Tractor Suzue 150 4WD - (C-470 and Quincy in Denver, CO

I believe this tractor is an early 80s model. Diesel that starts every time with tiller 3 point attachment. It has been sitting in my garage for 4 years. I've started it once a month every month. I inherited the tractor when my father past and it has taken me a while to get where I'm ok with letting it go. He used it on his place to till his gard