| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Unikalny | grey | c | 2009 | 398 Kupon | 701 Udobnaya | persheron | Oktiabrskii k.z. | |
| 590 Unison | bay | c | 1995 | 519 Snegir | 1331 Ubyl | Vladimir | FGBU GZK "Arkhangyelskaya" s ippodromom | |
| Universalka | bay | f | 1944 | 137 KHitrets | Vladimir | |||
| Uolombina | chestnut | f | 1992 | 1536 Luchistyy | 3265 Kisa | Russian Heavy Draft | SPK "PKZ "Vologodsky" | |
| Upka | grey | f | 2013 | Parovoz | 705 Urva | persheron | horse farm Bogutskaya Elena | |
| Upor | black | c | 2011 | 432 Podarok | 704 Uprava | persheron | Oktiabrskii k.z. | |
| Upor | grey | c | 1998 | 367 Plombir | 660 Ulybka | persheron | Oktiabrskii k.z. | |
| 703 Upornaya | grey | f | 2000 | 367 Plombir | 660 Ulybka | persheron | Oktiabrskii k.z. | |
| Upper Boothay George | c | shire | ||||||
| 440 Uprav | grey | c | 2005 | 429 Pashtet | 660 Ulybka | persheron | Oktiabrskii k.z. |