The C4.4 four - cylinder diesel engine assembly is a high - performance power unit that incorporates advanced technologies such as electronic fuel injection and a turbocharger. It is designed for a wide range of applications including construction equipment, agricultural machinery, and generators.
2. Engine Configuration
Cylinder Arrangement:
The engine has a four - cylinder in - line configuration. This layout provides a smooth and balanced power output as the power strokes of the four cylinders are evenly spaced. It also simplifies the engine's design and maintenance, making it a popular choice for many applications.
Bore and Stroke:
The bore (cylinder diameter) and stroke (piston travel distance) are key dimensions that determine the engine's displacement. For the C4.4 engine, the bore might typically range from 105 - 110 mm and the stroke from 125 - 130 mm. These dimensions result in an effective displacement that affects the engine's power and torque characteristics.
3. Power and Performance
Rated Power:
The rated power of the C4.4 engine varies depending on the specific application and tuning. It can range from around 80 - 130 kW (kilowatts). The power output is achieved at a specific rotational speed, usually in the range of 1800 - 2200 revolutions per minute (rpm), which is optimized for the engine's efficiency and the requirements of the driven equipment.
Torque Output:
The torque output of the engine is a crucial performance parameter. Using the formula , the engine provides a significant amount of torque to drive various loads. At the rated speed, the torque curve is designed to offer good low - speed torque for better starting and acceleration characteristics. The torque values can range from a few hundred to over a thousand Newton - meters, depending on the operating conditions and the model.
Speed Range:
The operating speed range of the engine typically extends from an idle speed of around 600 - 800 rpm to the maximum rated speed. This range allows the engine to operate effectively in different applications, from slow - moving machinery to those requiring higher speeds for power generation or other functions.