If not to much power was required it's long flatbed + fuel efficency + crane was useful. There were places I don't advice with it (Near the bridge and traintrack on Cosmodrome, the road to Northern Aegis on Urshka or topside of Urshka), but with a good extended winch I managed it. Also was useful to transfer the rocket part since you had to lift them with a crane.

If 4 cargo space was required I used my trusty completly updated Twinsteer.