◆ Our high speed marine diesel engine boast multiple advantages, including strong power, fuel efficiency, reliability, comfort and environmental friendliness.
◆ First, the electronic control unit of weichai marine engine enables precise control, ensuring high fuel injection pressure, minimal speed fluctuation, and stable yet powerful power output. Their power range is wide – for example, the single-cylinder power of Weichai 6WH20 marine power unit can reach 220kW, meeting the power needs of different ship types like tugboats, fishing boats, passenger ships and engineering ships.
◆ Secondly,our marine diesel engine precise control of fuel injection pressure, quantity and timing ensures full fuel atomization, with the minimum fuel consumption rate as low as 191g/kW・h, effectively reducing ship operation costs.
◆ They are equipped with a comprehensive self-diagnosis system, failure protection mode and safe control strategies, which can detect and solve problems in a timely manner to ensure the safe operation of the diesel engine.
Weichai diesel engines provides full-life-cycle service support, such as ship-engine-propeller matching, installation guidance and operation training, giving customers greater peace of mind and convenience during use.
Standard Equipments of marine diesel enignes
Engine and block
√ Cast iron gantry type structure block One-piece forged Crankshaft
√ Aluminium alloy pistons with gallery oil cooling Separate cast iron cylinder heads and wet liners
Cooling system
√ Fresh/raw water heat exchanger with integrated thermostatic valves and expansion tank
√ Cast-iron centrifugal fresh water pump, mechanically driven by belt
√ Self-priming raw water pump, mechanically driven
Lubrication system
√ Spin-on full-flow lub oil filter
√ Fresh water cooled lube and plate type oil cooler
Fuel system
√ P-type in-line injection pump
√ Dual-skinned fuel pipe with alarm and leakage collector Duplex fuel filters replaceable engine running
Intake air and exhaust system
√ Washable air filter
√ Turbocharger optimized for marine application
√ Insulated exhaust manifold and exhaust expansion joint
Electrical system
√ 24V electric starter motor and battery charging alternator Voyage safeguard monitor and 5m harness
Flywheel and housing
√ SAE1 flywheel housing and SAE 14 size flywheel
Certification
CCS
|
Duty |
Model |
HP |
kW |
RPM |
|
P1 |
WP4C82-15 |
82 |
60 |
1500 |
|
P1 |
WP4C95-18 |
95 |
70 |
1800 |
|
Duty |
Model |
HP |
kW |
RPM |
|
P1 |
WP4C102-21 |
102 |
75 |
2100 |
|
P1 |
WP4C120-18 |
120 |
88 |
1800 |
Dimensions and Weight
|
Length |
1058 mm |
|
Width |
820 mm |
|
Height |
1061 mm |
|
Dry Weight |
600 kg |
Optional Equipments
- Different harness length of remote monitor Free end PTO
- Equipment and factory trial according to Major Classification Societies rules
|
P1 Duty |
P2 Duty |
P3 Duty |
P4 Duty |
|
|
Application |
Unrestricted continuous |
continuous |
intermittent |
high performance |
|
Engine load variations |
Very little or none |
continuous |
important |
very important |
|
Mean engine load factor |
80 to 100% |
30 to 80% |
50% |
30% |
|
Annual working time |
More than 5000 h |
3000 to 5000 h |
1000 to 3000h |
less than 1000 h |
|
Time at full load |
unlimited |
8 h each 12 h |
2 h each 12 h |
1 h each 12 h |
Today, I received an inquiry from a long-standing Argentine customer. He owns a mining company and has recently acquired a ship, which now requires a marine diesel engine to drive its propeller.
The customer specified that the high speed marine diesel engine should have a continuous power output of 340hp at 1800rpm, along with a hydraulic marine gearbox with a speed ratio of 3.5:1. I provided him with quotations for two brands: one is international brand Cummins marine diesel engine, and the other is Chinese brand weichai marine diesel engine – a well-regarded domestic Chinese brand.
In the end, the customer confirmed for the Chinese brand,weichai marine diesel engine, drawn to its exceptional cost-effectiveness. We firmly believe that Chinese brand weichai marine engines are steadily making their mark on the global stage, and our high speed marine diesel engine are poised to capture a broad and promising market. This confidence stems from our highly professional team and the superior quality of our products, which together form the solid foundation of our competitiveness.

