So what would be the big differences between a L47TLB and a L4701 with FEL and backhoe. Initially the TLB looks heavier but cant find weights for adding the 4701 FEL and backhoe. And the price seems pretty close once you start adding all the options to the 4701.
There's just no comparison between the loader on a TLB and an add-on loader. Plus the entire TLB is balanced for the integrated loader & hoe. As soon as you get to working on a slope or with a load in the bucklet you'll appreciate the way the overall balance, steering, and traction work for you.
Just for fun, consider what happens when you are using the hoe to dig a ditch or a foundation. After at the most about a dozen stokes with the dipper and bucket it's time to move the machine forward another eight or ten feet to continue the ditch. With the TLB you just spin the seat around and move it. On the tractor you climb down, walk around, climb up....get off....go back and check on something....walk back....climb up again..... Well, you get the picture.
Not that there's anything wrong with a tractor/loader/3pt hoe combo if used intelligently. Shucks, I used that combo on my JD530 for 25 years and was glad to have it. Just please be VERY CAREFUL with a 3 pt mounted hoe on a tractor to NEVER EVER use the hoe with 3 pt draft control engaged. PLEASE!! That mistake has killed more than one person. Very Dangerous. And one day after running my 3 pt hoe on the old JD for almost 20 years I forgot to disengage the draft control myself. Stupid, stupid me. I bailed off just in time as the boom rose up & crushed the backhoe seat into the back of the tractor seat and the power of the hydraulic draft control relentlessly turned both seats into a single ruined mess. From my screw-up to bailing off was maybe 3 seconds.... Please, pay attention to that.
On a gentler note - and because I hope you are promising that you'll always remember about the draft control - I still think that with those particular implements it makes more sense to me to add a standard 3 point to the L47 than to add a less capable loader and backhoe to the L4701. I also think a big reason why doing it that way hasn't gotten more popular is that a lot of folks don't know that the 3 point kit is an option on the Kubota TLBs. As far as I know, a 3 pt kit is a rare option with other brands of TLBs.
good luck - I'm sure you'll like it whichever way you go. Good machines.
rScotty