<p>KKR &amp; Co LP&nbsp;and&nbsp;Carlyle Group LP&nbsp;are among the private equity firms considering buying Doosan&nbsp;Infracore&lsquo;s machine tools business, the Korea Economic Daily newspaper reported on Thursday.</p> <p>Analysts said the sale could fetch up to 2 trillion won ($1.7 billion).</p> <p>Other interested parties include MBK Partners and a private equity affiliate of Standard Chartered, the newspaper said, citing unnamed investment bankers. The potential investors have either visited the business or are planning to do so to conduct due diligence, it added.</p>