I am wanting to upgrade beyond a '63 AC D19 I have owned since 1981. I am looking at and have driven a 1975 JD 4230 with cab (excellent glass and seat, needs sound work on sides ceiling is good) a WL 42 QA loader, bucket and grapple. I have been hearing horror stories (including from a local JD shop manager) about cold starting issues with 4230s. When I went to look at it in Feb, I called the day before and it was plugged in outside along a highway that night. It started right up with temps in low 40s and rumbled like a fat cat on your lap. It had some blow by smoke from the oil cap but no pressure against my hand. I don't know anything about diesel engines and have concerns with blow by (no smoke from exhaust) and starting issues. This tractor has an 8 speed power shift that shifts smooth as a prom queen's butt and has 3 hydraulic outlets and guessing 900+ pounds of weights on the inside of the rims. I like this machine but I am leery of starting and engine issues (it has about 10,800 hours, HR meter works). Any thoughts from you old boys that go back to 4230s?