Its quite a range based on your land type, hills, sand and compaction level. A well ballast tractor makes a big difference. Here is the ranges based on a few sizes, Required power, hp (kW) 14ft Unit - 280 to 420 (209 to 313) 18ft Unit - 360 to 520 (268 to 388) 22ft Unit - 440 to 620 (328 to 462)
Just the front disc gangs alone do a really good job , that's pretty heavy stubble!!
How Much hp per ft do need.
Its quite a range based on your land type, hills, sand and compaction level. A well ballast tractor makes a big difference. Here is the ranges based on a few sizes, Required power, hp (kW) 14ft Unit - 280 to 420 (209 to 313) 18ft Unit - 360 to 520 (268 to 388) 22ft Unit - 440 to 620 (328 to 462)
The only way to make your soil into a sponge is to not destroy the structure