Judging from the external appearance of this vehicle, it can be assumed that its body has a front-engine layout. It is also possible that the design of this vehicle may allow the installation of combat module. In such a case, it can already be about a heavy infantry fighting vehicle. The resource btvt_2019, which specializes in armored vehicles, writes about this.
The fact that such a vehicle is being tested attracts special attention, since heavy armored personnel carriers and/or infantry fighting vehicles have not been in service in the russian army at this time.
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As an example, we can mention the rare BMO-T Recovery Vehicle based on T-72 tank, of which, as of the beginning of 2022, there were only about 10 in the russian army. But in this case, there is, rather, a specialized vehicle for delivering flamethrowers, but not "classic" armored personnel carrier.

In addition, it should be noted that the heavy tracked armored vehicle with a front-mounted engine compartment is somewhat new in principle for russian developers.
With great confidence, for the production of such important BTR/IFVs, the Russians will use existing stocks of old T-90 and T-72 tanks.

According to OSINT analyst Covert Cabal, by August 2023, there could be 50 T-90 tanks as well as about 1,800 T-72 tanks of various modifications stored at russian bases.
Earlier, Defense Express reported, that Rare UMZ-G Minelayer on T-72 Base Rolled Out By russian Forces

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