F350Lawman:
I wax my Ford 350 with paste wax about twice a year but I use hot spray wax on everything else including the tractors.  Because I wash so many different tractors and implements, 3 years ago I went out and bought an Alladin 3500 psi Diesel fired pressure washer.  I bought an industrial model from a local outfit that supplies the auto makers.  They also sell chemicals. First I was the units down with a product called Fleetwash.  Then I rinse and then I apply the hot spray wax.  After I am done, I towel off the glass and the paint and the tractors look like new.  The spray wax is a silocone base so it tends to make the finish slippery.  Makes the bucket very easy to clean.  I think if my wife caught me waxing the  inside  of the bucket, she would make an appointment with the doctor for me!!
I had a couple of those pressure washers that Northern sells and you get at Lowes, but when they kack out, you can't get them fixed.  The one I have now cost over 5K, but in three years all I have done is change the oil and clean the inlet strainer.  If I ever need service, the company I bought it from will pick it up (it's heavy) and give me a loaner while it's being repaired.