04/30/2026
Most people think a forklift needs a clutch to move smoothly.
It doesn’t.
That smooth movement… the ability to stop with a load without stalling… and the way a forklift creeps forward at idle — all of that comes from one component: the torque converter.
And most operators never fully understand what’s happening inside it.
Inside the torque converter, there are no gears transferring power directly. Instead, it uses fluid movement to transfer energy from the engine to the transmission.
That fluid doesn’t just move power — it actually multiplies torque when the forklift is under load.
That’s why your forklift can:
✔ Move heavy loads from a dead stop
✔ Operate smoothly in tight spaces
✔ Avoid stalling even when braking
But here’s where things go wrong.
If the fluid breaks down, or internal components wear out, you’ll start noticing:
– Slipping under load
– Delayed acceleration
– Overheating transmission
– Burnt fluid smell
And most people blame the transmission… when the real issue starts inside the torque converter.
In this video, we break it down step by step:
• How the torque converter transfers power
• What torque multiplication actually means
• Why slip is necessary (and when it becomes a problem)
• What fails inside and how to spot it early
If you work on forklifts, understanding this system changes how you diagnose problems.
Watch the full breakdown here 👇
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