- ChangChun City, Jilin Province, China
by 
The 4DW engine is designed with a focus on efficiency, ensuring optimal fuel consumption and power output. This feature makes it a cost-effective solution for various power generation needs.
The engine boasts a robust and durable construction, capable of withstanding challenging operating conditions. This durability contributes to the engine’s long lifespan and reduced maintenance requirements.
| Engine model | 4DW81-23D | 4DW91-29D | 4DW92-35D | 4DW93-42D |
| Type | 4-cylinder 4-stroke | |||
| Air intake type | Natural | Natural | Turbocharged | Turbo& intercool |
| Cooling mode | Water cooling | |||
| Governor mode | Mechanical& electronic | |||
| Bore×Stroke(mm） | 85×100 | 90×100 | ||
| Compression ratio | 17:1 | |||
| Rated speed(rpm) | 1500 | |||
| Displacement(L) | 2.27 | 2.54 | ||
| Rated power(without fan)(kW) | 17 | 21 | 26 | 31 |
| Standby power(without fan)(kW) | 19 | 23 | 29 | 34 |
| Fuel consumption(g/kWh) | 240 | 240 | 230 | 216 |
| Oil consumption(L/h) | 0.05 | 0.05 | 0.04 | 0.04 |
| Steady state speed regulation(%) | ≤5 | ≤5 | ≤5 | ≤5 |
| Oil capacity including filter(L) | 7.8 | 8 | 8 | 8 |
| Emission compliant | StageⅡ | |||
| The flywheel shell interface | SAE4 | |||
| Flywheel for 7.5″& 10″flexible coupling | ||||
| Dry weight of base(kg) | 220 | 220 | 240 | 240 |
| Dry weight of Gen Pac(kg) | 240 | 240 | 260 | 280 |
| Overall dimension(base)(mm) | 750×555×680 | 750×555×680 | 750×600×735 | |
| Overall dimension(G.P)(mm) | 920×610×760 | 1120×810×760 | ||
| Fan consumption（kW） | 1.2 | 1.6 | 1.8 | 2 |
| 27℃ air consumption（m3/min） | 1.4 | 1.7 | 2.1 | 2.4 |
| Heat rejection of exhaust（kW） | 17.2 | 17.4 | 20.6 | 23.1 |
| Exhaust gas temperature after turbine（℃） | 550 | 450 | 450 | 450 |
| Exhaust gas flow（m3/min） | 4.2 | 4.6 | 5.9 | 6.7 |
| Heat rejection from engine（kW） | 1.1 | 1.3 | 1.6 | 1.9 |
| Heat rejection of coolant（kW） | 11 | 13.7 | 16.9 | 17.1 |
| Base configuration | Standard configuration(add on the base) | |||
| Engine with fan | Intake and exhaust sysytem: Air filter and connecting pipes; Connecting flang of exhaust pipe | |||
| Alternator 500W 14V Starter motor 3.5kW 12V | Cooling system: Radiator with connecting pipes; Fan guard; Belt guard | |||
Reliable Power Output: The engine is designed to deliver a consistent and reliable power output, making it a dependable source of energy for critical applications. This reliability is essential for sectors where uninterrupted power is paramount.
The engine is engineered with user-friendly maintenance features, simplifying routine checks and service procedures. This contributes to reduced downtime and overall operational efficiency.
| Engine model | 4DX21-53D | 4DX22-60D | 4DX23-82D |
| Type | 4-cylinder 4-stroke | ||
| Air intake type | Natural | Turbocharged | Turbocharged& intercooling |
| Cooling mode | Water cooling | ||
| Governor mode | Mechanical or electronic | ||
| Bore×Stroke(mm） | 102×118 | ||
| Compression ratio | 17:1 | ||
| Rated speed(rpm) | 1800 | ||
| Displacement(L) | 3.86 | ||
| Rated power(without fan)(kW) | 39 | 45 | 60 |
| Standby power(without fan)(kW) | 43 | 50 | 66 |
| Fuel consumption(g/kWh) | 230 | 220 | 215 |
| Oil consumption(L/h) | 0.06 | 0.05 | 0.05 |
| Steady state speed regulation(%) | ≤5 or ≤3 | ||
| Oil capacity including filter(L) | 12.5 | 13 | 13 |
| Emission compliant | StageⅡ | ||
| The flywheel shell interface | SAE3 | ||
| Flywheel for 11.5″flexible coupling | |||
| Dry weight of base(kg) | 350 | 380 | 380 |
| Dry weight of Gen Pac(kg) | 375 | 405 | 410 |
| Fan consumption（kW） | 2.2 | 2.5 | 3 |
| Base configuration | Standard configuration(add on the base) | ||
| Engine with fan | Intake and exhaust sysytem: Air filter and connecting pipes; Connecting flang of exhaust pipe | ||
| Alternator 35A 28V Starter motor 4.5kW 24V | Cooling system: Radiator with connecting pipes; Fan guard; Belt guard | ||
The 4DW Generating Set Engine is known for its advanced technical features, making it a reliable choice for power generation applications. Some of its key technical characteristics include:
● High Efficiency: The 4DW engine is designed with a focus on efficiency, ensuring optimal fuel consumption and power output. This feature makes it a cost-effective solution for various power generation needs.
Packaging:In order to better ensure the safe delivery of FAW Generator Engines, we will provide professional, environmentally friendly, solid and efficient packaging services. Double packing of inner plastic bag and outer carton or wooden box, also can be packed according to customer’s requirement.
Transportation:FAW Generator Engines are packed in containers and transported through ports. For sample orders, small orders or urgent orders, express delivery will be a better way.
FAW is one of China’s oldest and largest automotive manufacturers, with registered capital of RMB 35.4 billion yuan and total assets of RMB 457.83 billion yuan.
CHINA FAW GROUP CO., LTD. (short for FAW), formerly China First Automobile Works, can trace its roots back to Jul 15, 1953, when its first assembly plant started to be constructed. FAW is one of China’s oldest and largest automotive manufacturers, with registered capital of RMB 35.4 billion yuan and total assets of RMB 457.83 billion yuan.
China heavy truck sales global “five in a row”, heavy truck sales global “six in a row”, tractor sales for 16 consecutive years absolute leading industry.
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