 vs KTA38-M2, remember that the M850 is specifically tuned for the 850HP sweet spot, offering a balance of longevity and fuel economy that higher-rated models may sacrifice.
Key Advantages of Cooling System and Reliability
The KTA38-M850 features a heat exchanger cooling system with a seawater pump, ensuring consistent engine temperature in marine environments.
- Efficient heat dissipation
- Corrosion-resistant marine components
- Stable performance in high-load conditions
- Suitable for tropical and cold environments (starting temperature down to -12°C)
Ideal Applications for the 850HP Cummins Marine Diesel Engine
The versatility of the KTA38-M850 makes it the best engine for tugboat propulsion and various commercial vessels. Its continuous duty rating ensures it can handle the high torque demands of towing operations without overheating or losing efficiency.
- Tugboats & Workboats: The high torque output at 1800 RPM provides exceptional bollard pull.
- Cargo Ships & Barges: Reliable power for sustained cruising speeds.
- Fishing Vessels: Perfect for 50ft trawlers requiring dependable power for net hauling and long-distance transit.
- Ferries & Passenger Vessels: Smooth operation and low vibration enhance passenger comfort.
KTA38-M850 vs Other Marine Engines
KTA38-M850 vs KTA38-M2
- M850: Optimised for 850HP output
- M2: Higher power range (up to 1200HP)
- M850 is more fuel-efficient for mid-size vessels
KTA38 vs KTA50
- KTA38: Ideal for 600–1000HP range
- KTA50: Designed for heavy-duty >1200HP applications
- KTA38 offers lower operating cost and easier maintenance
Genuine CCEC Engine vs Aftermarket Options
When purchasing a Cummins KTA38-M850 marine engine, choosing a genuine CCEC unit is critical.
Why Choose Genuine Engines
- Verified factory specifications
- Full Cummins warranty support
- Longer service life
- Compatibility with marine gearboxes and systems
Aftermarket or rebuilt engines may have lower upfront cost but often result in higher maintenance and operational risks.
Maintenance and Operational Efficiency
Proper maintenance is key to maximizing the lifespan of your Cummins KTA38 engine. The KTA38-M850 is designed for ease of service, with accessible components for routine checks. Key maintenance considerations include monitoring the STC adjustment, regular inspection of the seawater pump and heat exchanger, and adhering to the recommended fuel filtration standards.
Compared to larger alternatives like the KTA50, the KTA38-M850 offers a more compact solution with lower maintenance costs, making it an economical choice for vessels in the 600-900 HP range. For those evaluating 850HP vs 1000HP marine diesel engine selection, the M850 often provides sufficient power with better fuel economy and lower initial investment for mid-sized commercial fleets.
Price, Delivery, and Supplier Information
HekoPower offers competitive pricing for the Cummins KTA38-M850 marine engine with flexible payment terms.
Commercial Details
- Lead Time: 20–30 business days
- Payment Terms: T/T, L/C
- Warranty: 12 months
- Global shipping available
As a trusted marine engine supplier in China, HekoPower ensures fast response, technical consultation, and after-sales support.
Why Choose HekoPower as Your Supplier
- Genuine CCEC Cummins engines
- Competitive wholesale pricing
- Fast delivery worldwide
- Professional technical support
- Experience in marine propulsion systems
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.
Contact HekoPower today to get the latest price and availability for the Cummins KTA38-M850 marine engine.
