# mass

> The mass of the wheel, expressed in kilograms. Must be larger than zero. Typical values would be in range (20,80).

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.VehiclesModule

```csharp
public float mass { get; set; }
```