Yes, what Don said. Wow, that's quite the collection there. And way more work than I can comprehend. Glad you're here. Start some build threads and put some pictures up. I'm a visual learner.
'03 Freightliner FL112, 295" wheel base, with '03 United Specialties 26' living quarters, single screw, Cat C12 430 h/p 1650 torque, Eaton 10speed , 3.42 rear axle ratio