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Overview of Cummins KT38-M800 Marine Engine
As a leading global engine supplier, HekoPower provides the Chongqing Cummins KT38-M800, a legendary 38L V12 marine engine known for its unmatched durability in the harshest maritime environments. The KT38-M800 marine propulsion engine is specifically engineered for continuous duty applications, delivering a robust 596KW (800HP) at 1800 RPM. Whether you are powering a tugboat, a heavy cargo ship, or a commercial fishing vessel, this engine offers the mechanical simplicity and torque required for reliable deep-sea operations.
Tech Specs of Cummins KT38-M800
General Engine Data
Engine Model: Cummins KT38-M800
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.: D232007MX02
Key Performance Data
Rated Power: 596 kW/800HP
Rated Speed: 1800 rpm
Low Idle Speed: 575-675 rpm
High Idle Speed: 1962-2200 rpm
Rating Type: Continuous Running
Fuel Consumption (Running Speed): 147 L/hr
Max Torque/Speed: 3484 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
Fuel Efficiency & Operational Costs: The KT38-M800 Advantage
KT38-M800 Fuel Consumption at 75% Load
For long-range cruising, operating at 75% load reduces consumption significantly while maintaining steady hull speed. This makes it an ideal 800HP Cummins K38 diesel engine for fishing boats and barges that require 24/7 operation. At HekoPower, we provide the full KT38-M800 specifications and datasheet to help naval architects calculate precise vessel range and fuel autonomy.
Fuel Efficiency and Operational Advantages
The KT38-M800 offers excellent fuel efficiency due to its Cummins PT fuel system and optimized combustion design. With fuel consumption around 147 L/h, it provides cost-effective performance for long voyages.
Key advantages include:
- Stable power output for continuous marine operation
- Low maintenance requirements and long overhaul intervals
- Strong torque performance for heavy-load applications
- Proven reliability in harsh marine environments
KT38-M800 vs Other Cummins K38 Series Engines
When comparing the KT38-M800 with other engines in the Cummins K38 series:
KT38-M800 vs KT38-M900
- KT38-M900 offers higher power output
- KT38-M800 provides better fuel efficiency for medium-load vessels
KT38-M800 vs KTA38-M1 (1000HP)
- KTA38-M1 features upgraded performance and higher horsepower
- KT38-M800 is more cost-effective for standard propulsion needs
This makes the KT38-M800 an optimal balance between performance and operating cost.
KT38-M800 vs. KTA38-G2
A frequent point of confusion is the difference between Cummins KTA38-G2 and KT38-M800. While both share the same 38L block, they are engineered for fundamentally different purposes:
- Application: The KTA38-G2 is optimized for generator sets (constant speed, electrical load), whereas the KT38-M800 is tuned for marine propulsion (variable load, high torque, mechanical drive).
- Cooling & Gear Drive: The M800 variant often features specific marine gear housing patterns and seawater-cooled aftercoolers, which are not standard on the G2 generator model.
- Governor: The Cummins KT38-M800 mechanical control governor is calibrated for responsive throttle changes required in navigation, unlike the isochronous governors used in power generation.
- Comparison Note: When comparing KT38-M800 vs KTA38-M800 difference, note that the "KTA" usually denotes an aftercooled version; however, in the M800 context, the specific rating and marine certification are the defining factors. Always verify the Cummins KT38-M800 D232007MX02 configuration code to ensure you are purchasing the correct marine-spec unit.
Pricing, Supply, and Delivery
HekoPower supplies genuine CCEC Cummins KT38-M800 marine engines at competitive wholesale prices.
Key supply advantages:
- Fast delivery: 20–30 days
- Global shipping support
- 12-month warranty
- Complete spare parts support and documentation
For customers looking to buy KT38-M800 marine diesel engines, we provide flexible solutions including new units, replacement engines, and spare parts kits.
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.
Spare Parts and Maintenance Support
We provide a full range of genuine Cummins KT38-M800 spare parts, including:
- Overhaul gasket kits
- Fuel system components
- Turbochargers and cooling systems
- Engine spare parts catalog (PDF available)
Regular maintenance ensures optimal engine performance and extended service life, especially in offshore and high-load applications.
