OEM E312C E311 E307 Excavator Travel Motor Hydraulic Pump Parts | Tonkee®

The hydraulic pump in these excavators plays a pivotal role in generating the necessary fluid pressure to power the hydraulic motors responsible for the machine's travel.

These pumps are typically piston pumps, specifically axial piston pumps, known for their efficiency and reliability. They are designed to withstand the demanding conditions of excavation operations, providing a constant and reliable flow of hydraulic fluid.

Motor Types:
The travel motors in the E312C, E311, and E307 excavators are hydraulic motors responsible for driving the tracks and enabling the machine to move. These hydraulic motors can be of various types, such as axial piston motors or radial piston motors, depending on the specific design and manufacturer specifications.

The specifications of the hydraulic pump and travel motor components in these excavators are carefully engineered to ensure optimal performance. This includes considerations for flow rate, pressure, displacement, and overall efficiency. The flow rate of the hydraulic pump determines how much fluid it can deliver per unit of time, while the pressure rating indicates the force with which the fluid is delivered. Displacement is a crucial parameter, representing the volume of fluid displaced by the pump or motor in a single revolution.

Materials and Durability:
The parts of the hydraulic pump and travel motor are constructed with durable materials to withstand the harsh operating conditions of construction and excavation sites.

High-quality materials ensure longevity and reduce the risk of premature wear and tear. Common materials used include hardened steel for components that experience high levels of stress and wear-resistant materials for components that come into contact with abrasive substances.

Cooling Systems:
To maintain optimal operating temperatures and prevent overheating, hydraulic systems in these excavators are equipped with efficient cooling systems. This may include features like integrated cooling fins on the hydraulic pump and motor housings or additional cooling components to dissipate heat generated during operation.

Sealing and Contamination Control:
Given the nature of excavation work, it's essential to protect hydraulic components from external contaminants like dirt, debris, and water. Seals and gaskets are strategically placed to prevent the ingress of contaminants, ensuring the longevity and reliability of the hydraulic pump and travel motor.

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