Will my BX25 be able to do this?

[TLB 26 Hammer]

There's no doubt your tractor is powerful enough to do this - but whatever you do - make sure your mechanical boom lock is in place so you are not pulling on the hydraulic system. In this configuration you could easily overpower the capacity of your hydraulics and possibly cause an expensive leak or break. If it were me I would remove the BH. Good insurance. But have fun.