Oktal acquires Sydac from Knorr-Bremse August 30, 2018 | Europe News Knorr-Bremse AG has sold Sydac, its driver training simulators business for rail vehicles, to Oktal, a subsidiary of the France-based Sogeclair. As per the agreement, Oktal will fully takeove... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password