July 25 (Reuters) - Caterpillar Inc, the world's largest maker of construction machines, posted a 67 percent jump in quarterly profit on Wednesday and raised its forecast for 2012 earnings.
The company reported a second-quarter profit of $1.67 billion, or $2.54 per share, compared with $1.02 billion, or $1.52 per share, a yea earlier.
Revenue rose 21 percent to $17.37 billion.
The company now expects to earn $9.60 per share in 2012, up from a previous forecast of $9.50.
Reporting by Ernest Scheyder in New York; Editing by Lisa Von Ahn