A wide harrow does a lot of work per pass. It's called the Degelman StrawMaster 120, has 36 meters of reach and is foldable. It requires a tractor with an engine producing about 550 horsepower.
The mod for the yellow Degelman StrawMaster 120 unit is made for Farming Simulator 23 Mobile tractors. The cost of a harrow in an agricultural store is 27,400 US dollars (virtual).