This 4 in 1 lawnmower from webb is self propelled by a 775e series briggs amp stratton instart engine whilst the engine does not require priming due to their readystart easy start system the mower can be set to rear side discharge collect or mulch along with the single lever which adjusts the height of cut through 7 settings from 15 65mm the 60 litre grass collector can handle large jobs while the easi view feature allows you to check when it needs emptying