Mulcher/gator blades? Express Mower Parts

[Dunn's]

What is the difference between the T-4 high lift blades and the t-4 heavy duty blades. And which one do you think would be better on a couple of Ferris 32" Hydrocuts.Any help greatly appreciated.

[Tony12]

What is the difference between the T-4 high lift blades and the t-4 heavy duty blades. And which one do you think would be better on a couple of Ferris 32" Hydrocuts.Any help greatly appreciated.

I would like feedback on your question as well!

[traman]

What is the difference between the T-4 high lift blades and the t-4 heavy duty blades. And which one do you think would be better on a couple of Ferris 32" Hydrocuts.Any help greatly appreciated. the thickness of the blade ,i prefer the heavy duty they last longer ,hold an edge better