The 20XP is an entry level whole tree track chipper and a great choice for those looking at a compact, yet rugged machine for lot and land clearing applications. Officially rated as a 22-inch capacity machine, this exceptionally versatile chipper actually features a large 26.25-inch by 24.5-inch throat opening to easily handle large whole trees. A Caterpillar 308 or 312B steel track undercarriage provides a stable travel platform.