Where can you find which construction equipment manufacturers use Mitsubishi engines?

contact shin caterpillar company whom would be the one who supplies the Mitsubishi engines, go through the company listing of products as supplied to other manufactures and you should be able to track where and what they were supplied for in the way of equipment.

Visit http://www.diamonddiesels.co.UK/engref.HTML where you will find references and links to the various Mitsubishi engine types that are used by construction equipment manufacturers