hi I have just joined.I live in Queensland Australia I am geting ready to build a md40 mini bull dozer from the ground up I am starting with a sheet of 3mm steel at the moment I am getting all the parts together sa the struck dozer was made in USA we in Australia don't have any to use just plans and what info we can get from other people when I learn to post photos and as I progress I will let you know it will be under [my md40 build]thank you for taking the time to read this.