Home/American Shipper/Caterpillar delays 3PL sale American Shipper Caterpillar delays 3PL sale FreightWaves Staff · Thursday, December 15, 2011 Facebook Twitter Pinterest LinkedInCaterpillar is still in talks with interested groups over a possible sale of its third-party logistics (3PL) business, but has pushed back the date on any deal due to concerns over the global economy.