I have nostalgii for the good game the SimTractor (
www.simtractor.com), the development be ending in 2010.
I try to create "similarly" the game,
I started in Janurary 2016
I use the program 3D Game Studio A8
http://www.3dgamestudio.com/
first look
existing function:
rotation wheels, front fenders
speed setting
next function:
fixed position the tractor + wheels
have fun.