Best Dozer Setup for Pioneer Cuts?

Curious to see what y'all have found to be the best "mountain dozer" for building logging roads, pioneer cuts, ranch roads on steep, rugged terrain?

We have a d5h with a 6 is way and rippers on it I love it. It seems to me that it’s the right size to get into some tight spots but have enough weight and power to move some dirt I like the 6 way cause it gives me an option for casting material off the side for benching in but that’s all I have ever used I have never used a regular or angle blade for pioneering a road other guys will probably chime in that have a lot more experience than me on what works best

6 ways are nice till you get into cutting rock and ripping out big stump.

My own preference was always a D6C or D with a straight tilt blade for pioneering work.

Here in northern california, my father built many roads with a D8 14A and 2U's, bought a D6H with an S/U blade and says it's by far the best, a hydraulic blade and diff steer make quick work. We had used a D7H which wasnt as nimble as the D6H, but it handled the rocks a lot better.

Bls repair said:

6 ways are nice till you get into cutting rock and ripping out big stump.

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That is the down side to having a 6 way

Semi U blade is probably most versatile and rugged.