Kovatch Mobile Equipment Corp. (KME) is recalling certain 2017-2019 Predator Rescue, SS Rescue, SS Aerial, Aerial, SS TDA and Tanker and Predator Panther Rescue and Aerial, 2016-2020 Predator Panther Pumper and Predator SS Pumper, 2017-2020 Predator Panther Tanker and Predator Pumper, 2017 Predator SS Tanker and 2017-2018 Predator TDA. In the event of a hydraulic system failure while raising or lowering the cab, the hydraulic velocity fuses may not activate and lock the cab in place to prevent the cab from quickly closing.