Caterpillar Inc. (NYSE:CAT) is expected to release earnings results for its second quarter, before the opening bell on Tuesday, Aug. 6. Analysts expect the Irving, Texas-based company to report quarterly earnings at $5.54 per share, down slightly from $5.55 per share in the year-ago period. Analysts expect Caterpillar to post revenue of $16.68 billion, compared to $17.32 billion a year earlier. On June 28, Raymond James analyst Tim Thein initiated coverage on Caterpillar with a Market Perform rating. With the recent buzz around Caterpillar, some investors may be eyeing potential gains from the company's dividends. As of now, Caterpillar has a dividend yield of 0.45%, which is a quarterly dividend amount of 25 cents a share ($1.00 a year). To figure out how to earn $500 monthly from Caterpillar, we ...