A cleaning assembly for a harvester has a fan assembly with a fan and a first fan outlet and a second fan outlet, a first sieve assembly with at least one reciprocable sieve, an upstream end of the first sieve assembly near the first fan outlet such that air from the first fan outlet flows along the first sieve assembly and a direction of crop flow; and a second sieve assembly has at least one reciprocable sieve, an upstream stream end of the second sieve assembly near the second fan outlet such that the air from the second fan outlet flows along the second sieve assembly and the direction of crop flow, the second sieve assembly has a clean grain auger for receiving cleaned grain, and the first sieve assembly has a further clean grain auger arranged for receiving cleaned grain.