Liebherr R 9200 – (mining excavator)
The Liebherr R 9200 represents a modern example of heavy-duty mining machinery designed to meet the demanding needs of open-pit operations. In this article we examine its design philosophy, typical…
P&H 2355 – (mining shovel)
The P&H 2355 is a heavy-duty mining electric shovel that has been used worldwide in open-pit operations for digging, loading and material handling. This article examines the machine’s design, typical…
Case 2050M – (crawler dozer)
The Case 2050M crawler dozer is a powerful and versatile piece of heavy equipment designed for earthmoving, grading and site-preparation tasks. Widely used on construction sites, in mining, forestry and…









