| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sibiryak | grey | c | 1966 | Skupoy | 239 Bashnya | persheron | Minusinskaia GZK | |
| 340 Sibiryak | grey | c | 1968 | 212 Bars | 408 Siren | persheron | Oktiabrskii k.z. | |
| Sibiryanka | chest. in mix. | f | 2018 | 0023 Norilsk | 4599 Sirena | Russian Heavy Draft | Zakirov Zh.A. | |
| Siboritka | chestnut | f | 2016 | Rasputnik 24/10 | Sirena | Russian Heavy Draft | Laptyev A.A., Svyerdlovskaya obl. | |
| Sidelka | chestnut | f | 1978 | 960 Lazutchik | 2173 Serenada | Russian Heavy Draft | Krasnoarmeiskii konzavod №130 | |
| Sidney | chestnut | c | 2024 | Sake | Russian Heavy Draft | Koftunov S.A., g. Ekaterinburg | ||
| Sidney des Forges | f | persheron | ||||||
| Siesta | chestnut | f | 2003 | 0015 Samson | 0084 Soyka 48 | Russian Heavy Draft | ZAO PZ "Senovoskiy" | |
| Siesta | chestnut | f | 2006 | 1782 Speys | 4189 Sokrukha | Russian Heavy Draft | Azinskiy k.z. | |
| Siesta 03 | chestnut | f | 2017 | 0024 Signal | 4338 Sineglazka 26 | Russian Heavy Draft | Soyko Oleg Aleksandrovich |