Construction Machinery: Medium-Sized Excavator Caterpillar

Model	Track width
E70B	1750 mm - 5.7 ft.
308D CR SB	1870 mm - 6.1 ft.
308D CR	1870 mm - 6.1 ft.
308C CR	1870 mm - 6.2 ft.
307D	1840 mm - 6 ft.
307C SB	1750 mm - 5.7 ft.
307C	1750 mm - 5.7 ft.
307B SB	1750 mm - 5.7 ft.
307B	1750 mm - 5.7 ft.
305C CR	1580 mm - 5.2 ft.
304C CR	1580 mm - 5.2 ft.