In various embodiments, the present disclosure provides wet rotating disc engagement systems, e.g., a wet brake systems and/or wet clutch systems, for mobile platforms and/or stationary platforms, wherein the system comprises a plurality of first heat pipes having evaporator ends disposed within a plurality of first discs of the wet rotating disc engagement system and/or a plurality of second heat pipes having evaporator ends disposed within a plurality of second discs of the wet rotating disc engagement system. Additionally, condenser ends of the first and/or second heat pipes are disposed within oil retained within an oil reservoir of the wet rotating disc engagement system.