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High-performance Isuzu 6BG1TCX marine diesel engine rated at 285 PS, supplied with a Nico marine gearbox featuring a 3.45:1 reduction ratio. An excellent propulsion package for commercial fishing vessels, workboats, patrol boats, passenger vessels, and other marine applications requiring dependable power and strong low-speed propeller performance.
SKU: SF-2443-4I3G
Categories: Engine
The Isuzu 6BG1TCX is a proven heavy-duty diesel engine platform recognized for its robust construction, dependable operation, and suitability for demanding applications.
This unit is offered as a 285 PS marine propulsion engine complete with a Nico marine gearbox, providing a practical and powerful propulsion solution for vessel owners, boat builders, and marine engineering professionals.
The 3.45:1 gearbox reduction ratio is particularly suited to applications where the engine's high-speed output needs to be converted into appropriate propeller RPM and increased propeller shaft torque. Correct propeller matching and vessel-specific calculations should always be carried out before installation.
The 6BG1 engine family has a strong reputation for durability and serviceability. Its inline-six architecture provides smooth power delivery and a relatively straightforward mechanical layout, making it attractive for marine operators who value reliability, maintainability and readily available diesel-engine service expertise.
Combined with the Nico gearbox, this package can provide a strong foundation for a professionally engineered marine propulsion system.
The included Nico marine gearbox with a 3.45:1 reduction ratio reduces engine speed before transferring power to the propeller shaft.
This reduction allows the propulsion system to operate with a propeller selected for the vessel's hull characteristics, operating load and desired cruising speed.
Important: Gearbox ratio alone does not determine the correct propeller. Final propeller selection should be based on the engine's rated RPM, gearbox output RPM, vessel displacement, hull design, shaft diameter, propeller clearance, pitch, diameter and intended operating profile.
This 285 PS propulsion package is suitable for:
Before purchasing or installing the engine, a qualified marine engineer should verify:
Proper installation and engine–gearbox–propeller matching are essential for achieving the expected performance, fuel economy and engine life.
Isuzu 6BG1TCX – 285 PS
Nico Marine Gearbox – 3.45:1
Availability: Available – Limited Unit
Contact us for:
If you are replacing an existing marine engine, provide us with your vessel length, beam, displacement, existing engine power/RPM, gearbox ratio, propeller diameter & pitch, and vessel's current speed. Our marine engineering team can help assess whether this 285 PS package is appropriate for your application.
Power your vessel with a proven diesel platform — engineered correctly, installed professionally, and matched to the right propulsion system.
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