all-crop harvester baler bean harvester beet harvester binder breaker cast plow combine cotton picker cultivator disk disk harrow disk plow drag drill drill plow four-bottom plow gang plow grain harvester grub hook harrow harvester haymaker header hoe drill lister lister cultivator middlebreaker moldboard plow peg-tooth harrow planter plow plow drill prairie breaker press drill rake rotary plow scooter seed plow seeder shovel plow snap machine sprayer spring-tooth harrow stag gang subsoil plow sulky lister sulky plow swather swivel plow tedder thrasher three-bottom plow thresher threshing machine trench plow turnplow two-bottom plow vineyard plow walking plow windrower