WP2.3N/WP3N/WP4.1N/WP6/WP7/WP10/WP12/WP13/M26/M33/M55 and other high-speed motor products are mainly used in high-speed boats, passenger ships, fishing boats, and main engines of inland water transportation in inland and offshore markets. and auxiliary engines; WHM6160/170/6WH17/12WH17 medium-speed engine products, mainly used in bulk carriers, passenger rollers, official vessels, marine support vessels, ocean-going fishing vessels, engineering vessels, multi-purpose vessels, offshore The main engine and auxiliary engine of the traffic management ship. CW200/CW250/WH620/WH20/WH25/WH28 and other medium-speed engine products are mainly used in the main and auxiliary engines of engineering ships, passenger ships, fishing ships and bulk carriers in the inland, offshore and ocean markets; MAN series L21/31, L27 /38, L32/40 and V32/40 products are mainly used in the main engines, electric propulsion and auxiliary engines of bulk carriers, engineering ships, multi-purpose ships, and marine traffic management ships in the offshore and ocean-going markets.
Product parameters
| Type |
Four-stroke, water-cooled, in-line, direct injection |
Number of cylinders |
4 |
| Bore/Stroke |
105×118(mm) |
Displacement |
08L |
| Start method |
Electric start |
noise |
≤92dB(A) |
| noise |
≤97dB(A) |
oil consumption rate |
≤0.1g/kW.h |
Crankshaft rotation direction
(facing flywheel end) |
counterclockwise |
idle speed |
700r/min |
| length x width x height |
960×700×850(mm) |
net weight |
480kg |
Product spectrum
| series |
model |
Intake method |
Rated power kW/Ps |
Calibration speed r/min |
Oil supply method |
emission level |
power classification |
| WP4.1N* |
WP4.1NC120-18E220 |
Turbocharged |
88/120 |
1800 |
Electronically controlled common rail |
China II |
P1 |
| WP4.1NC143-18E220 |
Turbocharged |
105/143 |
1800 |
Electronically controlled common rail |
China II |
P1 |
| WP4.1NC130-21E220 |
Turbocharged |
95/130 |
2100 |
Electronically controlled common rail |
China II |
P1 |
| WP4.1NC163-21E220 |
Turbocharged |
120/163 |
2100 |
Electronically controlled common rail |
China II |
P1 |
| WP4.1NC177-23E220 |
Turbocharged |
130/177 |
2300 |
Electronically controlled common rail |
China II |
P3 |
| WP4.1NC190-26E220 |
Turbocharged |
140/190 |
2600 |
Electronically controlled common rail |
China II |
P3
|
WP4.1 series marine diesel engine
- Torque reserve 20%-35%
- Minimum fuel consumption 200g/kW.h
- Overhaul period 12000h
- Emissions meet China II
Product advantages
Reliable and durable
- The body, cylinder head, piston, bearing bush and other structural parts are newly designed, produced by Weichai Rui Power Base
- Utilizing Weichai's global excellent supplier system, the quality of parts is reliable
- Dust-free, constant temperature assembly workshop, high-precision test stand
Powerful
- Large torque in the low and medium speed range, continuous output and strong power
- Precise control by electronic control unit, high fuel injection pressure and excellent acceleration performance
- 50% rated speed can reach 132% rated torque
Economical and fuel-efficient
- Adopt high-pressure common rail technology, use Bosch fuel system, and Weichai's own ECU to precisely control the amount of fuel injection
- Minimum fuel consumption rate 200g/kW·h
- Oil replacement cycle ≥ 500h
Comfortable and environmentally friendly
- NVH optimized matching of the whole machine, low noise
- Gear chamber cover, cylinder head cover, closed flywheel housing noise reduction design to reduce noise leakage
- The use of electronically controlled multiple injections greatly reduces vibration and noise
- Emissions meet China’s Phase II regulatory requirements
Practical
- Optional vibration isolation pad, manual oil pump and other configurations to meet different customer needs
- Adjust different control strategies according to different performance requirements
- Receive/output a variety of control signals to meet automation control requirements
