John Deere Sprayers (self propelled) are goo, with fast transport speeds. an old one is the 4700. newer ones Are the 4700, 4710, 4720, 4820, 4920, 4630, 4730, 4830, & 4930. They have booms up to 36M. They have a very basic cab. They are good in chemical handling, plus a flush feature.