SL60

SL60 refers to a designation used for various entities, most notably a type of aircraft engine and a model of industrial sewing machine. The Pratt & Whitney R-1830 Twin Wasp, a radial aircraft engine developed in the 1930s, was sometimes referred to by this designation. It was a widely used engine in many Allied aircraft during World War II. Another notable use of SL60 is in reference to a model of industrial sewing machine manufactured by Singer. These machines are known for their durability and are commonly used in manufacturing settings for heavy-duty stitching applications. The specific context in which SL60 is encountered will determine which of these meanings is most relevant. Further clarification is often required when discussing this term.