Browse Caterpillar 420 Backhoes for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 216 listings. Caterpillar 420 Backhoe pricing ranges from $22,000 to $198,262 based on recent marketplace data. Filter by price, hours, or horsepower to find the right Caterpillar 420 Backhoe.