Horizontal Shaft Impactor (HSI) joins Superior's growing ...
Dec 22, 2019· Horizontal Shaft Impactor (HSI) joins Superior's growing group of crushers. December 22, 2019. Superior Industries, Inc. has announced that it plans to debut its brand new Sentry™ Horizontal Shaft Impactor (HSI) at CONEXPO-CON/AGG 2020 . It's one of a dozen new products the company will introduce during the Las Vegas trade show in March.