A loader backhoe torque converter works by using hydraulic fluid to transfer power from the engine to the transmission. It replaces a traditional clutch and allows the machine to operate smoothly without direct mechanical connection.
How It Works – Step by Step
1. Power Input (Engine to Impeller)
• The engine drives the impeller (pump), which is inside the torque converter.
• The impeller spins and pushes transmission fluid outward due to centrifugal force.
2. Fluid Transfer to Turbine
• The fluid moves from the impeller to the turbine, which is connected to the transmission input shaft.
• As the turbine spins, it transfers power to the transmission, moving the backhoe loader.
3. Torque Multiplication (Stator Function)
• Between the impeller and turbine, there is a stator that redirects fluid flow.
• This redirection increases torque, helping the machine handle heavy loads efficiently.
4. Speed Regulation & Automatic Control
• At low speeds or high resistance (e.g., digging), the stator increases torque.
• At high speeds, the torque converter allows smooth power flow, improving efficiency.
Key Advantages
✔️ Smooth Power Transfer – No direct mechanical link, reducing stress on components.
✔️ Torque Boosting – Helps push or dig heavy materials with more force.
✔️ No Manual Clutch Needed – The machine can stop and start without disengaging power.
If a torque converter fails, symptoms like sluggish movement, overheating, or power loss may occur, indicating issues like worn-out fluid, clogged filters, or internal damage.
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