Given that armored IDF Caterpillar D9s can survive 500-1000 pound IEDs, which is larger than the explosive charge in any WWI artillery shell, getting mine clear

Given that armored IDF Caterpillar D9s can survive 500-1000 pound IEDs, which is larger than the explosive charge in any WWI artillery shell, getting mine clearing machines to survive isn't the problem. Finding said shells, which are dug deep into soggy ground, is a bigger problem.