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Cummins 6CTA8.3-M205 Marine Diesel Engine

Cummins 6CT8.3-GM115 Marine

Cummins 6CTA8.3-M205 Marine Diesel Engine

Power:

151 kW (205 BHP) @ 2328 RPM

Rating type:

Continuous

Type:

6-cylinder

Application:

Marine Propulsion

Packing Size:

1550×960×1610

Weight:

890kg

HS Code:

840810

Technical Specification of Cummins 6CTA8.3-M205 Marine Diesel Engine

Engine Model

6CTA8.3-M205

Fuel System

BYC PB/R801

Rated Power

151 kW (205 BHP)

Peak Engine Torque

828 N·m @ 1500 RPM

Rated Speed

2328 RPM

Compression Ratio

17.3:1

Rating Type

Continuous

Fuel Consumption at Rated Speed

Bore

114 mm [4.49 in]

Cooling system

Stroke

135 mm

Firing Order

1-5-3-6-2-4

Aspriration

Turbocharged/Aftercooled

Dry Weight

637kg

Displacement

8.3 L

Emission

IMO Tier II

General Information of Cummins 6CTA8.3-M205 Marine Diesel Engine

📘 Engine Description

The Cummins 6CTA8.3-M205 is a reliable, high-performance 6-cylinder marine diesel engine. It delivers 205 HP (151 kW) at 2328 RPM under continuous rating, making it an ideal solution for commercial vessels, fishing boats, workboats, and auxiliary propulsion applications. With its turbocharged and aftercooled configuration, the engine offers enhanced air intake efficiency and optimized combustion, leading to better fuel economy and reduced emissions.

Engineered for marine environments, the 6CTA8.3-M205 power unit ensures consistent performance, robust torque output, and easy installation with a compact profile. This marine propulsion engine meets the demands of continuous-duty marine operations and is backed by Cummins’ global parts and service network.


📊 Technical Specifications

  • Engine Model: 6CTA8.3-M205
  • Power Output: 151 kW (205 BHP) @ 2328 RPM
  • Peak Torque: 828 N·m @ 1500 RPM
  • Max Power: 166 kW @ 2400 RPM
  • Aspiration: Turbocharged & Aftercooled
  • Displacement: 8.3 L
  • No. of Cylinders: 6 (In-line)
  • Bore × Stroke: 114 mm × 135 mm
  • Compression Ratio: 17.3:1
  • Fuel System: BYC PB/R801
  • Dry Weight: 637 kg
  • Idle Speed: 700–900 RPM
  • High Idle Speed: 2700 ± 50 RPM
  • Fuel Consumption @ Rated: Approx. 51 L/h @ 2200 RPM
  • Cooling Capacity: 12.3 L (engine only)
  • Lubrication Oil Capacity: 21.9 L
  • Starting System: 12V / 24V available

⭐ Key Features

  • Turbocharged & Aftercooled: Enhanced air-fuel mixture for superior efficiency and power.
  • Compact Design: Easier installation in confined marine engine rooms.
  • Mechanical Fuel System: Offers stable fuel delivery and ease of maintenance.
  • Continuous Duty Rated: Built for long working hours without compromising performance.
  • Low Vibration & Noise: Ensures comfort and reduced wear.
  • Heavy-Duty Components: Engineered for harsh marine environments and long service life.


✅ Advantages

  • Proven Cummins Reliability: Built by Dongfeng Cummins under strict quality control and performance testing.
  • Fuel Efficient: Lower operating costs over time due to reduced fuel burn.
  • Excellent Torque at Low RPM: Better handling under heavy load and in maneuvering conditions.
  • Global Support: Easy access to service and spare parts worldwide.
  • Custom Mounting Flexibility: Adaptable installation angles for inline and V-drive systems.


🚢 Typical Applications

  • Fishing Boats
  • Tugboats and Workboats
  • Ferries and Transport Vessels
  • Patrol & Rescue Boats
  • Auxiliary Engines for Marine Generators
  • Hydraulic Pump Drives in Marine Equipment

Download of Cummins 6CTA8.3-M205 Marine Diesel Engine Datasheet

Model

Power

Emission

Datasheet

Drawing

Service Manual

Cummins 6CTA8.3-M205

151 kW (205 BHP)

IMO Tier II

Download

Download

Model

Cummins 6CTA8.3-M205

Power

151 kW (205 BHP)

Emission

IMO Tier II

Datasheet

Drawing

Download

Service Manual

Download

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