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Yuchai high-speed boat engine V25 series

Model:
V25
Brand:
TSD

Availability:

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Product Description

Model Features

The V25 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.

V25

Fuel System

> Electronically controlled high-voltage common rail system, strong power, fast response, safe and reliable.

Oil system

> Auxiliary parts such as belt filter, filter and oil cooler are used to ensure the reliable operation of the system.

Cooling water system

> The seawater and fresh water heater adopts cast Weilu cover and cast copper end cover, which has strong anti-corrosion ability.

Intake and exhaust system

> Adopt turbo booster technology to ensure sufficient intake air; adopt water-to-air intercooler technology to increase intake air density to ensure sufficient combustion and environmental protection.

Electrical System

>Electric starting motor, ECU, vehicle wiring harness, remote instrumentation, and related sensors such as speed, oil pressure, water temperature, and boost pressure are used.

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, high reliability, overhaul period of more than 10,000 hours.

> 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 .

Mode	YCD4V33C6-105	YCD4V33C6-135
Horsepower (Hp)	90	105
Rated power (Kw/Ps)	70(95)	91(125)
Rated speed（r/min）	3000	3400
Intake method	supercharged Intercooled	supercharged Intercooled
Fuel System	Electronic control common rail	Electronic control common rail
Connection size	Flywheel SAE10, Flywheel housing SAE4	Flywheel SAE10, Flywheel housing SAE4
Cylinders - Bore x Stroke (mm)	4-89x100	4-89x100
Weight （kg）	300	300
L×W×H （mm）	730x630x660	730x630x660
Displacement (L)	2.50	2.50
Min.specific fuel consumption (g/kWh)	W200	W200
Specific oil consumption (g/kWh)	W0.5	W0.5
Engine oil capacity (L)	5.5	5.5
Crankshaft rotation direction (see from power output end)	Counterclockwise (towards the power output)	Counterclockwise (towards the power output)
Min.steady working speed (r/min)	600-650	600-650
Type	Vertical, inline, water-cooled, four-stroke	Vertical, inline, water-cooled, four-stroke
Matched reduction gearbox	Jiangnan LQ85	Jiangnan LQ85
Starting mode	Electric start	Electric start
Certificate/Emission	CCS, ZC/ National II	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.

TSD surface drives

speed boat engine main engine parts Yuchai diesel engine ship engine parts marine electric propulsion system marine diesel engine marine electric motor Ship Engine Diesel Electric Engine Ship Propulsion Motor Marine

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Yuchai high-speed boat engine V25 series

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