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Weichai 8170 Series Marine Diesel Engine 

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 aftercooled
Number of cylinders
8
Bore & stroke
170×200 (mm)
Displacement
36.32 L
Oil consumption rate
≤0.5 g/kW.h
Noise
≤105 dB(A)
Minimum fuel
consumption rate
197 g/kW.h
Idle speed
450-650 r/min
Torque reserve
20-34%
Rotation
(facing the flywheel)
Counter-clockwise
Dimensions L×W×H) / net weight
2650×1040×1818 (mm) / 3800kg
Series
Model
Aspiration
Rated power
kW/HP
Speed
r/min
Fuel system
Emission
Power
rating

8170

8170ZC600-1
TA
441/600
1000
Mechanical pump
IMO Ⅱ
P1
8170ZC720-2
TA
530/720
1200
Mechanical pump
IMO Ⅱ
P1
8170ZC818-3
TA
601/818
1350
Mechanical pump
IMO Ⅱ
P1
8170ZC900-3
TA
661/900
1350
Mechanical pump
IMO Ⅱ
P1
8170ZC900-5
TA
661/900
15000
Mechanical pump
IMO Ⅱ
P1
8170ZC1000-5
TA
735/1000
1500
Mechanical pump
IMO Ⅱ
P1

Product Features

 
STRONG POWER AND EFFICIENT OUTPUT
High power density and torque reserve: Diesel engines are the mainstream models with stable torque output, suitable for different speed requirements such as ocean-going cargo ships and high-speed warships. The design can meet the 24-hour continuous full-load operation, with a major overhaul cycle of up to 20,000 to 30,000 hours, making it suitable for long-distance ocean shipping operations.
 
 
FUEL ADAPTABILITY
Low fuel consumption rate: The thermal efficiency of diesel engines can reach 40%-55%, and the fuel consumption rate of low-speed engines is as low as 160g/kWh, which is more economical than gas turbines. Flexible fuel adaptation: It can be customized to adapt to heawy oil, diesel, LNG, methanol, and other fuels, reducing operating costs while meeting the demands of energy transition.
 
ENVIRONMENTAL ADAPTABILITY
The shell is made of a corrosion-resistant alloy, and the key components have undergone moisture-proof and salt spray protection treatment, adapting to the high-humidity and high-salt environment of the ocean. Customizable low-temperature start system and high-temperature heat dissipation enhancement device to meet the navigation requirements in extreme sea areas such as polar and tropical regions.
 
TECHNOLOGICAL INNOVATION
Digital monitoring system: Integrating sensors and doud management platform, it monitors parameters such as pressure and temperature in real time, and supports fault early warning and energy consumption analysis. Hybrid power integration: The diesel-electric hybrid system can be driven by electricity at low speeds, reducing emissions and recovering braking energy. thereby improving energy utilization efficiency.

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