Model Features
The V46 marine engine adopts the domestic electronically controlled high-pressure common rail system, which meets the national II emission of marine engines. It is developed in combination with the technical characteristics of marine engines and is an ideal power source for the main engine of small boats.
Fuel System
> Electronically controlled high pressure common rail system, good atomization, sufficient combustion, fast transient speed regulation and small fluctuation, safe and reliable.
Oil system
> The machine is equipped with auxiliary components such as filter, filter, oil cooler, etc. to ensure the reliable operation of the system.
Cooling water system
> "Water-cooled exhaust pipe + heat exchanger" module integrated design, using cast iron casing, strong anti-corrosion ability, wet vortex post-cooling pipe, effectively reducing exhaust temperature.
Intake and exhaust system
> Turbocharger technology, sufficient intake air, integrated design of "intake pipe + intercooler" module, increase intake air density, full combustion, and environmentally friendly emissions.
Electrical System
> Electric starter motor, ECU, vehicle wiring harness, remote instrument, speed, oil pressure, water temperature, boost pressure and other related sensors,
Gas red body, cylinder head
> Alloy cast iron with high degree of strengthening.
Crankshaft, Piston, Connecting Rod
> Integral crankshaft, sliding bearing, small size, light weight, compact structure and high reliability.
> Aluminum alloy piston; adopts internal cooling oil channel structure, cooling spray hook for oil spray cooling, effectively reduces temperature and improves reliability; connecting rod is made of alloy steel material, high explosion pressure design, high safety factor, to ensure the reliability of key moving parts .
Model | YCD4C33C6-300 |
Horsepower (Hp) | 278 |
Rated power(Kw/Ps) | 205(278) |
Rated speed（r/min） | 2900 |
Intake method | supercharged Intercooled |
Fuel System | Electronic control common rail |
Connection size | Flywheel SAE11.5, flywheel housing SAE2 |
Cylinders - Bore x Stroke (mm) | 4-108x125 |
Weight（kg） | 590 |
980x926x871 | |
Displacement (L) | 4.58 |
Min.specific fuel consumption (g/kWh) | W192 |
Specific oil consumption (g/kWh) | W0.5 |
Engine oil capacity (L) | 12 |
Crankshaft rotation direction (see from power output | Counterclockwise (towards the power output) |
Min.steady working speed (r/min) | 600~ 650 |
Starting mode | Electric start |
Matched reduction gearbox | Jiangnan LQ100 |
Type | Vertical, inline, water-cooled, four-stroke |
Certificate/Emission | CCS,ZC/National II |
TSD Diesel Inboard vs Gasoline Outboard
Diesel has a high flash point, is not easy to burn, and is safer.
Fuel types more compliant with government requirements and easier to buy.
Higher fuel efficiency and economy, durability.
The initial purchase cost is high, but the maintenance cycle is long and the user operating cost is low.
Greener and emits less CO2 than gasoline
Gasoline has a lower flash point and has a higher chance of an accidental explosion.
More and more government directives require that government ships in the fields of defense, navy, etc., transition from gasoline engines to diesel engines.
Fuel consumption of the same horsepower is about 40% higher than that of diesel outboards.
Low initial acquisition cost and high long-term operating cost.
More carbon dioxide and pollutants.
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