Object 252U is one of the preliminary designs prepared for the development of the heavy tank IS-6. Sketch documentation was created by the end of 1944, but the further development of the IS-6 was collapsed, and with it, work on this version of the machine. The tank was not adopted for service.

Requirements for the model:
- Rhino Tracks.cs

The Model:
- LOD 0
- Replaces model Rhino
- Mipmappig
- The presence shine
- His own shadow and collision
- Working gun
- Working turret
- 2 skin versions

Rhino Tracks.cs:
- working rollers
- working tracks