Fuel tanks on vintage tractors were mounted prominently across the top of the engine hood assembly. This elevated position facilitated gravity fuel flow directly into carburetors and simplified refueling from metal cans out in fields. The smooth, rounded steel fuel tank often formed a central part of the tractor's distinctive exterior silhouette. https://talvixo.com/looking-to-buy-a-purana-tractor-best-deals-inspection-guide/