Construction Machinery: Medium-Sized Excavator Caterpillar

Model	Specific ground pressure
E70B	32.4 kPa - 4.7 lb / sq. inch
308C CR	32.4 kPa - 4.7 lb / sq. inch
307C SB	36 kPa - 5.2 lb / sq. inch
307C	30 kPa - 4.4 lb / sq. inch