[OPEN-SOURCE] Machinery Modelling Toolkit

I do not know which unit it uses force.
As for traction in Newton that was my assumption.
This is a database of Russian games Mechanoids
For example, the most simple engine

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The most powerful engine http://dl2.joxi.net/drive/2016/10/03/0014/3365/982309/09/0e4aa8e2f4.png
It is already calculated in the game http://dl2.joxi.net/drive/2016/10/03/0014/3365/982309/09/95d95cb74d.png
The total weight of the glider and the engine turns 1080 kg
The game is a sci-fi so it is difficult to determine something.