I got the transaxle out of the machine and separated from the carrier. The king pin bolts came out with out much trouble using my impact. I used a 1 1/8 6 pt. impact socket. It fit very tight which is good, but I would bet it is a 28mm hex. My problem now is trying to remove the U-joints from the splined shaft on the old transaxle. They are rusted and frozen. I am soaking over night in penetrating oil. I have it verticle so that gravity will draw the oil through the spline. It will be tough to get off. There is no good way to hit it with a good blow. the approach is from a steep angle. It never is easy! Is it? I do not want to use my air hammer but may have to.