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Cummins 6CTA8.3-M205 Marine Propulsion Engine (205HP / 151kW)
As a leading global engine supplier, HekoPower provides the Original Cummins 6CTA8.3-M205 marine engine, a legendary power unit known for its mechanical simplicity and extreme durability. Specifically engineered by DCEC (Dongfeng Cummins), this 151kW Cummins 6CTA8.3-M205 diesel engine offers a perfect balance of power-to-weight ratio for mid-sized commercial boats. Whether you are looking for a 6CTA8.3-M205 price for a new build or a replacement for an aging vessel, HekoPower delivers complete power solutions with industry-leading lead times.
Tech Specs of Cummins 6CTA8.3-M205
General Engine Data
Engine Model: Cummins 6CTA8.3-M205
Type: 6 Cylinders, in Line
Displacement: 8.3 L
Bore * Stroke: 114 * 135
Net Weight (with flywheel & alternator): 674 Kg
Overall Dimension: 1360mm*780mm*988mm
Engine Configuration No.: D413065MX03
Key Performance Data
Rated Power: 151 kW/205 HP
Rated Speed: 2328 rpm
Low Idle Speed: 800 rpm
Fuel Consumption (Running Speed): ≤ 247 g/kW.h
Torque/Rated Speed: 715 N.m @ 2328 rpm
Max Torque/Speed: 828 N.m @ 1500 rpm
More Technical Data
Certification: CCS Certificates
Aspiration: Turbocharged/Intercooled
Compression Radio: 17.3:1
Fuel System: BYC PB Pump/R801 Governor
Governor Type: Mechanical Control
Starting System: Electrical Start (12V/24V)
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Sea water pump, Heat exchanger, Water cooled
Engine Cooling Fluid Volume: 12.3 L
Technical Excellence of the DCEC 6CTA8.3 Marine Engine
The DCEC 6CTA8.3 Engine is a 6-cylinder, 8.3-liter in-line engine that utilizes a Holset turbocharger and an aftercooler. This configuration ensures that the 151KW 205HP Cummins 6CTA8.3-M205 marine diesel engine maintains peak performance even in high-ambient-temperature engine rooms.
Turbocharged and Intercooled Performance
The turbocharged intercooled 6CTA8.3-M205 marine engine is designed to maximize oxygen intake, resulting in more efficient combustion. This is critical for vessels requiring steady torque.
6CTA8.3-M205 Fuel Consumption Curve & Efficiency
Efficiency is a primary concern for fleet owners. The 6CTA8.3-M205 fuel consumption high rpm performance remains competitive, with an optimized curve at 2328 RPM. Users often ask about the fuel consumption of 6CTA8.3-M205 marine engine; typically, it offers significant savings over older mechanical models in the same class.
Certified for Global Marine Standards
The DCEC 6CTA8.3-M205 marine engine can be supplied with CCS and IMO Tier II certification, ensuring compliance with international marine regulations.
Versatile Applications: From Fishing Boats to Tugboats
The Cummins 8.3L 151kW marine propulsion engine for fishing boats is a top choice in Southeast Asia and South America. However, its utility extends further.
- Tugboats and Workboats: The 6CTA8.3-M205 engine for tugboats and workboats provides the high-torque "low-end" grunt needed for towing.
- Cargo Vessels: It serves as a reliable marine engine for small cargo vessels 200HP class, ensuring on-time coastal transport.
- Retrofitting: The Cummins 6CTA8.3 for fishing boat retrofit is a common project, as the physical footprint allows for easy replacement of older, less efficient units.
6CTA8.3-M205 vs Other Cummins Marine Engines
6CTA8.3-M205 vs 6CTA8.3-M188
- M205 offers higher output (205HP vs 188HP)
- Better suited for heavier vessels
6CTA8.3-M205 vs 6CTA8.3-M220
- M220 provides more power but higher fuel consumption
- M205 offers a better balance of cost and efficiency
6CTA8.3 vs QSB6.7 Marine Engine
- 6CTA8.3: mechanical reliability, lower cost
- QSB6.7: electronic control, higher efficiency
Complete Marine Propulsion Packages by HekoPower
At HekoPower, we don't just sell engines; we provide solutions. Our DCEC 6CTA8.3-M205 marine engine with gearbox solution integrates the engine with world-class transmission systems.
Cummins 6CTA8.3-M205 with Advance Gearbox
We offer a pre-aligned Cummins 6CTA8.3-M205 with Advance gearbox (such as the 135A or HC138 series). This marine propulsion engine with gearbox and control system reduces installation time and ensures mechanical compatibility from day one.
Certification and Compliance
Safety and legality are paramount. We provide the DCEC 6CTA8.3-M205 CCS IMO Tier II certificate, making it suitable for international waters and regulated commercial zones.
Maintenance, Warranty, and Support
Understanding the maintenance cost of Cummins 8.3 marine engine is vital. Because this is a mechanical engine (non-electronic), the Cummins marine engine overhaul interval is exceptionally long, and the 6CTA8.3-M205 overhaul kit is affordable and widely available.
- Warranty: Every engine comes with a 6CTA8.3-M205 marine engine with 12-month warranty.
- Parts: We stock the 6CTA8.3-M205 sea water pump and other critical spares for immediate dispatch.
- Delivery: HekoPower specializes in 7–15 days fast delivery for standard configurations.
Cummins C8.3-M Series (C8.3 Marine Engine), marine propulsion engines for commercial and recreational applications, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes 6CTA8.3-M188, 6CTA8.3-M205, 6CTA8.3-M220, 6CTA8.3-M260. All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
