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Weichai 6170 Series Marine diesel Engine (258-735kW)

The X170ZC series marine diesel engines (including the X6170ZC and 8170ZC series) are developed based on the original 170Z series through further optimized design and quality improvements. These 6-cylinder and 8-cylinder engines have a power range of 258–735 kW (350–1000 HP) and a speed range of 1000–1500 rpm. They are widely suitable for offshore and inland fishing vessels, transport ships, and engineering vessels.

Parameter:

Type

Four-stroke, water cooled, in-line, turbocharged and aftercooledNumber of cylinders6 / 8
Bore & stroke170×200 (mm)Displacement27.24 L / 36.32 L
Oil consumption rate≤0.5 g/kW.hNoise≤105 dB(A)
Minimum fuel consumption rate197 g/kW.hIdle speed450-650 r/min
Torque reserve20-34%Rotation
(facing the flywheel)
Counter-clockwise
Dimensions L×W×H) / net weightL6 2463×1200×1650 (mm) / 3100kg
L8 2650×1040×1818 (mm) / 3800kg

 

SeriesModelAspirationRated power kW/PsSpeed 
r/min
Fuel systemEmissionPower rating
X6170X6170ZC350-1TA258/3501000Mechanical pumpIMO ⅡP1
X6170ZC408-1TA300/4081000Mechanical pumpIMO ⅡP1
X6170ZC450-1TA330/4501000Mechanical pumpIMO ⅡP1
X6170ZC480-2TA353/4801200Mechanical pumpIMO ⅡP1
X6170ZC540-2TA397/5401200Mechanical pumpIMO ⅡP1
X6170ZC620-2TA456/6201200Mechanical pumpIMO ⅡP1
X6170ZC650-2TA478/6501200Mechanical pumpIMO ⅡP1
X6170ZC580-3TA426/5801350Mechanical pumpIMO ⅡP1
X6170ZC680-3TA500/6801350Mechanical pumpIMO ⅡP1
X6170ZC620-5TA456/6201500Mechanical pumpIMO ⅡP1
X6170ZC550-5TA404/5501500Mechanical pumpIMO ⅡP1
X6170ZC756-5TA556/7561500Mechanical pumpIMO ⅡP1
X6170ZC818-5TA601/8181500Mechanical pumpIMO ⅡP1

Product description

Safe and reliable

  • High strength engine block, crankshaft and connecting rod ensure that the overhaul period of diesel engine is not less than 20000h
  • The high-flow lubrication system with filtering before cooling and the high-efficiency cooling system are modularized and designed with one block and one head, which ensure the reliability of diesel engine parts and the convenience of use and maintenance
  • Replace the filter without stopping

Strong power

  • The shapes of high-pressure oil pump, turbocharger, injector, air valve and combustion chamber are reasonably and optimally matched, with wide power coverage and large torque reserve (more than 30%), which makes its power performance index rank at a leading position among similar products

Economical and fuel-efficient

  • The engines are featured by four-valve technology, pulse conversion turbocharger, large intake air volume, sufficient combustion, wide economic operation range, and the lowest fuel consumption rate can reach 197g/kW•h
  • Customized design for lower fuel consumption

Comfortable and environmentally friendly

  • The design of key components is strengthened, so that the vibration index of the products reaches Grade A of the 11 grades, and the noise index is 5dB lower than that of similar products, reaching the leading level of the world

Strong practicability

  • The unique Yuanhangbao monitoring system can monitor the speed, water temperature, oil temperature, oil pressure and other parameters of a diesel engine in real time. When the parameters of the diesel engine exceed the limit, it can automatically alarm and stop the engine, and the addition of stormy wave mode ensures that the ship engine will not stop at critical moments such as stormy wave

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