Logistics
Dump trucks: working out CFT and loading correctly
Working out CFT in a dump truck, converting to cubic metres, and loading correctly without overloading.
16 September 20261 min read
Sand, stone and earth are usually bought and sold by CFT (cubic feet). How much is actually on the truck, and how much the truck can safely carry, are two different questions.
CFT and cubic metres
One cubic metre is about 35.31 CFT. Multiplying the body's inside length × width × load height (in feet) gives an approximate CFT figure.
Volume versus weight
The same CFT of wet sand weighs more than dry sand, and stone weighs more than earth. So a truck that is merely full by volume can still be over its weight limit, risky for the road, the bridges and the truck.
Loading it right
- Match the loader's bucket to the truck
- Spread the load evenly, never heavy on one side
- Be more careful with weight on wet material
- Cover loose loads for transport
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