For example:
* 4x2: This means the truck has four wheels total, but only two are driven (typically the rear two). This is a common configuration for pickup trucks and smaller delivery trucks.
* 4x4: This means the truck has four wheels and all four are driven. This is a common configuration for off-road vehicles and SUVs.
* 6x4: This means the truck has six wheels, and four of them are driven (typically the rear four). This is common for larger trucks like semi-tractors.
Since "4 x truck" doesn't follow this standard, it's likely either:
* A typo or miscommunication: Perhaps the intended term was 4x2 or 4x4.
* A colloquialism or regional term: It might be a local nickname for a particular type of truck in a specific area.
* Part of a more complete description: There could be additional information needed to understand the meaning.
To understand what a "4 x truck" refers to, you'd need more context.