Caterpillar Sees 25-30 Pct. Revenue Rise  CHICAGO (Reuters) - Caterpillar Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=CAT.N target=/stocks/quickinfo/fullquote"&gt;CAT.N&lt;/A&gt;, the world's  largest maker of heavy equipment, boosted its 2004 revenue  outlook on Tuesday, citing strong demand.