Dmitry Kulagin joined Loko in the 2017/2018 season. In winter, Dima helped Lokomotiv Kuban win the Russian Cup and was awarded MVP of the Final Four and the final game.
Playing for Loko, Kulagin reached the finals of EuroCup and got into the second Top-5 of the championship, averaging 11.2 points, 3.8 rebounds, 3.6 assists per 18 minutes.
In the VTB United League, Dima averaged 10.7 points and 3.3 assists and became the Best Defensive Player of the season.
In May 2008, Kulagin signed a 4-year contract with Loko.