One of the most rewarding parts of our hobby is tracing the lineage of a machine back to its origin. This discussion is dedicated to the technical art of decoding serial plates, casting marks, and production codes that have faded over decades of exposure. If you have encountered a tractor or engine with an unusual identifier that doesn’t appear in the standard handbooks, post it here. We are building a master index of engine and chassis numbers specifically for machines imported into Southern Africa. Please provide a clear, high-resolution close-up of the serial tag, the casting dates found on the engine block, and any known history regarding the machine’s first owner or province of arrival. Our goal is to use this collective data to estimate production months and identify regional variations in standard equipment that may have been unique to the South African market. Join us in piecing together the timeline of your own machine and helping others solve the puzzles that often hide behind layers of dirt and paint.