Details
Weichai 8WH17C900-1 Marine Diesel Engine (900 HP / 662kW)
Welcome to HekoPower, your premier authorized Weichai marine propulsion engine distributor and trusted global Weichai marine engine exporter. When commercial fleet operators need continuous, heavy-duty power that stands up to the harshest marine elements, they turn to the Weichai 8WH17 Marine Engine series.
The Weichai 8WH17C900-1 is an elite 8-cylinder inline, 4-stroke, water-cooled propulsion unit designed to deliver 900 HP (662kW) at a highly stable, medium-speed calibration. Built around an advanced Weichai Common Rail Marine Engine platform and certified to Weichai IMO II Marine Engine standards, this system optimizes fuel maps for heavy displacement commercial hulls. Whether you are searching for a competitive Weichai 8WH17C900-1 price, seeking complete Weichai 8WH17C900-1 specifications, or trying to buy Weichai 8WH17C900-1 marine engine setups with custom marine gearboxes, HekoPower provides end-to-end supply chain support.
Tech Specs of Weichai 8WH17C900-1
General Engine Data
Engine Model: Weichai 8WH17C900-1
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: 662 kW / 900 HP
Rated Speed: 1000 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 Architecture
As a leading Weichai marine diesel engine manufacturer partner, HekoPower offers full transparency on engineering data. The structural frame of the 8WH17C900-1 is engineered specifically to manage immense thermal stress without fracturing or distorting.
Dimensional Profile & Structural Metrics
The unit features a Weichai 40.31L marine engine dimensions profile measuring 2917 mm in length, 1147 mm in width, and 1805 mm in height, with a net dry structural mass of 4,600 kg. This high-displacement footprint utilizes a 170 mm bore and 222 mm stroke across an inline 8 cylinder marine propulsion engine layout. The massive 40.31-liter displacement provides an exceptional torque reserve, allowing vessels to break through heavy currents or drive massive hydraulic loads without engine bogging or structural degradation.
High-Pressure Common Rail (HPCR) Technology
At the center of this 8WH17C900-1 common rail diesel engine is a specialized Weichai HPCR marine engine fuel management system. Controlled by an intelligent electronic management system, fuel is pressurized and distributed via a shared rail pipe directly to each cylinder’s injector. This architecture decouples injection pressure from engine RPM, allowing maximum atomization even at a Weichai 1000 rpm marine engine lower cruise state or during prolonged idling at 500 r/min.
This precise metering delivers a minimum fuel consumption rate of just 190 g/kW·h and an incredibly low oil consumption rate of ≤0.3 g/kW·h, making it a highly fuel efficient marine propulsion engine.
Commercial Comparisons: Weichai vs. Cummins vs. Baudouin
Selecting the best 900 hp marine diesel engine requires a side-by-side performance evaluation against industry alternatives.
Weichai vs. Cummins Marine Engine
While Cummins platforms (like the QSK19 or KTA19 series) offer exceptional high-speed power delivery, they operate at a lower displacement per cylinder compared to the Weichai 8WH17C marine diesel. The 40.31L displacement of the Weichai 8WH17 series provides significantly more pure physical torque at lower operational bands, making it more resilient in heavy-drag applications. Furthermore, finding a competitive Weichai 662kW marine engine price through HekoPower generally yields a much shorter capital payback period than equivalent western imports.
Weichai vs. Baudouin Marine Engine
Baudouin engines share historical engineering lineage with Weichai, but the 8WH17 platform incorporates modern structural enhancements tailored for Asian and international commercial shipping lanes. The Weichai 8WH17C900-1 features an upgraded MAPCID (camshaft-less phase cylinder judgment) framework, removing mechanical backup sensors that commonly suffer vibration failure in Baudouin M26 or M33 installations. This makes the 8WH17 series a more reliable medium speed marine diesel engine for isolated blue-water operations.
Real-World Marine Application Scenarios
The heavy-duty design of the Weichai 8WH17C900-1 makes it an ideal fit across several demanding maritime sectors.
Cutter Suction Dredgers (CSD)
In sand reclamation and mining, the engine is frequently installed as a cutter suction dredger main engine Weichai 8WH17 solution. It directly handles the irregular, shocking loads of hydraulic mud pumps. When the cutter head strikes heavy clay or rock strata, the engine's 20%+ torque reserve prevents stalling and maintains constant pumping velocity.
Commercial Fishing Vessels & Trawlers
For a commercial fishing vessel diesel engine or deep-sea marine engine for trawlers, reliable low-RPM operation is vital. The HPCR system enables the vessel to trawl at low speeds for days without carbon loading or injector fouling, lowering overall fuel overhead.
Transport & Cargo Logistics
From a heavy cargo vessel propulsion engine on coastal routes to a coastal transport ship engine or a shallow-draft river transport vessel engine, this power plant delivers steady propulsion. It maintains a consistent cruising speed even when loaded to maximum displacement capacity.
Passenger & Workboat Operations
The low vibration and IMO II marine diesel engine emissions profile make it an excellent choice as a marine diesel engine for passenger vessel ferries, crew transfer boats, and a rugged marine engine for workboat fleet tenders operating in protected waters.
Proactive Maintenance & Replacement Protocol
To keep your vessel operational and maintain access to the official Weichai 8WH17 series engine manual pdf directives, engineers must implement structured preventative maintenance schedules.
8wh17c Common Rail Fuel Filter Replacement Guide
Because high-pressure common rail components operate under pressures up to 1,600+ bar, microscopic water particles or fuel sediment can score fuel injector nozzles.
- Service Interval: Change fuel filters every 250 to 300 operating hours, or immediately if a fuel rail pressure drop is logged on the digital dashboard.
- Procedure: The 8WH17 series features a duplex fuel filter assembly. Rotate the manual diversion valve to isolate the dirty filter bank. Bleed residual pressure, unscrew the canister, oil the seal of the new element, and thread it down. Switch the valve back to prime the system without stopping the engine.
Sourcing Authentic Spare Parts
Never use generic filters or seals on an HPCR system. HekoPower makes it simple to buy Weichai 8WH17C marine parts online, supplying genuine factory-certified injectors, cylinder liners, gaskets, and overhaul kits directly from our distribution centers.
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.
Weichai 8WH17C900-1 Frequently Asked Questions
What is the exact price of the Weichai 8WH17C900-1 marine engine?
Because commercial marine systems are customized with specific gearboxes (such as Advance or Twin Disc), cooling configurations (keel cooling vs. heat exchanger), and classification certifications (CCS, BV, ABS), pricing varies. Contact the HekoPower sales team for a precise Weichai 8WH17C900-1 price quote tailored to your vessel’s registry.
Does this engine meet international maritime emissions requirements?
Yes, the 8WH17C900-1 is an fully certified IMO II marine diesel engine. It uses advanced internal combustion optimization and common-rail mapping to satisfy international marine pollution standards without requiring complex, space-consuming SCR (Selective Catalytic Reduction) after-treatment packages.
Where can I find a trusted Weichai marine engine supplier?
HekoPower is a recognized global Weichai marine engine supplier. We provide complete logistics handling, export documentation, engineering support, and access to genuine spare parts for international fleet operators.
