Construction Machinery: Medium-Sized Excavator Caterpillar

Model	Rotation speed
E70B	13.5 rev / min
308D CR SB	10 rev / min
308D CR	10 rev / min
308C CR	11.5 rev / min
307D	10 rev / min
307C SB	11 rev / min
307C	11 rev / min
305C CR	9 rev / min
304C CR	9 rev / min