The KSI range of injection attachments are available in two sizes for mounting on excavators between 40 and 120 ton operating weight and can be supplied with a range of blade lengths. The drive unit for the KSI 7000 can work with blades for 5, 6 and 7 m mixing depths and the larger KSI 12000 with blades for mixing depths of 6, 8, 10, or 12 m. Both models can be supplied with a rotation module as an optional extra.