Details
Weichai 8WH17C1000-2 Marine Engine – 1000 HP 735kW Marine Propulsion Solution
The Weichai 8WH17C1000-2 Marine Engine is a high-performance medium-speed diesel engine specifically designed for demanding marine propulsion applications. As part of the proven WH17 series, this Weichai 735kW Marine Diesel Engine combines advanced high-pressure common rail (HPCR) fuel injection technology, robust structural design, and excellent fuel economy to meet the operational requirements of modern commercial vessels.
With a rated output of 735kW (1000 HP) at 1200 rpm, the 8WH17C1000-2 Propulsion Engine is widely used in fishing vessels, coastal cargo ships, passenger ferries, dredgers, and workboats. The engine complies with IMO II emission standards while maintaining excellent torque characteristics and long-term reliability.
As a professional Weichai marine diesel supplier, HekoPower provides genuine Weichai marine engines, spare parts support, technical consultation, and complete propulsion solutions for shipyards, fleet operators, and marine engineering companies worldwide.
Tech Specs of Weichai 8WH17C1000-2
General Engine Data
Engine Model: Weichai 8WH17C1000-2
Cylinder Count: 8 Cylinders in Line
Engine Type: 4-stroke, water cooled, in-line, turbocharged and aftercooled
Total Engine Displacement: 40.31 L
Bore * Stroke: 170×222 (mm)
Net weight: 4600 kg
Overall Dimension: 2917×1147×1805 (mm)
Key Performance Data
Rated Power: 735 kW / 1000 HP
Rated Speed: 1200 RPM
Idle Speed: 500 RPM
Minimum fuel consumption rate: 190 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 Performance Comparisons
High Pressure Common Rail vs. Mechanical Fuel Systems
The defining characteristic of the Weichai 8WH17C1000-2 Marine Engine is its integrated electronic fuel injection marine engine framework. Traditional marine diesels rely heavily on mechanical unit injectors that provide uniform fuel pressure regardless of engine loads, which frequently leads to unburnt fuel deposits and black smoke emissions at low speeds.
In contrast, this Weichai HPCR marine engine utilizes a cutting-edge high pressure common rail marine engine design. The fuel injection pressure remains completely independent of engine speed, utilizing precise electronic solenoid controls to map atomization based on localized load trends.
Fuel Efficiency Evaluation
When analyzing the exact Weichai 8WH17C1000-2 fuel consumption metrics, the fuel curve reaches an economical minimum of ≤190 g/kW·h at continuous operational load bands. This translates directly to noticeable fuel cost savings over extended shipping cycles.
Compared to older, mechanically governed engines in the same power classification, this fuel efficient marine propulsion engine cuts overall operating expenses by up to 5% to 8% annually.
Evaluating the Weichai 8WH17 Series Torque Reserve Curve
For demanding maritime maneuvers, a shallow torque path simply will not cut it. The Weichai 8WH17 series torque reserve curve is engineered with a powerful reserve exceeding 20%. This unique curve pattern ensures that when a vessel encounters heavy head currents or intense drag, the engine boosts torque output dynamically without experiencing a sudden drop in rotational speed.
This high low-end torque threshold provides faster acceleration response profiles, which are crucial for maintaining control over heavy commercial hulls.
Real Application Scenarios
The versatility of the Weichai marine propulsion engine line allows it to anchor operations effectively across several diverse sectors of the commercial marine market.
Heavy-Duty Commercial Fishing Vessels
A reliable engine for fishing vessels must operate smoothly for days on end without power fluctuations. The Weichai fishing boat engine configurations provide steady trawling speeds while retaining plenty of reserve strength to power large refrigeration systems and heavy hydraulic winches simultaneously.
Coastal Cargo and Logistics Vessels
Operating an engine for coastal cargo ships demands long periods of consistent running at fixed cruise velocities. This Weichai coastal cargo vessel engine handles heavy freight displacements effectively, helping maritime operators meet precise logistical windows while keeping fuel costs predictable.
Inland Waterway Workboats and Passenger Ferries
- Engine for passenger ferry boats: Demands low vibration profiles and low emissions. The IMO II compliant marine diesel engine design minimizes onboard noise and exhaust odors, dramatically improving passenger comfort.
- Marine diesel engine for workboats: Offers rugged durability for tugs, harbor support crafts, and push boats that regularly manage sudden load spikes.
Industrial Auxiliary Support: Cutter Suction Dredgers
Beyond primary propulsion, HekoPower frequently provisions this engine to serve as a high-capacity power plant for mining and infrastructure equipment. As a trusted Weichai 8WH17C dredger auxiliary engine supplier, we ensure these power units deliver the relentless torque required to drive large mud pumps and mechanical cutters through thick underwater sediment.
Maintenance, Lifecycle Management, and Replacement Tips
To maximize your return on investment and secure the long operational lifecycle of your Weichai commercial vessel engine, engineers should integrate these core maintenance practices into their standard operating procedures.
High Pressure Common Rail Fuel System Care
Because the common rail system operates under extreme pressure thresholds, fuel cleanliness is paramount.
- Action: Replace primary and secondary fuel filters every 250 to 300 hours of operation. Inspect the primary water-separator unit daily.
- Tip: Even minuscule moisture particles can corrode injector tips, disrupting spray patterns and risking engine knock.
Turbocharger and Intercooler Inspections
The performance of this Weichai 735kW marine diesel engine depends heavily on maintaining clean, high-density air intake lines.
- Action: Clean the air filter housing every 500 operating hours. Check the turbocharger compressor and turbine wheels for carbon buildup or signs of oil bypass seals failing.
- Tip: Ensure the zinc anodes within the raw-water intercooler cooling circuit are inspected and replaced once they reach 50% consumption to prevent galvanic corrosion from damaging the core.
Valve Clearance Adjustments
To maintain optimal timing and fuel economy, physical valvetrain configurations must be checked regularly.
- Action: Perform an initial valve clearance inspection after the first 50 hours of a new engine break-in period, and schedule follow-ups every 1,000 running hours thereafter.
Weichai 8WH17 series marine diesel engine, original products from Weichai. This series mainly includes 8WH17C900-1, 8WH17C952-1, 8WH17C1000-2, 8WH17C1156-2, 8WH17C1200-3, 8WH17C1251-5, 8WH17C1360-5.
Frequently Asked Questions (FAQs)
What is the exact price of the Weichai 8WH17C1000-2 marine engine?
The total Weichai 1000HP marine engine price varies based on your chosen configuration accessories, gearbox pairing, and shipping location. As a dedicated Weichai marine engine distributor, HekoPower provides itemized wholesale quotes tailored to your project. Contact our procurement team directly to receive a comprehensive quote on a Weichai 8WH17C1000-2 price package.
How does HekoPower verify the emission compliance of this engine series?
Every unit we deliver is an official IMO Tier II certified Weichai marine engine 1000kW class variant. It comes complete with verified EIAPP certification paperwork, ensuring smooth regulatory approvals during vessel inspection processes worldwide.
Can this engine be integrated with existing marine gearboxes?
Yes. The standard SAE flywheel configurations on the Weichai 8WH17C1000-2 specifications sheet allow it to pair smoothly with a wide range of popular marine gearboxes, including Advance, Twin Disc, and ZF series systems. HekoPower offers complete propulsion engineering calculations to help you select the ideal reduction ratio for your hull design.
Where can I buy authentic replacement components for the 8WH17 series?
When you choose to buy Weichai 8WH17C1000-2 marine engine systems through HekoPower, you gain direct access to our comprehensive spare parts supply chain. As your long-term Weichai 1000 HP marine engine supplier, we stock all essential line items—including fuel injectors, gaskets, filtration packs, and overhaul components—to minimize your maintenance downtime.
