The Donaldson P778984 is a high-quality primary radialseal air filter designed to provide superior engine protection for various Lindner agricultural machines. This genuine Donaldson filter ensures optimal air intake, preventing harmful contaminants from reaching the engine. With an outer diameter of 144 mm, an inner diameter of 85 mm, and a length of 260 mm, it offers a precise fit and reliable performance for models including Lindner Lintrac 90, 95, 110, 115, Unitrac 102, 112, and Geotrac 84, 94, 104, 114. It is a direct replacement for Lindner OEM part 2040000000000 and cross-references to aftermarket numbers like MANN C15300 and Hengst E1000L.