Details
Weichai 12WH17C1564-5 Marine Propulsion Engine: The Ultimate 1150kW Medium Speed Power Solution
As a premier global marine main engine supplier and dedicated Weichai marine engine distributor, HekoPower is proud to present the high-performance Weichai 12WH17C1564-5 diesel engine. Engineered to meet the rigorous demands of modern commercial navigation, this heavy-duty power plant balances intense structural endurance with cutting-edge thermodynamic efficiency.
Co-developed alongside global powertrain engineering leaders, the Weichai 12WH17 series diesel engine platform stands out as a triumph of high-power density. The Weichai 12WH17C1564-5 model specifically delivers a robust 1150 kW (1564 Ps / 1564 hp marine engine rating) at a rated speed of 1500 r/min. Whether you are looking for a reliable fishing boat propulsion engine, a relentless commercial vessel diesel engine, or an efficient power unit for an offshore support vessel engine, this model represents the absolute pinnacle of China's marine manufacturing capability.
Tech Specs of Weichai 12WH17C1564-5
General Engine Data
Engine Model: Weichai 12WH17C1564-5
Cylinder Count: 12 Cylinders in Line
Engine Type: 4-stroke, water cooled, in-line, turbocharged and aftercooled
Total Engine Displacement: 54.48 L
Bore * Stroke: 170×220（mm）
Net weight: 5300 kg
Overall Dimension: 2256×1331×1856 (mm)
Key Performance Data
Rated Power: 1150 kW / 1564 HP
Rated Speed: 1500 RPM
Idle Speed: 650±30 RPM
Minimum fuel consumption rate: ≤200 g/kW.h
Oil consumption rate: ≤0.3 g/kW·h
More Technical Data
Certification: IMO Tier II / China Stage II Inland Marine
Aspiration: turbocharged and aftercooled
Starting system: Electrical
Rotation(facing the flywheel) : Counter-clockwise
Fuel system: HPCR
Power rating: P1
Noise: ≤111 dB(A)
Technical Architecture & Core Performance Engineering
High-Pressure Common Rail (HPCR) Technology
The heart of the Weichai 12WH17C1564-5 electronically controlled common rail engine lies in its premium fuel delivery framework. As a specialized electronic common rail marine engine, it utilizes a micro-processor-managed fuel injection system that decouples injection pressure from engine speed.
By maintaining ultra-high atomization pressures directly within the rail, the Weichai HPCR marine engine delivers multi-stage injection tailoring. This results in uniform flame propagation, minimal mechanical stress on the pistons, and exceptionally quiet running characteristics.
Advanced 4-Turbo Charger Configuration
One of the most notable features listed in the Weichai 12WH17C1564-5 datasheet is its innovative intake architecture. The unique 4 turbo configuration marine engine fuel consumption optimization scheme divides the exhaust gas pulses of the 12 cylinders into dedicated pathways.
This pulse supercharging dynamic drastically reduces standard single-turbo lag. Even at 50% of its rated speed, this Weichai 12-cylinder marine engine generates over 115% of its rated torque. It ensures rapid vessel acceleration, precise maneuvering in heavy seas, and a highly responsive throttle profile.
Eco-Friendly Compliance and Efficiency Metrics
In an era of shifting global maritime regulations, compliance is non-negotiable. The Weichai IMO II marine engine certification ensures that your fleet meets international nitrogen oxide emission thresholds without relying on complex, costly exhaust after-treatment systems.
Furthermore, this fuel efficient marine diesel engine delivers an exceptionally low minimum fuel consumption rate of ≤185g/kW·h, accompanied by a tightly managed oil consumption rate of ≤0.3g/kW·h, making it one of the most cost-effective medium speed marine engine assets on the commercial market today.
Comparative Analysis: How Weichai Redefines Marine Power Value
When evaluating a major capital investment for a vessel repower or new build, commercial fleet owners constantly weigh engineering options. As an international Weichai marine engine exporter, HekoPower provides an objective look at how this unit stacks up against global industry standards.
Weichai 12WH17C1564-5 vs. Cummins Marine Engine
While Cummins offers notable high-speed electronic options in the 1500 hp band, the Weichai 12WH17C1564-5 functions as a true Weichai medium speed marine diesel engine. Built with a generous 54.48-liter total displacement, a massive 170mm bore, and a 200mm stroke, the Weichai engine relies on raw structural displacement and structural rigidity to sustain high torque. This contrasts sharply with high-speed alternatives that must run at higher, wear-inducing RPMs to match identical output.
Weichai vs. Baudouin Marine Engine
Moteurs Baudouin shares deep technological and corporate ancestry with Weichai, meaning both brands leverage high-end European design philosophy. However, the Weichai WH17 marine engine series is manufactured at an unmatched scale by a leading China marine engine manufacturer. This massive operational volume gives the 12WH17C1564-5 an aggressive price-to-performance advantage, ensuring significantly lower upfront capital expenditures without compromising build tolerances or material quality.
Weichai vs. CAT Marine Propulsion Engine
Caterpillar marine units are long-standing legacy fixtures in the B2B maritime market, yet their premium price tags and restrictive component ecosystems often squeeze operator margins. The Weichai 12WH17C1564-5 has quickly emerged as the premier Chinese alternative to Caterpillar marine engine models in the 1500 hp class. It matches or exceeds CAT's operational profiles while offering open-market component accessibility and a far lower total cost of ownership (TCO).
Real-World Application Scenarios: Where the 12WH17C1564-5 Excels
The versatility of the Weichai propulsion engine platform makes it an ideal fit across various commercial maritime sectors. HekoPower routinely supplies this unit for specific high-stress duty profiles:
Weichai Engine for Cargo Vessel & Inland Barges
For transport ships operating along heavy river networks or coastal shipping lanes, moving continuous bulk freight requires reliable, consistent torque. The Weichai 1150kW marine diesel engine provides the continuous, uninterrupted P1 heavy-duty propulsion profile required to push heavy payloads against strong currents without thermal fatigue.
Weichai Engine for Fishing Boat & Ocean Trawlers
Deep-sea fishing vessels face unpredictable operating conditions, requiring engines that can handle sudden shifts in load. When deploying heavy trawling nets, the engine must handle sudden torque demands. The 4-turbo pulse system ensures that this fishing boat propulsion engine responds instantly, keeping the vessel stable and under control.
Weichai Engine for Offshore Support Vessel & Engineering Ships
Offshore workboats, tugs, and utility vessels require precise positioning capabilities. Operating as a reliable medium speed diesel engine for workboat operations, the 12WH17C1564-5 interfaces seamlessly with controllable pitch propellers (CPP) and complex marine gearboxes, delivering the steady low-idle performance needed for delicate offshore supply transfers.
Weichai Propulsion Engine for Passenger Ferry
In passenger transport, safety and schedule reliability are critical. The redundant 12-cylinder architecture of this Weichai marine propulsion diesel ensures smooth operation with minimal vibration, improving passenger comfort while maintaining strict transit timelines.
Maintenance Architecture and Lifespan Optimization
Weichai 12WH17C1564-5 Overhaul Interval (TBO)
Built for longevity, this engine boasts a verified Time Between Overhaul (TBO) of 20,000 hours, provided it is maintained according to official HekoPower guidelines. This long service life is achieved through a combination of a rigid crankcase design, laser-textured cylinder liners, and advanced oil-scraping piston ring assemblies.
Essential Preventive Maintenance Tips
- Fuel System Care: Because the electronic common rail marine engine runs at high injection pressures, fuel purity is vital. Always install high-efficiency primary water separators alongside genuine Weichai secondary fuel filters to protect the precision fuel injectors.
- Turbocharger Inspections: Regularly check the 4-turbocharger pulse configuration for carbon buildup. Ensure the intercooler remains free of scale to maintain the dense air charge required for efficient fuel burn.
- Lubrication Maintenance: Maintain a strict oil analysis schedule. Use high-quality marine lubricants that meet Weichai’s exact viscosity and TBN requirements to protect the engine's internal components from sulfur corrosion.
Weichai 12WH17 series marine diesel engine, original products from Weichai. This series mainly includes 12WH17C1224-2, 12WH17C1360-2, 12WH17C1496-2, 12WH17C1564-5, 12WH17C1700-5, 12WH17C1836-5, 12WH17C1972-5, 12WH17C2203-5.
Frequently Asked Questions (FAQ)
How can I buy the Weichai 12WH17C1564-5 marine engine from HekoPower?
As an authorized global supplier, HekoPower makes it easy to purchase equipment. You can connect directly with our sales team via our website to secure an official quotation, arrange logistical shipping, and request custom product configuration packages.
What factors determine the Weichai 12WH17C1564-5 price?
The final cost depends on your choice of optional equipment, such as air vs. electric starting systems, type of marine gearbox matching, custom dashboard controls, and your destination shipping requirements. Contact HekoPower today for a transparent, factory-direct wholesale quote.
Is the Weichai 12WH17C1564-5 suitable as a replacement for older European engines?
Yes. Its compact layout makes it an excellent choice for repowering projects. It serves as a reliable alternative to older, legacy brands, delivering modern electronic efficiency that fits cleanly into existing engine rooms.
How does HekoPower handle spare parts and global component export?
HekoPower maintains a comprehensive inventory of genuine Weichai parts. From common rail fuel injectors to turbochargers and complete overhaul kits, we offer fast international shipping to minimize your vessel's downtime in any port worldwide.
