Construction Machinery: Medium-Sized Excavator Hitachi

Model	Specific ground pressure
ZX80LCK	31 kPa - 4.5 lb / sq. inch
ZX80	25 kPa - 3.6 lb / sq. inch
ZX75US-A	30 kPa - 4.4 lb / sq. inch
ZX75US	30 kPa - 4.4 lb / sq. inch
ZX70LC	30 kPa - 4.4 lb / sq. inch
ZX70	32 kPa - 4.6 lb / sq. inch
ZX60USB-3	34 kPa - 4.9 lb / sq. inch
ZX50U-3	28 kPa - 4.1 lb / sq. inch
ZX50U-2	30 kPa - 4.4 lb / sq. inch
EX60LC-5	27.5 kPa - 4 lb / sq. inch
EX60-5	29.4 kPa - 4.3 lb / sq. inch