https://www.serafinmachinery.com.au/machinery/serafin-eco-speede-speed-disc-20-32-plate/

1x NEW Serafin ECO 3m Speed Tiller
22 x 5mm scalloped discs on 240mm spacing
Very strong and solid 12mm main RHS frame
450mm diameter tube roller with hydraulic adjustment of roller
Hydraulic cylinder with depth control stops
Maintenance free oversized Agri-hub style bearing
New cylinder depth stoppers fitted and supplied
Working depth 80-130mm, Working speed 8-12km/hr
CAT 2/3 Hitch type (Not suitable for quick hitch)