Hydrostatic transmission is a transmission system that uses hydraulic fluid to transfer power from the engine to the wheels or other moving parts of a machine. This type of transmission system offers a smooth and responsive way to control machinery, as it doesn't rely on traditional mechanical gears and clutches. Instead, it utilizes a hydraulic pump and motors to convert mechanical energy into hydraulic energy and back, allowing for precise control over the machine’s movements.

How Hydrostatic Transmission Works

Hydraulic Pump: The core of the system is a hydraulic pump, typically a variable displacement pump, which is driven by the engine. This pump pressurizes hydraulic fluid, creating a flow of high-pressure fluid that is the lifeblood of the system.
Hydraulic Motors: This pressurized fluid is channeled to hydraulic motors that convert the hydraulic energy back into mechanical energy. These motors are connected to the wheels or tracks, propelling the machine. The amount and direction of the flow of hydraulic fluid to these motors determine the speed and direction of the machine, providing a high level of control for the operator.
Control Mechanisms: Operators manage the hydrostatic transmission through pedals or levers that adjust the displacement of the hydraulic pump. This change in displacement alters the flow of hydraulic fluid, allowing for smooth, variable speed control and the ability to switch between forward and reverse movements without needing to shift gears.

This system enhances the control and maneuverability of machinery, particularly beneficial in applications requiring precise, efficient operations, such as in Hydrema dump trucks and wheeled excavators. Hydrostatic transmissions ensure that these machines can handle complex tasks and navigate difficult terrains with ease.

Benefits of Hydrostatic Transmission

Smooth and Precise Control: Hydrostatic transmission provides smooth and precise control over the machine's speed and direction. This level of control is crucial for applications that demand fine adjustments, such as grading, loading, or maneuvering in tight spaces. The ability to minutely adjust movements enhances the functionality and versatility of the machine in complex environments.
Infinitely Variable Speed: The system allows for infinitely variable speed control, enabling operators to adjust the machine's speed seamlessly from a complete stop to maximum speed without the need for shifting gears. This feature offers a continuous range of speeds, ensuring the operator can select the exact speed needed for any specific task without interruption.
Enhanced Operator Comfort: The absence of gear shifts and the overall smooth operation of hydrostatic transmission systems significantly reduce vibrations and jarring transitions, minimizing operator fatigue. This smoother operation allows for extended work periods without discomfort, increasing productivity and operator satisfaction.
High Efficiency in Low-Speed Operations: Hydrostatic transmissions excel in tasks that require low-speed precision. They are especially efficient at low speeds, where precise, slow-speed control is often necessary for detailed or delicate operations. This efficiency is advantageous in environments like construction sites or landscaping projects where precision is key to successful task completion.

Hydrostatic Transmission in Hydrema Machines

We incorporate hydrostatic transmission into several of our machines to enhance maneuverability and control. This advanced transmission system is featured in:

Hydrema 912G-Series Dump Trucks: Our 912G dump trucks benefit from the hydrostatic transmission’s ability to provide smooth and controlled operation, especially in challenging terrains and confined spaces. This makes them highly effective for projects that require agility and precision in maneuvering.
Hydrema 707G-Series Dump Trucks: The compact design of our 707G dump trucks, combined with hydrostatic transmission, ensures exceptional maneuverability and precise speed control. These trucks are ideal for urban environments and smaller job sites where space is limited and precise handling is crucial.
Hydrema Excavators: Hydrostatic transmission in our wheeled excavators allows for smooth and precise movements, enabling operators to perform tasks that require accuracy, such as trenching and fine grading. The enhanced control provided by hydrostatic transmission ensures that these machines can tackle complex tasks with ease.

Hydrostatic transmission in Hydrema machines ensures that operators have the control and responsiveness needed for tasks requiring precise movements and consistent power delivery, particularly in challenging or confined workspaces. This integration not only boosts performance but also enhances the overall efficiency and effectiveness of the equipment on any job site.