Download Off-road Vehicle Physics Kit FREE Unity. 

Off-road vehicle physics kit is a set of scripts and models simulating off-road and heavy vehicle behavior.
Scripts are easy to use and customize, with no coding required to implement.
It can be used as a base for a game or an addition to an existing one.

TRY IT OUT! (WEB DEMO)

FEATURES:

* Multiple axles per vehicle
* Realistic powertrain simulation with adjustable gear ratios, power curve approximation, torque calculation and distribution based on grip, etc.

* C#