Originally Posted by
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Yes, it's a Japanese freewheel and steel hub. When the wheel is fastened it's about 135 mm inside from dropout to dropout.
At the weight you are looking at, a standard cup and cone freewheel type hub could have a weak axle. If a 135mm hub fits well into the frame, the newer cassette type steel axle Shimano freehubs like a Deore or an older design XT hub might be better. I am running Shimano XT M756, M756A , and M760 steel axle rear hubs on three bikes. A lot of the newer Aluminum axle XT hubs have also been used for touring but I have a strong preference for the older design steel axle hubs that use 1/4 inch ball bearings.
You mentioned Phil hubs. A friend of mine tours on an older freewheel type Phil hub and he is quite happy with it. That design also overcomes the weak axle problem, thus that would also be a good choice.
It is getting harder to find 36 hole hubs that are non-disc that are robust enough for touring. But for your weight, I would not drop down to 32 spokes in back. I think 32 in front which takes less weight is ok, but for rear I think 36 is best.