Details
Weichai X6170ZC450-2 Marine Propulsion Engine (450 HP / 330 kW)
The Weichai X6170ZC450-2 marine engine is a proven medium-speed propulsion engine developed for commercial marine operations that require reliable power, economical fuel consumption, and long service life. Rated at 450HP (330kW) at 1000RPM, this six-cylinder marine diesel engine belongs to the renowned Weichai 6170 marine series and is widely used in fishing vessels, workboats, coastal transport vessels, and small cargo ships.
As an experienced marine engine supplier, HekoPower provides genuine Weichai X6170ZC450-2 marine engines, technical support, spare parts supply, and export services for shipowners, shipyards, and marine equipment distributors worldwide.
Tech Specs of Weichai X6170ZC450-2
General Engine Data
Engine Model: Weichai X6170ZC450-2
Cylinder Count: 6 / 8 Cylinders in Line
Engine Type: 4-stroke, water cooled, in-line, turbocharged and aftercooled
Total Engine Displacement: 27.24 L / 36.32 L
Bore * Stroke: 170×200 (mm)
Dimensions L×W×H) / net weight: L6 2463×1200×1650 (mm) / 3100kg; L8 2650×1040×1818 (mm) / 3800kg
Key Performance Data
Rated Power: 330 kW / 450 HP
Rated Speed: 1200 RPM
Idle Speed: 450-650 RPM
Minimum fuel consumption rate: 197 g/kW.h
Oil consumption rate: ≤0.5 g/kW.h
Torque reserve: 20-34%
More Technical Data
Certification: IMO Tier II
Aspiration: turbocharged and aftercooled
Starting system: Gas/Electrical
Rotation(facing the flywheel) : Counter-clockwise
Fuel system: Mechanical pump
Power rating: P1
Noise: ≤105 dB(A)
Comprehensive Technical Comparison
Heavy Duty Versus Light Duty Application Variants
Understanding how the Weichai 170 series marine engine performs across different operational profiles prevents premature wear. The X6170ZC450-2 is engineered primarily as a continuous, medium speed marine diesel engine 450HP variant optimized for a steady 1000RPM power band.
When compared to higher RPM light-duty models in the Weichai 6170 marine series, the 1000RPM marine propulsion engine configuration utilizes a heavier, counterweighted crankshaft and thicker cylinder walls. This increased thermal mass allows the engine to run at full load for 24-hour cycles without experiencing the heat distortion common in lightweight, high-velocity engines.
High-speed light-duty alternatives may offer more immediate throttle response, but they lack the sustained torque backup needed for heavy displacement hulls under adverse sea conditions.
Mechanical Injection Versus Electronic Common Rail Systems
While modern electronic control systems are common in recreational boating, commercial fleet operators choose the Weichai X6170ZC450-2 marine engine because it retains a highly reliable, heavy-duty mechanical injection system.
Electronic common-rail engines are vulnerable to fine particulate contamination and electrical short circuits caused by saltwater exposure. In contrast, the mechanical fuel injection system on this 330kW marine propulsion diesel engine functions independently of complex wiring harnesses.
This pure mechanical reliability ensures that minor fuel impurities do not trigger automatic engine shutdowns or safe-mode power limitations while navigating open waters. For global shipping lines and remote fishing operations, this design ensures that basic mechanical troubleshooting is all that is required to keep the vessel moving.
Real Application Scenarios and Hull Performance
Deep Sea Trawler Boat Operations
For commercial fishing crews, engine failure during net deployment can lead to major financial losses or dangerous structural strain on the vessel. Operating as a dedicated propulsion engine for trawler boat fleets, the X6170ZC450-2 delivers a high torque backup margin exceeding 30 percent.
When pulling heavy, waterlogged bottom trawls through heavy ocean currents, the engine maintains steady speed without lugging or raising exhaust gas temperatures. The 1000RPM operating speed matches perfectly with heavy-duty marine gearboxes, enabling efficient power delivery to large-diameter, fixed-pitch propellers. This specific setup provides the continuous bollard pull necessary to keep heavy fishing gear stable.
Inland and Coastal Cargo Vessels
Inland waterways and coastal routes demand a balanced propulsion solution for small cargo ship hulls that face variable depths and narrow channels. The Weichai 450HP marine diesel engine provides the exact power-to-displacement ratio required to push loaded barges and coastal transport vessel designs through shallow waters without excessive hull vibration.
Because the Weichai X6170ZC450-2 engine dimensions are kept compact despite its 27.24-liter displacement, shipwrights can maximize cargo hold volume while keeping the engine room spacious enough for comfortable daily checks.
Heavy Industrial Workboats and Tug Services
Industrial workboats encounter frequent load shifts, changing rapidly from idling speeds to maximum power output during towing maneuvers. The X6170ZC450-2 marine diesel engine for workboat deployment utilizes a pulse-conversion turbocharger that reacts swiftly to sudden throttle adjustments.
This layout eliminates turbo lag, providing immediate power to the propeller shaft when maneuvering large ships in tight harbors or stabilizing industrial pontoons near construction zones.
Maintenance Guidelines and Spare Parts Replacement
Critical Wear Component Intervals
Sustaining the maximum lifecycle of your investment requires strict adherence to the Weichai X6170ZC450-2 maintenance manual. Lubricating oil and primary oil filters require replacement every 250 operating hours to protect the internal bearing surfaces from soot accumulation.
The primary fuel filters and air intake elements should be changed every 500 hours, especially when operating in dusty coastal environments or utilizing variable-quality fuel.
Every 1,000 hours, a certified marine mechanic must inspect and adjust the valve clearances and monitor the spray patterns of the fuel injection nozzles to keep the fuel consumption rate optimized.
Correct Cylinder Component Maintenance
To prevent costly mid-season overhauls, operators must closely monitor the performance of individual cylinder assemblies. The Weichai 170 series cylinder liner features a wet-type layout exposed directly to cooling water loops. If zinc anodes are not replaced regularly, galvanic corrosion can compromise the outer liner walls, leading to coolant entering the oil sump.
When performing a mid-life top-end service, always inspect the cylinder liner for vertical scoring marks and evaluate the ring land wear on the pistons. Replacing worn components early using a genuine Weichai 6170 piston kit supplier prevents blow-by gases from diluting the crankcase oil supply.
Sourcing Authentic Overhaul Components
As an experienced Weichai engine distributor, HekoPower maintains a complete inventory of genuine Weichai marine spare parts to support your fleet. When an engine approaches its 20,000-hour major service milestone, using third-party component alternatives can compromise structural reliability.
Every component included in our Weichai marine engine overhaul kit—from main crankshaft bearings and cylinder head gaskets to specialized valve guides—is precision-manufactured to match factory tolerances. Keeping a small stock of essential Weichai 6170 engine spare parts on board ensures your crew can perform quick repairs at sea and avoid extended delays in port.
Weichai X6170ZC450-2 Procurement Options
As an authorized China Weichai marine engine supplier and global exporter, HekoPower streamlines international logistics for shipyards and commercial vessel operators. When you choose to buy Weichai X6170ZC450-2 systems through our distribution network, you receive full access to official documentation, including factory test logs and certification paperwork.
Our team provides transparent data regarding the Weichai X6170ZC450-2 engine price and lead time, ensuring your vessel repowering project or new build stays strictly on schedule. Whether you require a single propulsion unit for a fishing vessel or a large wholesale order for a commercial fleet project, HekoPower manages every step from initial ordering to customs clearance and final transport.
Weichai WP10 series marine diesel engine, original products from Weichai. This series mainly includes WP10C313-21, WP10C350-18, WP10C375-21, WP10C395-22.
Product Frequently Asked Questions
What is the exact Weichai X6170ZC450-2 fuel consumption rate under full load conditions?
At rated power output, the minimum fuel consumption rate is less than or equal to 197 g/kW·h. Actual daily fuel consumption varies based on your choice of marine gearbox ratio and propeller configuration, but the mechanical governor ensures highly efficient fuel mapping throughout standard cruising speeds.
Is the Weichai X6170ZC450-2 compliant with international maritime emissions regulations?
Yes, this Weichai marine propulsion engine carries official certification confirming full IMO Tier II compliance. This configuration meets regional emission standards for commercial workboats and fishing vessels operating in international waters.
Can HekoPower supply a complete technical Weichai X6170ZC450-2 specifications PDF?
Yes. As an established Weichai X6170ZC450-2 supplier, HekoPower provides complete technical data books, installation blueprints, and digital documentation to support marine architects during structural integration planning.
What is the standard lead time for global delivery from a Weichai marine engine exporter?
Lead times vary depending on our current warehouse inventory and factory production schedules. Standard stock configurations can be prepared for international shipment within 15 to 30 days, while custom engine options or specific gearbox matches may require additional production time.
Why should I source genuine Weichai marine diesel engine components instead of aftermarket options?
Genuine parts are built using identical metallurgy and manufacturing tolerances as the factory-installed elements. Using aftermarket parts often leads to premature component wear, increased fuel usage, and can void your manufacturer warranty protection.
What accessories are included in a standard Weichai marine engine overhaul kit?
Our factory-certified overhaul kits contain all essential components for a complete engine refresh, including cylinder liners, complete piston kits with rings, main bearings, connecting rod bearings, a full engine gasket set, and intake and exhaust valves.
