Grisso, Robert D.Pitman, Robert Melvin, 1948-2014-04-172014-04-172009-05-01http://hdl.handle.net/10919/47441Includes printable maintenance calendarDiscusses five strategies to achieve maximum farm machinery life: machinery maintenance, oil analysis, machinery storage, engine tune-ups, and avoiding modification of tractor engines.7 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.Machinery EconomicsAgricultural machinery -- Maintenance and repairAgricultural machinery -- Service lifeExtension publicationhttp://pubs.ext.vt.edu/442/442-451/442-451_pdf.pdfFarm machineryMaintenanceService lifeTractors