they also have other neat stuff. not converted though.
fuel consumption wise..that thing weight 20 tons lol.
also...the more axles and weight...the more itll drink.
there was this one tracked vehicle with another unit in tow(propelled by the first i believe),forgot what they are called.
for civilian use,etc. that thing they use to tow tanks out of snow/mud. those are the real monsters
one may consider if you want to go really anywhere.