Details
Weichai 6WH17C1100-5 Marine Propulsion Engine (1100 HP / 810kW)
The Weichai 6WH17C1100-5 marine engine represents a milestone in maritime engineering, delivering high-torque performance tailored specifically for the rigors of modern commercial vessels. As an advanced 6 cylinder medium speed marine diesel engine, this model stands out as the ultimate marine main propulsion engine for operators requiring continuous durability, strict emissions compliance, and remarkable fuel efficiency.
As a premier global marine engine exporter and wholesale marine diesel engine supplier, HekoPower delivers this flagship power plant alongside complete technical integration, class certification support, and global logistics optimization.
Engineering DNA: The Weichai WH17 Series Medium Speed Engine
The development of the Weichai WH17 series medium speed engine is rooted in international engineering collaboration. Co-developed through a strategic partnership with FEV Germany, the structural architecture of the Weichai FEV Germany medium speed marine engine is built to withstand extreme mechanical loads.
By integrating a stiffened vermicular cast iron engine block and an advanced 4-valve per cylinder design, this Weichai medium speed marine engine manages peak combustion pressures up to 170 bar while significantly lowering structural vibrations and operational noise levels.
Targeting Commercial Fleet Deployment Scenarios
The specific power envelope of the Weichai 6WH17C1100-5 makes it an incredibly versatile asset across multiple maritime sectors. HekoPower positions this 1500 rpm marine propulsion engine as the optimal configuration for four key commercial categories:
- Marine Engine for Fishing Boats: Offers the low-end torque needed to drag heavy nets without bogging down the electrical or hydraulic auxiliary systems.
- Marine Engine for Tugboats: Provides high bollard pull capacity under intermittent, extreme load demands during port maneuvering operations.
- Marine Engine for Patrol Boats: Ensures sustained high speeds with quick throttle response curves, giving law enforcement and monitoring fleets long-term tracking reliability.
- Marine Engine for Cargo Vessels: Functions flawlessly as a commercial vessel diesel propulsion engine for inland and coastal shipping lanes, providing a massive 20,000-hour Time Between Overhauls (TBO).
Tech Specs of Weichai 6WH17C1100-5
General Engine Data
Engine Model: Weichai 6WH17C1100-5
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: 810 kW / 1100 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 Performance & Calibration Profiles
Deciphering the Weichai 6WH17C1100-5 P2 Rating Specifications
Understanding the distinction between continuous and intermittent power profiles is vital for naval architects. The Weichai 6WH17C1100-5 P2 rating specifications indicate that this unit is configured for intermittent heavy-duty operations.
While a P1 rating is restricted to constant-load operations like long-haul tankers, the P2 calibration permits the Weichai 1100 HP marine engine to run at peak output for up to 4 out of every 12 operating hours. This is what gives the engine an edge in varying tidal conditions and high-resistance river channels.
High Pressure Common Rail Fuel Dynamics
At the heart of this high pressure common rail marine engine is an electronically controlled fuel injection grid running on custom Weichai ECU logic. The Weichai 1500 rpm marine engine common rail fuel system splits the injection sequence into pre-injection, main-injection, and post-injection phases.
This precise micro-metering achieves complete fuel atomization, minimizing soot formation and ensuring that the engine serves as a highly efficient, low fuel consumption marine propulsion engine with a base brake specific fuel consumption (BSFC) of less than or equal to 185g/kW·h.
Maintenance Protocols & Replacement Component Guide
Proactive Maintenance for High-Pressure Common Rail Grids
Operating a common rail marine diesel engine for commercial vessels demands clean fuel infrastructure. The ultra-fine clearances within the high-pressure fuel pump and common rail injectors can be sensitive to microscopic water droplets and particulate contamination.
Core Maintenance Intervals
- Every 250 Operating Hours: Drain the fuel-water separators and clean the primary centrifugal oil filters.
- Every 1000 Operating Hours: Inspect the common rail fuel pressure regulator valve and test fuel return line pressures.
- Every 5000 Operating Hours: Calibrate the electronic fuel injectors to confirm even fuel distribution across all six cylinders.
Sourcing Genuine Spares: Buy Weichai 6WH17 Components from HekoPower
To safeguard your investment and maintain classification integrity, fleet managers must avoid unverified aftermarket parts. When you need to buy Weichai 6WH17 components, HekoPower supplies guaranteed OEM replacement parts, including complete cylinder head modules, piston assemblies, high-pressure common rail pumps, and electronic control sensors. Maintaining a matched supply chain shields your high-output Weichai 809kW propulsion engine from premature mechanical failure.
Alternative Fuel Adaptations: The Green Marine Transition
Methanol Replacement or Dual Fuel Weichai 6WH17 Engine Path
As global shipping corridors tighten environmental regulations, alternative powertrains are shifting from optional to essential. The methanol replacement or dual fuel Weichai 6WH17 engine configuration represents Weichai's proactive answer to decarbonization.
The heavy-duty physical block of the WH17 series serves as an excellent platform for dual-fuel conversions. By deploying an adapted port-injection grid for green methanol alongside a pilot injection of standard marine gas oil (MGO), operators can lower carbon dioxide emissions by up to 20-30% without surrendering the raw 1100 HP performance needed for primary propulsion.
Compliance, Class Certification & Sourcing
Certified Security: Weichai 6WH17 CCS BV Marine Class Certificate Status
Deploying a vessel internationally requires stringent compliance verification. Every Weichai 6WH17C1100-5 marine diesel engine specification sheet matches up with global marine registry requirements.
HekoPower delivers these units with pre-cleared, official classification documentation. Whether your operation requires a Weichai 6WH17 CCS BV marine class certificate, or inspection tags from DNV, GL, or LR, our engineering division handles the factory survey coordination to ensure immediate commissioning.
Global Supply Chain Logistics via HekoPower
Finding a reliable Weichai 1100 hp marine engine supplier involves more than checking equipment availability. As an established China marine diesel engine manufacturer alliance partner, marine engine OEM supplier, and master marine propulsion engine distributor, HekoPower manages everything from point-of-origin heavy machinery packing to customs clearance.
We ensure that every Weichai 1100 hp marine engine price quote reflects comprehensive transparency, protecting your fleet budget from unexpected logistical markups.
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.
Frequently Asked Questions (FAQ)
Is the engine fuel efficient?
Yes. The high-pressure common rail system significantly improves combustion efficiency and reduces fuel consumption.
What is the exact power output and RPM profile of the Weichai 6WH17C1100-5?
The engine generates a rated power of 810 kW (equivalent to 1100 horsepower/Ps) at a calibrated engine speed of 1500 RPM. This makes it an ideal fit for applications requiring an optimized mid-speed torque response.
Is the Weichai 6WH17C1100-5 compliant with international emissions mandates?
Yes, this engine is an IMO II compliant marine diesel engine that satisfies both IMO Tier II standards and China Stage II Marine emissions rules. It utilizes optimized internal combustion dynamics and precise common rail fuel delivery to meet these limits without requiring complex exhaust after-treatment.
What type of commercial hulls benefit most from this specific engine?
This propulsion unit excels inside displacement hulls that endure variable load profiles. It is highly recommended for commercial fishing boats, harbor and river tugboats, mid-sized patrol vessels, and coastal cargo carriers.
Why should I source my Weichai marine engines through HekoPower instead of general trading marketplaces?
HekoPower is a specialized marine engine OEM supplier and technical distributor. We don’t just ship boxes; we provide engineering integration support, coordinate official CCS/BV classification certificates, and maintain a complete inventory of OEM spare components to protect your vessel's long-term operational uptime.
