This is the Takom Russian Army Tank Transporter, specifically a MAZ-537G Tractor with a CHMZAP-5247G trailer. I have developed a fondness for tank transporters, this one is finished as serving with the Afghani Northern Alliance using Star Decals. Figures are from Paracel.
Diorama construction here: https://inchhighguy.wordpress.com/2021/04/23/afghanistan-northern-alliance-diorama-build-in-1-72-scale/