Two 20 year old Mechs converted to Ogre 1 models in 1.3 or 1.4 format.
LICENCE - SA-BY-SA https://creativecommons.org/licenses/by-sa/4.0/
Unfortunately I have been unable to tame the Ogre and convert their animations TYhe first is Beholder, a chicken walker done by Walter (Jan Sluka) the second by Dark Angel (Gabriella) I used these to derive a number of others.
There are more mechs in the Mech repo in Quake MD5 format