Thinking about buying a new brake lathe? Thinking about buying a Ammco 3850? You might want to think about this…
I’ve owned a Ammco Brake Lathe 3850 for a long time and have never liked it. I’ve had more problems with chatter than I ever had when I used to use a 4100 model prior to buying the 3850. This lathe was the first brake lathe ever sold as a “one pass cut” machine to my knowledge. Though it’s never really worked that way for me. Invariably I’m taking multiple cuts on some rotors that are really warped. I’ve tried various types of cutting tips from the stock to the round type trying to eliminate the chatter. Ultimately the stock tips seem to work the best.
I’ve had to replace the motor once and I’ve had problems a couple of times with the electric feed mechanism coming loose. And it’s a huge pain in the ass to to tighten the bolts. Are you starting to get the idea I don’t like this machine? You’d be right. In the video I pretty much tell it like it is.
Pretty soon I’m going to have to buy another lathe and I’m going to get the Ammco / Coats (AMM4000BSP) Combination Single Speed Lathe for Brake Drums and Rotors it’s a way better lathe. I should have bought one the first time. If I had, I wouldn’t never had to replace it because they last forever in a small shop like mine.
Before I opened my own shop I had used Ammco 4000’s for about 17 years with a couple previous employers and never had any problems with them. The only reason I bought the 3850 because it was cheaper and I was just starting out. Huge mistake. So if you’re just starting your own shop, don’t do what I did and cheap out. You’ll be sorry. I’ve regretted buying the 3850 to this day. Check out the Ammco / Coats (AMM4000BSP) Combination Single Speed Lathe for Brake Drums and Rotors it’s a way better lathe.