Caterpillar 1S-0057 Plate Clutch is a genuine Cat clutch plate used in plate-clutch assemblies on Caterpillar equipment. The part is specified as 6.35 mm thick, matching Cat's official 1S-0057 specification. Catalog listings identify it as a plate-clutch component designed for use in Cat heavy equipment transmissions. Sold through Cat Parts Store and authorized retailers, 1S-0057 is the standard plate-clutch plate identified by the catalog number.
