IMPORTANT NOTE: Compressor must be STATICALLY charged while the engine is NOT running to avoid compressor damage.
Oil MUST be drained and refilled to OEM specifications.
The HR980 rotary Tecumseh Compressor on Ford tractors built from 4-84 thru 12-88 was obsoleted. This compressor is the replacement compressor for the conversion kit, it will not replace the original Tecumseh.