The T-Max combo is just a sleeved cab with a T-Max head so it can be taken out and put into a rack case. Just doing that will lighten the load, Peavey gear is not light!
I used a T-Max with 2 Peavey 2x10's (not sure which ones as they keep fiddling with the model names, TX, TVX?). Then I run it into EBS Neo cabs without problems until gas got the better of me and I got an HD350.
Very few amps have the same control over the preamp valve as the Peavey with its two gains, so if that is part of your sound it will be difficult to replace.