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Weichai X6170ZC450-1 Marine Engine: The Ultimate 450HP Heavy-Duty Propulsion Workhorse for Commercial Fleets
The Weichai X6170ZC450-1 marine engine is a reliable medium-speed marine propulsion solution developed for commercial vessels that require stable power output, long service life, and economical operating costs. Rated at 450HP (330kW) at 1000RPM, this engine belongs to the proven Weichai 170 series platform and is widely used in fishing boats, inland cargo vessels, engineering ships, transport barges, and coastal workboats.
As a genuine Weichai marine propulsion engine, the X6170ZC450-1 combines a large-displacement 27.24L engine block, robust mechanical fuel injection system, turbocharged air intake, and IMO Tier II emission compliance. These features allow operators to achieve dependable performance even under continuous heavy-load operating conditions.
HekoPower supplies genuine Weichai marine engines, complete spare parts, technical documentation, and worldwide export services for shipowners, fleet operators, and marine equipment distributors.
Tech Specs of Weichai X6170ZC450-1
General Engine Data
Engine Model: Weichai X6170ZC450-1
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: 1000 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)
Technical Comparisons: Why the X6170ZC450-1 Outperforms Competitors
When evaluating options from a global Weichai boat engine supplier, buyers often weigh the X6170ZC450-1 against competitive blocks like the Cummins KTA19-M or the Yuchai YC6CL. The X6170ZC450-1 holds strong structural advantages in heavy commercial maritime use.
Displacement and Torque Advantage Over High-RPM Blocks
While the Cummins KTA19 operates at 19 liters of displacement, the Weichai 6170 marine engine utilizes a much larger 27.24L displacement chamber. This structural variance means the Weichai engine does not rely on aggressive turbocharger boost or high engine speeds to generate its 450 horsepower.
The immediate benefit is a massive torque reserve at low RPM. When a vessel fights a headwind or tows a heavy trawl, the Weichai block maintains its rotational speed without bogging down, giving captains superior handling control in tight channels or rough coastal environments.
Mechanical Simplicity vs. High-Pressure Electronic Injection
Modern emission standards have forced many engine manufacturers to transition completely to electronic unit injectors. While electronic engines provide minor fuel advantages during variable speeds, they introduce critical single-point failures via complex wire harnesses and ECUs that rust in salty marine air.
The Weichai X6170ZC450-1 marine engine relies on a proven mechanical governor and inline pump configuration. Any marine mechanic can service this setup with standard tools. For operators running vessels hundreds of miles offshore, this simple serviceability is a vital safety factor that far outweighs the electronic bells and whistles of competitive brands.
Real-World Application Scenarios Across Commercial Fleets
The versatile power delivery profile of this Weichai marine propulsion engine makes it the ideal primary mover for several distinct maritime sectors. HekoPower exports this specific model to diverse working fleets globally.
Powering Modern Trawler and Deep-Sea Fishing Vessels
The X6170ZC450-1 is highly suited for fishing vessels and trawler applications. These boats require an engine that can idle for hours while deploying nets, then immediately transition to full power to pull heavy catches against ocean currents.
The integrated four-valve design and pulse-conversion turbocharger keep the X6170ZC450-1 fuel consumption optimized even during these extreme load transitions, helping commercial fishing operations control their single largest operating cost: diesel fuel.
Reliable Propulsion for Inland River and Cargo Transport
Inland river vessels and transport ships require constant, reliable power to push heavy barges upstream against strong river currents. The Weichai cargo ship diesel engine variant excels here by providing stable thermal regulation.
Its fresh-and-saltwater dual-loop cooling system prevents internal scaling and overheating, allowing cargo operators to run their vessels continuously for days at a time without stopping for thermal cool-downs.
Heavy Duty Performance for Engineering and Coastal Workboats
From harbor tugs to coastal engineering vessels, workboats need an engine that can handle sudden shifts from forward to reverse thrust. The balanced nodular iron crankshaft of this Weichai marine main engine absorbs these driveline shocks seamlessly.
The engine’s responsive air-intake system matches fuel delivery to immediate loads, preventing black smoke during sudden acceleration and keeping your vessel compliant with port authority regulations.
Lifecycle Maintenance, Overhaul Planning, and Spare Parts Support
Maximizing your return on investment requires a proactive maintenance philosophy. The X6170ZC450-1 is engineered for long-term durability, but component longevity depends on strict adherence to factory-recommended service milestones.
Understanding the 20,000-Hour Overhaul Lifecycle
The official Weichai 6170 overhaul interval hours are rated at a substantial 20,000 hours of operation before requiring a major structural rebuild. This long B10 service life is achieved via wet cylinder liners that distribute heat evenly and prevent piston scuffing.
When you do reach this milestone, HekoPower provides comprehensive overhaul kits, including liners, oversized bearings, and complete gasket sets, allowing you to restore the engine back to factory-zero tolerances without buying a whole new block.
Mid-Life Component Maintenance Intervals
Between major overhauls, routine service keeps the engine running efficiently. The Weichai X6170ZC450-1 maintenance interval requires oil and fuel filter replacements every 250 to 500 operating hours, depending on fuel quality.
Valve clearances should be inspected and adjusted every 2,000 hours to maintain proper air intake and exhaust timing. Additionally, the mechanical fuel injectors should be bench-tested and calibrated every 3,000 hours to prevent fuel droplets from washing down the cylinder walls and causing premature piston ring wear.
Securing Genuine Weichai 170 Series Spare Parts Fast
An engine is only as reliable as its supply chain. HekoPower maintains a massive inventory of genuine Weichai 170 series spare parts to ensure your boat spends its time working, not waiting at the dock.
From replacement mechanical fuel injection pumps and freshwater cooling pumps to specific seals and cylinder heads, we expedite parts shipments globally to minimize unexpected downtime. Purchasing authentic components protects your engine warranty and safeguards against the rapid wear common with generic aftermarket imitations.
Purchasing Guide: Wholesale Pricing, Lead Times, and Global Logistics
As a dedicated China Weichai marine engine exporter, HekoPower simplifies the procurement process for international shipyards, fleet operators, and maritime engineering firms. We maintain a reliable supply pipeline to provide competitive wholesale pricing on complete propulsion packages.
Factory Direct Procurement and Global Order Lead Times
When you buy a Weichai X6170ZC450-1 marine engine from HekoPower, you escape intermediate distributor markups. Our deep connection with the manufacturing base allows us to offer the best possible Weichai marine engine wholesale price structures.
The typical Weichai X6170ZC450-1 lead time ranges from 30 to 45 days for standard production configurations, including rigorous factory dyno-testing and class certification approvals. For urgent vessel-down situations, we can often source units faster from our reserved inventory allocations.
Standard Export Packaging and Technical Marine Documentation
Every propulsion engine shipped by HekoPower undergoes rigorous export prep. We secure the engine on heavy steel shipping skids and seal the entire block in anti-corrosion VCI shrink wrap to block ocean moisture during transit.
The engine ships enclosed in robust, export-grade wooden crates. Along with the physical engine, we provide a complete documentation package including the Weichai X6170ZC450-1 specifications sheet, official factory testing logs, and the original IMO Tier II compliance certificates required by international port authorities for vessel registration.
Weichai WP10 series marine diesel engine, original products from Weichai. This series mainly includes WP10C313-21, WP10C350-18, WP10C375-21, WP10C395-22.
Frequently Asked Questions Regarding the Weichai X6170ZC450-1
What is the exact fuel consumption of the Weichai X6170ZC450-1?
The minimum fuel consumption of the X6170ZC450-1 is rated at less than or equal to 197 g/kW·h at full rated power. Under typical operating conditions at 80% load, the engine consumes roughly 65 to 70 liters of diesel fuel per hour. This high efficiency is achieved via a pulse-conversion turbocharging system that optimizes air-fuel mixing across the entire power curve.
Is the Weichai X6170ZC450-1 suitable for fishing vessels?
Yes, this engine is highly suited for fishing vessels, particularly mid-sized trawlers, longliners, and crabbers. The heavy 27.24-liter displacement provides the high low-end torque needed to tow heavy nets and gear through rough water without stalling or overloading the engine's thermal cooling systems.
What are the precise Weichai 450HP marine engine dimensions?
The baseline Weichai X6170ZC450-1 dimensions are 2463 mm in length, 1200 mm in width, and 1650 mm in height, with a net dry weight of approximately 3,100 kg. However, the final footprint can vary slightly depending on your choice of matching marine gearbox, heat exchanger layout, and exhaust silencing configuration. HekoPower provides exact installation drawings prior to shipment to ensure a smooth drop-in fit during your repower or installation.
Does this engine feature the Weichai marine engine with stormy wave mode?
Yes, the X6170 platform incorporates Weichai's proprietary Stormy Wave Mode technology. This mechanical and safety override system ensures that if the vessel encounters dangerous sea states, the engine prioritizes continuous propulsion over minor sensor faults. It prevents unexpected emergency shutdowns from non-critical sensor readings when losing power could put the safety of the vessel and crew at risk.
What emission standards does this engine meet?
The Weichai X6170ZC450-1 is fully compliant with the Weichai IMO Tier II engine emission standards. This certification makes it suitable for commercial vessels operating internationally across global waterways, ensuring smooth compliance with standard maritime environmental inspections.
How does HekoPower ensure Weichai X6170ZC450-1 spare parts availability?
We maintain a dedicated warehouse filled with genuine Weichai 170 series spare parts. Because we are an active exporter of whole engines, we prioritize long-term parts support for our clients. We offer express air freight options for critical items like injectors, gaskets, and pumps to get your vessel back in operation as quickly as possible.
