What main features should I expect from a wheeled lawn and leaf sweeper?

•  Good, easy rolling wheels with positive grip for slippery conditions

•  A decent sized leaf collector/hopper. Perhaps from around 200 litres on a push model up to 700 litres or more for larger tow behind versions

•  Height adjustment for different conditions (this can vary from several position adjustment all the way up to infinite height adjustment on more advanced models

•  A decent working width, perhaps from perhaps 60-70 cm for a domestic push leaf sweeper up to 100 or so centimetres or more on larger models