Professionally build by engineer with eye for simplicity. All parts available from engineers shop. Band available on trade me. About 10 spare bands most in good order. 6 mtr track, log max. length 4.5 mtr. max. diameter is 730 mm. band is 3640 mm x11/4x.042x 1.1 tpi . Kohler engine K241 10 hp. Older engine but still good runner. No warranty implied. I have done the logs I had to do. No longer use for it and need the space.