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The ATI step key 0.750 x 0.750 is specified for a 3208 Caterpillar diesel hub and provides the keyed interface between shaft and hub for power transmission. This step key matches the listed dimensions and is intended where that exact hub and shaft geometry are required, offering a precise fit for the specified Caterpillar diesel application.
ATI Step Key - 0.750x0.750 Hub 3208 Caterpillar Diesel
