@Jasonsenipor Having worked with Cranes, and as a Rigger doing heavy lifts inside Boiler Houses etc they were fighting against themselves! Note my Comment above! I have worked Forestry also.
The Loader Boom on the Wagon is restraining the movement because it's on the ground next to the Come-a-Long, which is much too hard of a pull! Too bad the Loader Bucket was not left on the Tractor, it likely could have pushed it out backwards, OR lifted the front wheels high enough to put short logs under them.
Hade han styrt åt vänster när han backade och åt höger när han kör fram hade framhjulen varit ur spåret på två försök ! Sen lite timmer under bakhjulet och hade varit lös på max 5 minuter .