Construction Machinery: Medium-Sized Excavator Caterpillar

Model	Shoe dimensions	Track width	Specific ground pressure	Maximum travel speed	Rolling bearings number on either side	Hook traction force
E70B	450 mm - 17.7 inch	1750 mm - 5.7 ft.	32.4 kPa - 4.7 lb / sq. inch	4.1 km/h - 2.5 mile / h	5	45.1 kN - 10141 pound
308D CR SB	450 mm - 17.7 inch	1870 mm - 6.1 ft.		5 km/h - 3.1 mile / h
308D CR	450 mm - 17.7 inch	1870 mm - 6.1 ft.		5 km/h - 3.1 mile / h
308C CR	450 mm - 18 inch	1870 mm - 6.2 ft.	32.4 kPa - 4.7 lb / sq. inch	5.3 km/h - 3.3 mile / h
307D	450 mm - 17.7 inch	1840 mm - 6 ft.		1.9 km/h - 1.2 mile / h
307C SB	450 mm - 17.7 inch	1750 mm - 5.7 ft.	36 kPa - 5.2 lb / sq. inch	5.3 km/h - 3.3 mile / h		57 kN - 12810 pound
307C	450 mm - 17.7 inch	1750 mm - 5.7 ft.	30 kPa - 4.4 lb / sq. inch	5.3 km/h - 3.3 mile / h		57 kN - 12810 pound
307B SB	450 mm - 17.7 inch	1750 mm - 5.7 ft.		5 km/h - 3.1 mile / h		54 kN - 12130 pound
307B	450 mm - 17.7 inch	1750 mm - 5.7 ft.		5 km/h - 3.1 mile / h		54 kN - 12130 pound
305C CR	400 mm - 16 inch	1580 mm - 5.2 ft.		4.6 km/h - 2.8 mile / h
304C CR	400 mm - 16 inch	1580 mm - 5.2 ft.		4.6 km/h - 2.8 mile / h