Spray booms RHA 28 to 40 m Technical specifications : Aluminium booms from 32 to 38 m. Hydraulic unfolding between inner and outer sections. Equipped with 50/30 S450mm cylinders with end-of-stroke dampening. Aluminium ramp structure : This ramp is available from the following manufacturers : RHA Evrard-rha_blue_edition-36m evrard_rha Tonne à vinasse-RHA_1 Tonne à vinasse-RHA_2