On this episode of the Machinery Show, Randy and Jesse Lutz show off their huge shop near Mason City, Iowa. The Grand Prize winner of the 2015 Top Shops Contest has plenty of space both inside and out. The SF Engineman, Ray Bohacz, discusses the voltmeter, an essential tool on the farm. Dave Mowitz visits a Missouri auction to see a 1976 John Deere 4630 sell. We visit an Oklahoma farmer who shares the hoist that he can quickly mount to his pick-up truck. On Ageless Iron, Dr. Leo Milleman shares his love of antique farm equipment, including his John Deere 620 and planter.