KevinFoshee said:"That 5' box blade may be too much for the Bolens. I would go back and trade it for a 4' blade. You will probably be more satisfied with the 4' blade performance. I would rather fully utilize my 4' blade than have to finesse a 5' blade. Just my .02"
My Mitsubishi D2000ii has 20hp at the pto. It has no problem with a 5' box blade full of dirt.
Try it before you trade anything.
I guess that depends on your soil conditions which can make a big difference. If you have clay and rock soil that I have you won't go far with your 5' box scraper, especially with the scarifers lowered at all.