WOW
You don't mention what your mechanical / electrical / carpentry skills are? Do you have a shop and a full set of tools to do all of this yourself? If you're paying someone to do it, the cost will be tremendous and when you're done using it, it will have no resale value at all.
Besides pulling the engine, front axle and transmission, you'll have to:
1. Remove the entire dash area
2. Change alot of the electrical wiring
3. Probably remount or replace the front seats
4. Cover over the front wheel wells
5. Leave in the rear end? but that's a lot of useless weeight
6. Modify the engine compartment
7. Completly redo the front framework to be able to tow it
You're probably looking a multi-year project. How old are you now? If you're still working, this is going to take a long time to do on weekends. If your're retired, are you still in good enough condition and have enough energy to complete the project? What are you going to use for two years while this project is being done?
Why would the cost to maintain it be any cheaper after you convert it? You're loosing two tires from the front of the MH, but gaining six tires on the TV. The TV will be a heavy duty diesel and now you're going to insure the truck and (soon to be) trailer. I really wouldnt' expect your maintenance costs to drop and what you get for your engine and transmission is just going to be a drop of what you spend in the conversion.
If you do go ahead with this idea, and you're spending a lot of money anyways, since you're going to pull out the engine, transmission, and a lot of dash area, look at converting it to a fifth wheeler instead of a TT, it will tow better.
If you don't like the cost of maintaining your Class A, as is, then you don't have enough money for this project and buying the diesel TV. The cost of the TV alone and the modifications to it to tow the converted MH will more than cover the costs of maintenance to the MH for years and years. For the cost of the TV you can put a new engine, transmission and all appliances into the MH.
You really need to get out a large tablet and start listing everything that needs to be done and put a realestic cost to each item.
Bill
Nodwell RN110 out moose hunting. 4-53 Detroit, Clark 5 spd, 40" wide tracks, 10:00x20 tires, 16,000# capacity, 22,000# weight. You know the mud is getting deep when it's coming in the doors.