Details
Weichai 6WH17C1000-5 Marine Diesel Engine (1000 HP / 735kW)
The Weichai 6WH17C1000-5 is a commercial-grade, heavy-duty 6WH17 Series Marine Propulsion Engine designed to handle demanding marine operations. Delivering an output of 735kW (1000HP) at a calibrated 1500rpm, this Weichai Medium Speed Marine Engine represents advanced marine engineering co-developed with Germany-based FEV. By integrating a structural, high-strength cylinder block with an electronically controlled high-pressure common rail fuel system, the Weichai 6WH17C1000-5 Marine Diesel Engine provides an ideal balance of low-end torque, fuel efficiency, and structural reliability. It is fully certified as an IMO II Marine Engine.
As a premier Weichai marine engine distributor and global marine engine wholesale supplier, HekoPower provides more than just raw machinery. We offer complete Weichai 1000HP Marine Engine assemblies, tailored propulsion integration solutions, and a secure supply of authentic spare parts for commercial operators worldwide. Whether you are executing a comprehensive Weichai marine engine replacement or outfitting a new commercial vessel, HekoPower is your trusted partner.
Tech Specs of Weichai 6WH17C1000-5
General Engine Data
Engine Model: Weichai 6WH17C1000-5
Cylinder Count: 6 Cylinders in Line
Engine Type: Inline, 4-Stroke, Water-Cooled, Direct Injection
Total Engine Displacement: 30.22 L
Bore * Stroke: 170 mm × 222 mm
Dry Weight (Engine Only): 3500 kg
Overall Dimension: 2355 mm × 1210 mm × 1615 mm
Key Performance Data
Rated Power: 735 kW / 1000 HP
Rated Speed: 1500 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
Technical Features of the Weichai WH17 Marine Engine
The Weichai WH17 Marine Engine series is engineered from the ground up to minimize downtime and lower operational overhead in commercial shipping, fishing, and transit industries.
Advanced Cylinder Block & Structural Engineering
- High-Strength Material Architecture: The engine block features high-grade alloy cast iron with a grid-structured design. This increases overall structural rigidity while significantly dampening operational vibration and mechanical stress.
- One-Piece Cylinder Head Design: A single-piece cylinder head configuration simplifies thermal sealing parameters, reduces the total number of failure points, and improves structural reliability under maximum peak combustion pressures.
- Optimized Cylinder Kits: The utilization of wet, mid-stop supported cylinder liners combined with precision-cooled pistons ensures balanced thermal expansion. This design minimizes oil consumption and prevents premature piston skirt wear.
Next-Generation Electronic Fuel Management
The Weichai common rail marine diesel engine platform uses an advanced Electronic Control Unit (ECU) to manage high-pressure fuel injection dynamics. Decoupling injection pressure from engine crankshaft speed allows the common rail system to maintain optimal fuel atomization even at low idle speeds. This configuration practically eliminates the black smoke typical of traditional mechanical marine diesels during cold starts and sudden low-speed maneuvers.
Detailed Technical Comparison: Traditional Mechanical vs. Modern Common Rail
For vessel owners planning a Weichai marine engine replacement, understanding the shift from older mechanical injection platforms (like the classic Weichai 170 or 8170 series) to the modern common rail Weichai 6WH17 Series Engine is vital for calculating long-term return on investment (ROI).
Operational Architecture Differences
Older mechanical platforms use inline injection pumps driven by a mechanical governor. Fuel pressure drops as engine speed drops, resulting in incomplete fuel burn and increased carbon buildup during low-speed idling or heavy towing.
The modern common rail medium speed marine diesel engine 735kW platform maintains injection pressures up to 2200 bar across its power band. Multiple injections per combustion cycle—including precise pre-injection and post-injection phases—ensure uniform flame propagation. This smooths out power delivery and minimizes mechanical shock to the connecting rods and crankshaft bearings.
Real-World Application Scenarios for the Weichai 6WH17 Series
The Weichai 735kW marine propulsion engine is highly versatile, serving as a primary propulsion plant across multiple commercial maritime sectors. HekoPower customizes auxiliary systems to match the specific operational profile of each vessel class.
Commercial Fishing Boats and Trawlers
When serving as an ocean fishing vessel diesel engine 1500rpm choice, this engine manages the intense, variable loads required during net deployments.
- The HekoPower Edge: For a marine engine for fishing boats or a marine engine for trawlers, we supply an integrated heavy-duty front-end Power Take-Off (PTO) shaft. This simplifies deck machinery configuration by allowing the main engine to drive hydraulic winches directly.
Cargo Ships and Coastal Transport Barges
For a marine propulsion engine for cargo ships or a marine diesel engine for coastal transport vessels, fuel economy over extended distances directly determines profitability. Fleet managers use verified Weichai 6WH17 fuel consumption g/kW.h data to calibrate their cruising speeds within the engine's optimal efficiency band (1200-1350 rpm), reducing annual fuel expenses.
- The HekoPower Edge: We provide complete 1000HP marine propulsion engine for bulk carriers packages, ensuring the engine’s flywheel housing matches your existing structural bed rails to minimize hull restructuring.
Tugboats, Workboats, and Offshore Support Vessels
Vessels requiring a medium speed marine engine for tugboats, a marine engine for workboats, or a marine engine for offshore support vessels demand rapid power response. The 6WH17C1000-5 engine responds quickly to throttle adjustments, providing the maneuverability needed for close-quarters docking and pushing operations.
- The HekoPower Edge: For a marine engine for patrol vessels, we supply a water-jacketed exhaust manifold system that minimizes engine room radiant heat, extending electronics life and improving crew comfort.
Marine Gearbox Matching and Systems Integration
HekoPower is a specialized Weichai marine engine supplier in China that delivers fully engineered propulsion packages. A standalone engine cannot propel a ship without a properly configured transmission system.
Custom Engine-Gearbox Alignment
We specialize in developing tailored Weichai 6WH17 engine gearbox matching solutions. Our team performs torsional vibration calculations to ensure the engine connects smoothly with leading marine gearboxes, such as:
- Advance Gearbox Series: Ideal for heavy-duty trawlers and cargo vessels requiring deep reduction ratios.
- ZF and Twin Disc Systems: Preferred for high-precision maneuvering configurations in workboats and patrol craft.
Electronic Control Integration
Every Weichai 1000HP marine diesel engine supplier setup from HekoPower includes an integrated electronic control network. We bridge the engine's ECU with dual-station bridge levers, allowing smooth digital throttle control and real-time monitoring of oil pressures, coolant temperatures, and fuel burn rates from the helm.
Maintenance, Troubleshooting, and Spare Parts Availability
To keep your vessel operational over its 20,000-hour major overhaul lifespan, following a structured preventative maintenance program is essential. HekoPower operates as a comprehensive genuine Weichai 6WH17 series parts supplier, providing global support to minimize operational downtime.
Scheduled Maintenance Quick-Guide
- Every 500 Hours: Replace engine oil and fuel filter elements. The engine features a duplex, switchable fuel filter setup that allows filters to be changed safely while the engine is running, preventing unnecessary operational stops.
- Every 2,000 Hours: Inspect common rail injector spray patterns and verify valve clearances to maintain optimal fuel efficiency.
- Every 6,000 Hours: Inspect the turbocharger assembly, clean the core elements of the air intercooler, and evaluate the sacrificial zinc anodes within the seawater cooling circuit.
Common Field Troubleshooting Protocols
- Unstable Common Rail Pressure: Often caused by air ingress into the low-pressure fuel supply lines or a clogged primary water separator filter. Bleed the fuel system using the manual priming pump and inspect line seals.
- Elevated Exhaust Temperatures: Typically points to an intake airflow restriction or a fouled intercooler core. Verify the boost pressure output on the digital instrument panel to isolate turbocharger performance issues.
Genuine Parts and Assembly Support
When the time comes for a major engine refresh, HekoPower serves as a genuine Weichai engine assembly supplier. We stock factory-fresh cylinder kits, crankshafts, main bearing shells, and high-pressure fuel injectors. This ensures your service team can restore factory performance metrics without risking the premature failures associated with unverified aftermarket components.
Weichai 6WH17 series marine diesel engine, original products from Weichai. This series mainly includes 6WH17C650-1, 6WH17C680-2, 6WH17C700-1, 6WH17C718-2, 6WH17C750-2, 6WH17C850-2, 6WH17C900-3, 6WH17C900-5, 6WH17C1000-5, 6WH17C1100-5.
Procurement and Global Logistics FAQs
Q: What is the current Weichai 6WH17C1000-5 price and production lead time?
A: The total Weichai 6WH17C1000-5 price depends on your chosen auxiliary configuration, gearbox requirements, and classification registry options. To receive a binding, transparent Weichai marine diesel engine quotation, please contact our sales office. Standard production lead times for complete genuine Weichai 6WH17C1000-5 for sale assemblies range between 30 to 45 days.
Q: Can I buy a Weichai 6WH17C1000-5 engine online through HekoPower?
A: Yes, you can initiate your order online. Commercial operators can click "Buy Weichai 6WH17C1000-5" or use our web portal to submit vessel specifications. Our engineering team reviews your hull design, transmission requirements, and operational profile before finalizing a supply contract to ensure a well-matched propulsion system.
Q: What international maritime certifications are available with this engine assembly?
A: The engine features factory Weichai 6WH17C1000-5 IMO Tier II certification. As an experienced Weichai marine engine exporter, HekoPower coordinates inspections and delivers your propulsion plant with major classification society certifications, including CCS, BV, DNV, ABS, and RINA.
Q: What export and logistics services does HekoPower provide?
A: We offer a complete Weichai marine engine export service. This includes professional heavy-duty seaworthy crating, anti-corrosion preservation treatments for overseas shipping, export customs clearance, and global ocean freight delivery directly to your shipyard.
