Caterpillar (NYSE:CAT) reported quarterly earnings of $5.54 per share which beat the analyst consensus estimate of $4.62 by 19.91 percent. This is a 30.35 percent increase over earnings of $4.25 per share from the same period last year. The company reported quarterly sales of $17.400 billion which beat the analyst consensus estimate of $16.612 billion by 4.74 percent. This is a 22.11 percent increase over sales of $14.249 billion the same period last year.