Makerbot 3D Tractor Puzzle

Hi, I'm currently printing parts on my 3D printer for a tractor. The original design is my Makerbot, but I could not find any construction howto. Besides that I'm currently working on a 3D scene for my virtual render farm and I wanted a tractor in that scene as well and I though I would be fun to use the same one. So I started importing all the different parts from STL into Cinema 4D and layed them out and first of all gave them  some material to be able to identify them better.

Then I started building the thing together. I noticed right away that not everything is a tight fit by the way, but I guess a bit of glue can fix that on the plastic model eventually. For reference I used some pictures I found on the internet from other people that build it. Here is an in between render where I already assembled some sub components like the engine block, chassis, hood, and wheels. The big parts are quite logical, but there also are a lot of small parts where I really struggled where they should go.

In the end I even had 3 surplus parts. I really have no idea where they should go and everything looks alright to me :) In the picture you see the finished model. All in all it took me a Saturday evening to put it together. Printing the parts takes a lot longer, but at least now I know how much parts to print and also what colors and where they should go. I will make little 360 degree animation of the whole thing so other people might benefit from it. And if anyone does have a howto with clear instructions feel free to post the link here. OK back to work now :)