Thats a great looking tractor! I installed ROPS on my Iseki also, since I had the same concearn. I did indepth research, and I connected with the people at NYCAM, and
Rollover Protective Structure ROPS Retrofit Program I also faced the same cost issue, and I had to spend $800 on mine. The piece of mind that they give you is worth every penny. It is a lot, but I figured my life was worth $800 to my family, so I saved for a bit, and bought them. After speaking with several Ag Safety offices, both government, and private, I found that it was extremely unsafe to build your own set up, or buy one that does not fit properly, and take the chance of a modification failing. They have to be ASAE 383.1 certified meet the strick structural standards required to be safe, and to protect you from liability if you or someone else gets hurt in a roll over. This is a good article to read:
NIOSH FACE Program: Iowa Case Report 03IA020 | CDC/NIOSH I was lucky to find that my state, New Hampshire offered a rebate program, and they paid me back for the cost of the ROPS. I am not sure if TN offers the same program, but I will look for you. I bought the hercules ROPS, and it is a great, strong set up. It fit perfectly on my 30 year old Iseki. This is the same set up I have, and the only one that was SAE certified, and avialable:
http://justtractorparts.com/rolloverprotectionstructuresropsforisekicompacttractors.aspx This model is for your tractor, and may be the same one that you found? I hope that this helps a bit, I wish I had a better answer as far as cost goes.. Very nice tractor! Thanks for the photo! Below is mine with the ROPS installed:
View attachment 302739 This is my new tractor. I have another question. I found a ROPS for $750.00 online, is there any that are cheaper? That's a lot of money considering I only paid $2500.00 for the tractor. I need one because I don't want to die but I would love to find one cheaper. Also can you widen the stance on these?