JCB Double Drum Walk Behind Roller Model Number: VMD 70 The JCB VMD 70 is the smaller of our two class-leading double drum walk behind rollers. It’s powered by a 462 cc 6.6 kW Hatz engine and it offers best-in-class productivity, manoeuvrability, kerb clearance, safety and serviceability. Operating weight is 740 kg, centrifugal force is 21.9 kN and drum width is 650 mm. Compare View Product JCB Double Drum Walk Behind Roller Model Number: VMD 100 The JCB VMD 100 is our larger class-leading double drum walk behind roller. It’s powered by a 462 cc 6.6 kW Hatz engine and it offers best-in-class productivity, manoeuvrability, kerb clearance, safety and serviceability. Operating weight is 920 kg, centrifugal force is 23 kN and drum width is 750 mm. Compare View Product