The 422-horsepower Liebherr PR 764

infomine - mining equipment and supplier news | October 23, 2008 | 5:34 pm

Introduced at Minexpo 2008, the 422-horsepower Liebherr PR 764 Litronic tractor boasts an operating weight of 52.5 metric tons, staking a claim as the world’s largest hydrostatically-driven crawler dozer…more at Liebherr.com