Detailed explanation of wheel excavator specifications: Analysis of core indicators from model to operation performance

Mar 27th,2025 41 Views

Wheeled excavator is an important equipment in engineering construction, and its "specification parameters" directly determine the operation efficiency, application scene and economy. For users, a deep understanding of the meaning and impact of these parameters is the key to choosing the right model. The following analyzes the core specifications of wheeled excavators from the dimensions of model classification, power system, operating range, hydraulic configuration, etc.

1. Model classification and basic parameters

The type of wheeled excavator usually consists of the brand, tonnage and series name, such as "15 ton wheeled excavator". Different models correspond to different "machine weight" and "rated power", which directly affect the power performance and operation capability of the equipment. For example, small wheeled excavators (such as 6-ton excavators) are suitable for "small-range operation scenarios" such as urban pipeline maintenance and landscaping, while large models (such as 20-ton excavators) are more suitable for high-intensity working conditions such as mining and large-scale earthworks. In addition, the model is also associated with dimensional parameters such as "wheelbase" and "wheel base", which determine the stability and maneuverability of the equipment.

Ii. Engine and power system parameters

Engine is the power core of wheeled excavator, and its "rated power" and "maximum torque" directly affect the digging force and working efficiency of equipment. For example, one type of wheeled excavator is equipped with a 120kW engine, which provides sufficient power reserve during heavy excavation. At the same time, the "fuel consumption rate" of the engine is also a key indicator, and the low fuel consumption design can significantly reduce operating costs, especially for long-term users. In addition, emission standards (such as country 4, Euro 5) are also parameters that need to be paid attention to when purchasing, which is related to the environmental compliance of equipment.

3. Operating range and performance parameters

1. Digging radius and depth:

"Maximum excavation radius" and "maximum excavation depth" are the core parameters to measure the operating range of wheeled excavators. For example, the maximum excavation radius of a certain model is 8.5 meters, and the maximum excavation depth is 5.2 meters, which can meet the depth needs of most municipal projects. These parameters directly affect the adaptability of the equipment under different working conditions, such as pipeline laying, foundation pit excavation, etc.

2. Unloading height and digging height:

The "maximum unloading height" determines how easily the equipment can load the material to the truck, while the "maximum excavation height" affects its performance in elevated work or stacking scenarios. For example, the high unloading height design reduces material spills and increases loading efficiency.

Four, hydraulic system and control parameters

Hydraulic system is the "nerve center" of wheeled excavator, and its "system pressure" and "flow" directly affect the speed of action and digging force. For example, high-pressure hydraulic systems (such as 35MPa) can provide stronger digging forces, while large flow designs (such as 200L/min) can speed up the response speed of the boom and bucket rod. In addition, the "compound action coordination" is also an important indicator, and the excellent hydraulic system can ensure the stability of the simultaneous execution of multiple actions and improve the efficiency of the operation.

5. Weight, size and tire configuration

1. Weight and ground pressure:

The weight of the whole machine affects the stability of the equipment, and the "ground specific pressure" is related to the degree of damage to the ground. For example, the lightweight design with wide body tires can reduce the specific ground pressure, suitable for sensitive ground operations such as fields and lawns.
2. Tire specifications and driving mode:

Tire size (e.g. 23.5-25) and type (e.g., off-road pattern tires) determine the passability and grip of the device. Four-wheel-drive excavators have better maneuverability in complex terrain, while two-wheel-drive models are more suitable for hard road work.

6. Operation efficiency and economic parameters

1. Bucket capacity and cycle time:

The "standard bucket capacity" (e.g. 0.8 cubic meters) and the "working cycle time" (e.g. 12 seconds/time) directly affect the amount of work per unit time. Large bucket capacity with short cycle time can significantly improve the efficiency of earthwork.

2. Maintenance convenience and service life:

The maintenance cycle (such as 500 hours/time) and the design life of key components (such as hydraulic pumps, engines) are important indicators to measure the economy of equipment. The long life and low maintenance cost models can reduce the long-term use cost of users.

Conclusion

The "specification parameters" of wheeled excavators are the quantitative embodiment of their performance, covering many dimensions such as power, operation range and maneuverability. When purchasing, users need to combine the specific "construction scenario" and "demand pain point", comprehensively consider the model, engine performance, hydraulic system and other core indicators, and choose the equipment that best matches their needs. Through the in-depth analysis of the specification parameters, not only can improve the efficiency of the operation, but also maximize the economic benefit.

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