This precise photo is believed to be the second mockup of Object 477A that could move on its own (also known as ХМ-2 which stands for Ходовой Макет - 2). The vehicle was also made into a model you can buy (see the picture below).
Edit: To make this post complete, here is the first ХМ-1 (based on the chassis of T-64):
Sources:
- ХЛОПОТОВ, Алексей. Харьковский “молоток” на шасси питерской “восьмидесятки” [online]. In: . [cit. 2024-03-11]. Available from: Gur Khan attacks!: Харьковский "молоток" на шасси питерской "восьмидесятки"
- Первые фотографии секретного «реактивного танка» Объект 477 [online]. In: . [cit. 2020-10-25]. Available from: https://topwar.ru/131422-pervye-fotografii-sekretnogo-reaktivnogo-tanka-obekt-477.html