Weichai marine main engines for propulsion, grouped below by fuel and engine kind – diesel, natural gas, dual-fuel, methanol and biodiesel series, including craft engines. Engines are supplied as bare units for installation; gearbox matching, shaft generator, PTO, classification-society requirements and emission level are confirmed against your vessel data before quotation.
WP3.2 Series Marine Engine
Fuel type: ordinary diesel
| Power range (kW) | 25-36.8 |
| Speed range (r/min) | 1500-2400 |
WP2.3N Series Marine Engine
Fuel type: ordinary diesel
| Power range (kW) | 40-95 |
| Speed range (r/min) | 1800-3200 |
WP4.1N Series Marine Engine
Fuel type: ordinary diesel
| Power range (kW) | 88-140 |
| Speed range (r/min) | 1800-2600 |
WP4 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 60-95 |
| Speed range (r/min) | 1500-2100 |
WP6 Series Marine Engine
Fuel type: ordinary diesel
| Power range (kW) | 103-168 |
| Speed range (r/min) | 1500-2300 |
WP7 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 110-220 |
| Speed range (r/min) | 1500-2250 |
WD10 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 125-240 |
| Speed range (r/min) | 1500-2100 |
WD12 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 220-294 |
| Speed range (r/min) | 1500-2150 |
WP10 Series Boat Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 205-290 |
| Speed range (r/min) | 1500-2200 |
WP12 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 258-405 |
| Speed range (r/min) | 1500-2100 |
WP13 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 300-441 |
| Speed range (r/min) | 1500-2100 |
WP17T Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 405-588 |
| Speed range (r/min) | 1800 |
M33 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 368-1545 |
| Speed range (r/min) | 1500-1800 |
M55 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 1493-2941 |
| Speed range (r/min) | 1500-1800 |
M10S Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 220-360 |
| Speed range (r/min) | 3300 |
M21 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 478-1000 |
| Speed range (r/min) | 2300 |
M23 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 1103-2000 |
| Speed range (r/min) | 2450 |
M45 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 1600-4400 |
| Speed range (r/min) | 1600-2000 |
M170 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 6560-9100 |
| Speed range (r/min) | 1065 |
170 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 258-735 |
| Speed range (r/min) | 1000-1500 |
6WH17 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 515-882 |
| Speed range (r/min) | 1000-1500 |
8WH17 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 662-1000 |
| Speed range (r/min) | 1200-1500 |
12WH17 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 900-1450 |
| Speed range (r/min) | 1200-1500 |
12WH17M Series Marine Diesel Engine
Fuel type: ordinary fuel oil
| Power range (kW) | 1250-1800 |
| Speed range (r/min) | 1500-1800 |
16WH17 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 1654-2353 |
| Speed range (r/min) | 1500-1800 |
CW200 Series Marine Diesel Engine
Fuel type: ordinary diesel, heavy fuel oil 180cst/50°C
| Power range (kW) | 600-1760 |
| Speed range (r/min) | 750-1000 |
WH20 Series Marine Diesel Engine
Fuel type: ordinary diesel, heavy fuel oil 380cst/50°C
| Power range (kW) | 905-1600 |
| Speed range (r/min) | 750-1000 |
WHM210 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 905-1176 |
| Speed range (r/min) | 1000 |
CW250 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 1103-1960 |
| Speed range (r/min) | 750-1000 |
WH25 Series Marine Diesel Engine
Fuel type: ordinary diesel
| Power range (kW) | 1470-2680 |
| Speed range (r/min) | 750-1000 |
WH25 Series Marine Diesel Engine
Fuel type: heavy fuel oil 380cst/50°C
| Power range (kW) | 1470-2400 |
| Speed range (r/min) | 750-1000 |
WH28 Series Marine Diesel Engine
Fuel type: ordinary diesel, heavy fuel oil 380cst/50°C
| Power range (kW) | 2050-3600 |
| Speed range (r/min) | 650-800 |
S3 Series Marine Diesel Engine
Fuel type: ordinary diesel, heavy fuel oil 380cst/50°C
| Power range (kW) | 3000-6000 |
| Speed range (r/min) | 750 |
S4 Series Marine Engine
Fuel type: ordinary diesel, heavy fuel oil 380cst/50°C
| Power range (kW) | 5040 |
| Speed range (r/min) | 650 |
WH20NG Series Marine Gas Engine
Pilot fuel: diesel; main fuel: LNG
| Power range (kW) | 905-1100 |
| Speed range (r/min) | 1000 |
WHM6230NG Series Marine Gas Engine
Pilot fuel: diesel; main fuel: LNG
| Power range (kW) | 1103-1324 |
| Speed range (r/min) | 1000 |
WH20DF Series Marine Dual-Fuel Engine
Fuel type: diesel + LNG
| Power range (kW) | 1118-1200 |
| Speed range (r/min) | 1000 |
WP13ME Series Marine Methanol Engine
Fuel type: methanol
| Power range (kW) | 248-310 |
| Speed range (r/min) | 1500-1800 |
170ME Series Marine Methanol Engine
Fuel type: methanol
| Power range (kW) | 300-450 |
| Speed range (r/min) | 1000-1500 |
WH17ME Series Marine Methanol Engine
Fuel type: methanol
| Power range (kW) | 480-800 |
| Speed range (r/min) | 1200-1500 |
WHM6230ME Series Marine Methanol Engine
Pilot fuel: diesel; main fuel: methanol
| Power range (kW) | 900-1103 |
| Speed range (r/min) | 1000 |
WP13BF Series Marine Biodiesel Engine
Fuel type: diesel or B100 biodiesel
| Power range (kW) | 330 |
| Speed range (r/min) | 1800 |
M33BF Series Marine Biodiesel Engine
Fuel type: diesel or B100 biodiesel
| Power range (kW) | 487-610 |
| Speed range (r/min) | 1500-1800 |
170BF Series Marine Biodiesel Engine
Fuel type: diesel or B100 biodiesel
| Power range (kW) | 437-556 |
| Speed range (r/min) | 1200-1500 |
WH20BF Series Marine Biodiesel Engine
Fuel type: diesel or B100 biodiesel
| Power range (kW) | 1000-1200 |
| Speed range (r/min) | 1000 |