TrucksShort review, description. Refrigerated semi-trailer Gray Adams R84 26.05.2022 /Photo: Gray Adams R84 Refrigerated semi-trailer R84 made by Gray Adams with a body volume of 84 cubic metersSpecifications Gray Adams R84:Refrigeration unitThermoKing SL-200Body volume84 m3SuspensionpneumaticType of brakesdisk