https://www.liebherr.com/en-ph/n/liebherr-unveils-the-new-pr-716-crawler-dozer-at-conexpo-2017-24154-5934641
Liebherr has extended its Generation 6 crawler tractor line with the new PR 716 Litronic. The line now includes six models, with operating weights ranging from
the newcrawler dozerliebherrprconexpo