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Weichai 12WH17C1360-2 Marine Propulsion Engine: The Ultimate 1000kW Marine Power Solution
As a trusted global Weichai marine engine distributor, Heko Power is proud to supply the Weichai 12WH17C1360-2 marine engine, a pinnacle of heavy-duty engineering designed for the most demanding open-water conditions. Co-developed with Germany’s FEV, this 12-cylinder marine diesel engine delivers exactly 1000kW (1360 HP) at a stable 1200 RPM medium speed marine engine rating. Featuring an electronically controlled, high-pressure common rail system, this platform is built to optimize fuel efficiency, maximize torque reserve, and guarantee operational durability.
Whether you operate deep-sea fishing trawlers, inland transport vessels, or rugged coastal workboats, the Weichai WH17 series marine engine stands as a benchmark for reliable marine power.
Tech Specs of Weichai 12WH17C1360-2
General Engine Data
Engine Model: Weichai 12WH17C1360-2
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: 1000 kW / 1360 HP
Rated Speed: 1200 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)
Competitive Market Analysis: Weichai vs. Cummins and Yuchai
Selecting a 12-cylinder marine diesel engine involves assessing long-term operational costs and mechanical reliability against alternative choices. How does this model fare when analyzing Weichai vs Cummins marine engine platforms, or Weichai vs Yuchai marine engine counterparts?
Weichai vs. Cummins Marine Engine Options
In the 1000kW power range, shipowners often compare the 12WH17C1360-2 common rail engine against high-speed alternatives like the Cummins KTA38 or KTA50 series. While Cummins builds excellent high-speed blocks, the Weichai 12WH17 operates at a true 1200 RPM medium speed marine engine threshold.
The lower rotational speed means significantly reduced linear piston wear, lower structural vibration, and a more robust torque delivery profile. If you are seeking a long-term alternative to Cummins marine engine configurations that can run continuously for weeks at a time without thermal strain, Weichai’s 54.48L displacement provides a far higher thermal safety margin than smaller, high-speed blocks running at 1800 RPM.
Weichai vs. Yuchai Marine Engine Selections
When evaluating the best 1000kW marine diesel engine from top-tier Chinese brands, Yuchai represents a common domestic comparison. However, Weichai holds the clear advantage in heavy-duty commercial applications due to its collaboration with FEV Germany. The 12WH17 series utilizes a premium vermicular graphite cast iron body (Compacted Graphite Iron - CGI) for both the engine block and single-piece cylinder heads. This advanced metallurgy provides double the fatigue strength of standard gray iron blocks used by other manufacturers, allowing the Weichai engine to sustain higher explosion pressures safely.
Real Application Scenarios: Where the 12WH17C1360-2 Excels
The structural blueprint of the Weichai WH17 series propulsion engine makes it highly adaptable. Heko Power regularly exports this system for specific maritime roles.
Commercial Fishing Vessel Diesel Engine Deployments
For deep-sea trawlers, navigating high seas requires an engine that won't bog down when pulling heavily loaded nets. When clients buy Weichai 1360hp marine engine for fishing vessels, they benefit from its innovative four-turbocharger configuration. By routing exhaust pulses efficiently, the engine can achieve 115% of its rated torque at just 50% of its rated speed. This rapid dynamic response ensures that a marine engine for fishing boats maintains responsive hull maneuvering and massive low-end thrust under heavy dragging loads.
Marine Propulsion Engine for Transport Vessels and Cargo
For fleets utilizing a marine engine for coastal cargo vessels or a marine propulsion engine for transport vessel operations, consistency is what drives profitability. The 12WH17C1360-2 operates comfortably within its wide economic fuel-mapping zone. Consuming ≤ 185 g/kW·h of fuel, alongside a specialized 3-piston-ring and scraper-ring configuration that keeps oil loss beneath ≤ 0.3 g/kW·h, it drastically cuts down voyage overheads across thousands of nautical miles.
Heavy-Duty Marine Engine for Workboats and Tugs
Harbor tugs and offshore support vessels need a rugged Weichai commercial vessel engine capable of sudden load transitions. The combination of a forged steel crankshaft, specialized wet cylinder liners, and an intelligent network control ECU allows this unit to interface seamlessly with advanced gearboxes, variable pitch propellers, and bow thrusters, forming an all-in-one Weichai marine power solution.
Lifecycle Maintenance and Spare Parts Replacement Guide
As an established Weichai marine diesel engine exporter, Heko Power recognizes that an engine is only as good as its maintenance schedule. The 12WH17 platform boasts an impressive 1360 hp marine engine with 20000 hours overhaul period, but achieving this requires systematic care.
Routine Lubrication and Fuel Filtration Strategies
The Weichai common rail marine engine demands clean fluid delivery to preserve its high-pressure fuel pumps and precision injectors.
- Fuel Filters: Change fuel fine filters every 250 to 500 operating hours. This engine features switchable dual-filter housings, allowing crews to safely switch and swap filter elements mid-voyage without shutting down the engine.
- Lube Oil Care: Utilize recommended high-grade marine lubricants. Clean the integrated centrifugal oil filter regularly to trap microscopic soot particles that bypass standard media filters.
Managing the Cooling and Turbocharger Systems
Given the 4-turbo layout of the Weichai 12WH17C1360-2 marine engine, managing thermal stresses is vital. Ensure the gear-driven freshwater pump is inspected for impeller wear every 2,000 hours. The compact, cast aluminum heat exchangers should be opened and flushed clear of marine scaling and salt crusting annually to prevent localized hot-spots within the V12 cylinder bank block.
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) for Marine Engineers
What is the exact Weichai 12WH17C1360-2 price and availability?
Because marine powertrains require customization regarding classification certificates (e.g., CCS, BV, ABS, LR) and matching gearbox adapters, the final Weichai 54.48L V12 marine diesel engine price varies based on your technical scope. Contact Heko Power directly for an accurate, itemized quotation tailored to your vessel's layout.
Does this engine fulfill international maritime emission criteria?
Yes, this unit is a certified IMO Tier II compliant 1000kW marine propulsion engine (also meeting China Stage II marine regulations). It controls NOx and particulate outputs through its advanced electronic common rail tuning, avoiding the need for heavy, expensive downstream exhaust after-treatment accessories.
How does the V12 layout compare to an inline engine room configuration?
The V12 design allows for a remarkably short engine footprint (2324 mm length). Compared to inline 6 or 8-cylinder medium-speed engines of similar power, this compact profile saves valuable longitudinal hull space, expanding cargo hold volume or fish-well capacity.
Why choose Heko Power as your Weichai 12WH17C1360-2 supplier?
Heko Power acts as an end-to-end global Weichai marine engine distributor. We do not just source engines; we supply comprehensive technical integration data, arrange certified factory testing, and ship genuine Weichai spare parts globally. This guarantees your commercial vessel maintains its targeted up-time across its full operating lifespan.
