The pneumatic-tyre rollers from the HP series have been on the market across the world for several months and are showing what they can do in practice. This is a completely new generation of pneumatic-tyre rollers, which have been a permanent feature of HAMM's product range since the 1960s. The new HP series model stands out thanks to the large, newly designed water tank. Like the diesel tank, it is generously dimensioned so that the machines have sufficient capacity for a full working day without stopping to refill. For this reason alone, the rollers are already extremely productive