Ground Pressure Explained

Ground pressure is simply the machine's weight divided by the area it stands on. Get it wrong and a heavy machine sinks into soft ground, tears up finished surfaces, or becomes unstable on a slope. Get it right and the same weight sits safely where a wheeled machine would bog down.

Why tracks beat wheels on soft ground

Tracks spread the machine's weight over a long, wide contact area, so the pressure on any one point stays low. Wheels concentrate the load onto small contact patches — fine on hardstanding, a liability on a wet Cork field or a recently filled trench. This is why tracked dumpers and excavators are the default for soft, sloped or reinstated ground.

Protecting finished surfaces

Low ground pressure also matters on the opposite problem — driveways, lawns and paving you don't want to damage. Rubber-tracked machines distribute weight and avoid the point loading that cracks slabs or ruts a lawn, which is why they're preferred for domestic and landscaping work.

Practical takeaways

If the ground is soft, wet, sloped or freshly filled, ask for tracked machines. If you're working over a finished surface, ask for rubber tracks. And remember that a smaller machine at low ground pressure often outperforms a bigger one that sinks — size isn't the only factor in getting the job done.