This detailed model prints on two 8 1/2" x 11" (U.S. letter size) sheets, along with 6 pages of instructions. You'll have to be able to unzip the compressed files.
Download this vehicle paper model from here.
Tractor 6 Tug free paper model download:
This little tug would be the perfect complement to a nice 1:33 scale airplane![via avantcard]