Details
Weichai 12WH17C1700-5 Marine Engine – 1250kW 1700HP Marine Propulsion Power Solution
The global maritime industry demands power systems that combine unrelenting reliability with strict environmental compliance and low operational costs. As a trusted global genuine Weichai marine engine supplier, HekoPower is proud to offer the Weichai 12WH17C1700-5, a pinnacle of modern marine engineering. This heavy duty marine diesel engine solution is designed to deliver consistent, high-efficiency performance under the most grueling marine conditions.
Engineered as a heavy-duty V-type 12 cylinder propulsion engine Weichai has optimized this series in collaboration with world-class European powertrain consultants. Developing an impressive 1250kW marine propulsion engine output (equivalent to a 1700 HP diesel engine) at a stabilized 1500rpm marine diesel engine rated speed, this unit represents the premier Weichai marine power solution for modern fleets. Whether you are upgrading your current vessel or outfitting a new build, HekoPower provides the complete engineering support, competitive Weichai marine engine quotation, and logistics management required to seamlessly integrate this powerhouse into your hull.
Tech Specs of Weichai 12WH17C1700-5
General Engine Data
Engine Model: Weichai 12WH17C1700-5
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: 1250 kW / 1700 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 and Core Specifications
At the heart of the Weichai 12WH17 series marine diesel engine is an advanced combustion and structural architecture that distinguishes it from legacy marine powerplants. Utilizing a 12-cylinder configuration configured in a precise V-angle, this Weichai 12-cylinder marine engine maximizes power density while keeping the overall engine footprint remarkably compact. This makes it an ideal drop-in replacement or new installation choice where engine room space is premium.
High-Pressure Common Rail (HPCR) Technology
The defining operational advantage of this model is its status as a premium Weichai electronic common rail marine engine. The Weichai HPCR marine diesel engine framework utilizes an electronically controlled fuel injection system that decouples injection pressure from engine speed. By maintaining precise fuel atomization across the entire RPM band, this electronic common rail marine engine delivers complete fuel combustion, incredibly crisp throttle response, and minimal exhaust smoke.
Turbocharging and Air Path Optimization
The engine utilizes a sophisticated turbocharged intercooled marine diesel engine aspiration layout. By feeding compressed, cooled air directly into the combustion chambers, the system guarantees optimal oxygen saturation. This directly influences the Weichai WH17 series fuel consumption rate, driving it down to an industry-leading minimum of ≤ 185 g/kW·h, making it an incredibly low fuel consumption marine engine over long-haul voyages.
Technical Comparisons: 12WH17C1700-5 vs. Industry Alternatives
When sourcing a 1250kW propulsion diesel engine, fleet managers must evaluate how the unit holds up against competing platforms. The Weichai 12WH17C1700-5 specifications demonstrate clear superiorities when compared against standard electronic or mechanical engines in the 1700HP class.
Mechanical Engines vs. Electronic Common Rail
Many legacy fleets still operate older, mechanically governed engines. However, upgrading to the Weichai electronic common rail marine engine provides immediate dividends. While mechanical engines suffer from incomplete combustion at lower speeds—leading to carbon buildup and high fuel waste—the HPCR system adjusts injection timing down to the millisecond. This results in up to a 5-8% savings on your annual fuel bill and fully guarantees an IMO II compliant marine diesel engine layout without needing complex exhaust aftertreatment.
Torque Dynamics and the Power Curve
A critical metric for heavy-displacement hulls is the Weichai 12WH17 marine engine torque reserve curve. Thanks to its pulse-supercharged design, this high torque marine propulsion engine achieves a torque reserve exceeding 15%. Compared to competitor engines that bog down under sudden hydrodynamic loads, the 12WH17C1700-5 maintains steady propulsive force, protecting your transmission and improving vessel maneuverability in rough seas.
Real Application Scenarios: Where the 12WH17 Excells
As an experienced Weichai marine engine distributor, HekoPower analyzes ship blueprints to ensure the selected model aligns perfectly with the hull's operational profile. The Weichai 12WH17C1700-5 marine engine is uniquely versatile, finding its home across several distinct commercial marine sectors.
Commercial Fishing Vessels
For deep-sea fishing operators, finding a reliable marine engine for commercial fishing boats is a matter of business survival. The Weichai 12WH17C1700-5 for fishing vessels provides the massive low-end torque required to pull heavy trawl nets through rough waters, alongside the electrical and hydraulic auxiliary power necessary to run onboard refrigeration and freezing systems.
Workboats and Tugboats
Tugs and offshore service vessels demand rapid throttle transitions and immense bollard pull. Operating as a heavy-duty marine propulsion engine for workboats or a primary marine diesel engine for tugboats, this engine's robust block construction resists the torsional stresses of sudden towing and pushing maneuvers, providing a steady Weichai commercial vessel engine platform you can rely on.
Transport and Passenger Fleet Logistics
For operators running a diesel engine for coastal transport vessels, engine for offshore service vessels, or a high-capacity marine engine for passenger ferries, schedules are non-negotiable. The balanced medium speed marine engine 1500rpm profile minimizes hull vibration, drastically improving passenger comfort and preserving cargo integrity, while keeping daily operating costs predictable.
Maintenance, Lifetime Reliability, and Overhaul Protocols
Purchasing from a premier Weichai marine engine exporter like HekoPower means gaining a lifetime partner in vessel maintenance. Keeping your Weichai 12WH17C1700-5 marine diesel engine in peak condition requires adhering to factory-specified maintenance windows and utilizing authentic components.
Essential Overhaul Intervals
The replacement parts and overhaul interval for Weichai 12WH17 are among the most generous in the medium speed marine engine market.
- Minor Service (250–500 Hours): Change primary and secondary fuel filters, lube oil filters, and inspect the air intake system.
- Mid-Life Top Overhaul (10,000 Hours): Inspect and calibrate the HPCR fuel injectors, check valve clearances, and examine turbocharger bearings.
- Major Overhaul TBO (20,000 Hours): Complete engine teardown. Replace cylinder liners, pistons, piston rings, and main bearings to reset the engine’s operational clock.
Sourcing Genuine Spare Parts
Using non-genuine components on an advanced common-rail platform risks catastrophic component failure. HekoPower keeps a comprehensive inventory of Weichai 12WH17C1700-5 spare parts, including common rail injectors, high-pressure fuel pumps, cylinder heads, and gaskets. Buying from a genuine Weichai marine engine supplier prevents premature wear and ensures your machinery stays within factory warranty parameters.
Partner with HekoPower: Your Authorized Weichai Distributor
When you look to buy Weichai 12WH17C1700-5, partnering with an experienced global provider ensures your investment is secure. HekoPower bridges the gap between factory engineering and real-world maritime application. Let us help you empower your vessel with a durable, efficient, and high-performing propulsive asset. Reach out to our engineering sales team today to receive detailed technical specifications, project consultations, and competitive global pricing.
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 (FAQs)
How can I obtain the official Weichai 12WH17C1700-5 technical datasheet PDF?
You can request the complete Weichai 12WH17C1700-5 technical datasheet PDF directly through the HekoPower inquiry portal. Our team will supply the official documentation, complete with installation drawings, fuel curves, and auxiliary system requirements.
Why should I choose HekoPower as my Weichai marine engine dealer instead of a local broker?
HekoPower is an established Weichai marine engine dealer and trusted marine diesel engine supplier China. We do not just ship a box; we provide comprehensive technical verification, export documentation, packing protection, and direct access to genuine Weichai 12WH17C1700-5 spare parts.
What is the estimated Weichai 12WH17C1700-5 price and availability?
The final Weichai 12WH17C1700-5 price depends on your required marine classification society certifications (e.g., CCS, BV, ABS, GL) and matching gearbox accessories. Contact HekoPower today for a comprehensive, customized Weichai marine engine quotation tailored specifically to your project requirements.
Is the Weichai 12WH17 series compliant with modern global emissions standards?
Yes, this model is an Weichai IMO II marine engine, making it an IMO II compliant marine diesel engine. It meets all international maritime regulations for Nitrogen Oxide emission limits for vessels operating in non-ECA (Emission Control Area) waters.
