Weichai X170ZC Marine Diesel Engine Series (258-601kW)

Item No.: Weichai X170ZC Marine Diesel Engine Seri
Weichai X170ZC marine diesel engine series (including 6170ZC series and 8170ZC series) is a 6-cylinder or 8-cylinder engine developed on the basis of the original 170Z series by further optimization of design and quality improvement. It can be widely used

Weichai X170ZC Marine Diesel Engine Series (258-601kW)


Product parameters


Series 4-Stroke、water cooling、In-Line、Dry cylinder sleeve Number of cylinders 6/8
Cylinder Diameter/Stroke 170×200mm Displacement 27.24/36.32L
specific lub-oil consumption 197g/kW·h Oil consumption 1.0g/ kW·h
Start Mode Gas start/Electric start Idling 500±50r/min
Firing Order 1-5-3-6-2-4 Left1-4-2-6-3-5Right Smoke intensity ≤1.0Rb
Noise ≤116dB(A) Emission standard IMO TIER II

Crankshaft rotation direction

(towards free end)



Product Spectrum


Model Air intak Rated Power(kW/Ps) Speed(r/min)
X6170ZC408-1 Supercharged and cold 300/408 1000
X6170ZC450-1 Supercharged and cold 330/450 1000
X6170ZC450-2 Supercharged and cold 330/450 1200
X6170ZC480-2 Supercharged and cold 353/480 1200
X6170ZC520-2 Supercharged and cold 382/520 1200
X6170ZC540-2 Supercharged and cold 397/540 1200
X6170ZC580-3 Supercharged and cold 426/580 1350
X6170ZC600-3 Supercharged and cold 441/600 1350
X6170ZC620-4 Supercharged and cold 456/620 1500
8170ZC600-1 Supercharged and cold 441/600 1000
8170ZC720-2 Supercharged and cold 530/720 1200
8170ZC818-3 Supercharged and cold 601/818 1350
X6170ZC350-1 Supercharged and cold 250/350 1000
X6170ZC540-3 Supercharged and cold 397/540 1350


Remarks: Product parameters and portfolio are for reference only. For fishing vessel engine portfolio, please contact relevant personnel for official information.

Product Features

  • Powerful: Optimized turbocharger, high-pressure fuel pump and fuel injector, with wide power coverage, larger torque reserve and high torque at low speed better for various working conditions.
  • Low fuel consumption: pulse conversion turbocharger makes combustion more adequate and fuel consumption lower, with wider low fuel consumption work area. Through the optimization of the oil seals, the oil consumption is reduced by 45%.
  • Fast start: The compression ratio is accurately calculated, and the high-power starter allows the engine to have stable idle speed and excellent low-temperature starting and acceleration performance.
  • High reliability: high-strength QT800 integral crankshaft, large-flow oil pump, oil is filtered first and then cooled to ensure reliable performance of diesel engine, less tube and split head design ensure the reliability and maintenance of the engine.

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