The GRW 101 static rubber tyred roller is equipped with a hydrodynamic  convertor and a two - speed reverse gear. The undercarriage has eight wheels equipped with tyres especially designed for compaction tasks. The four front wheels are steerable, the four rear ones are  driving wheels. The tyre inflation pressure is adjustable even during travel. Ballast plates can be used for compaction in earthmoving and in building macadam roads, and that for compacting wear layers, soil and bituminous carpets.