Mining equipment both wheel loaders (WA 1200, CAT 994, LT 1850) and dump trucks (CAT 797, HD 930) are always getting bigger and heavier same as their tires (60/80-57; 59/80-63). pewag were first to fit chains on CAT 994 in 1992 and first in chaining the world largest tire 60/80-57 in 2003. 2007 in the lead again with the product launch of the new heavy duty TPC generation in 23mm.