odin55The MT-55A (Slovak: Mostný tank) is an armored vehicle-launched bridge (AVLB) tank, manufactured by ZTS Martin in Slovakia. The AVLB is based on a T-55A medium tank chassis, with the turret detached and replaced by special bridgePreface: This article has a spec sheet from the OEM. Your tube should be marked as a C55-A model. If you have a 60W Odin-32 then this is not your tube.