Interesting thread (
archive) from a guy who seems to have had a decent amount of experience in the Army with trucks.
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As a tl;dr, he explains that you need to move a military truck once a month, to make sure there's no problems with tire inflation or lines leaking, stuff like that. Another concern is that if you leave a tire out in the sun for too long (like, for a few months) the tire - more specifically, the side walls - rot and the tire will rip itself apart if you put it on low pressure for any significant distance. He uses a photo of an abandoned Pantsir in the mud from a couple days ago to illustrate this:
His personal guess is that this Pantsir hadn't been moved in about a year before it was sent to the front. The conclusion he draws from this is that if the Russian Army couldn't be arsed to move a vehicle as expensive/important as a Pantsir, they definitely haven't moved their regular trucks, and thus the Russians literally cannot go offroad while the ground is muddy. The tires on their vehicles will fail and they'll have to abandon them. As it happens, Ukraine had a mild winter so they're sorta beginning to enter rasputitsa right now.
The implications of this, if everything is what he says it to be, is that the Ukrainians would hypothetically be able to start going Finn mode and begin enveloping and destroying Russian convoys... with the one exception that this wouldn't work in southern Ukraine or Crimea, since it's drier there.
