UPDATE 1-Caterpillar profit falls short on weak demand; cuts earnings outlook

(Adds details on the quarter)

Oct 23 (Reuters) - Caterpillar Inc fell short of Wall Street estimates for quarterly profit on Wednesday, hit by weak demand in its construction and mining equipment businesses, and the company cut its 2019 profit forecast, sending its shares down 5%.

The Deerfield, Illinois-based company, considered a bellwether for economic activity whose results often influence global stock market sentiment, has been suffering from the prolonged U.S.-China trade war.

"In the fourth quarter, we now expect end-user demand to be flat and dealers to make further inventory reductions due to global economic uncertainty," said Caterpillar Chief Executive Officer CEO Jim Umpleby.

Sales in the Asia Pacific region fell 13% to $2.68 billion in the third quarter.

Profit attributable to common stockholders fell to $1.49 billion, or $2.66 per share, in the three months ended Sept. 30, from $1.73 billion, or $2.88 per share, a year earlier.

Analysts on average expected Caterpillar to earn $2.88 per share, according to IBES data from Refinitiv.

Total sales and revenue fell 5.6% to $12.76 billion.

The world's biggest construction and mining equipment maker cut its 2019 earnings expectation to $10.90 to $11.40 per share, compared with its previous estimate of $12.06-$13.06. (Reporting by Rachit Vats in Bengaluru; Editing by Sriraj Kalluvila)