MONOWHEELTRACTORXFROMWIKIPEDIATHEFREEENCYCLOPEDIAXAMONOWHEELTRACTORORMONOWHEELDRIVETRACTORISALIGHTTRANSPORTANDAGRICULTURALVEHICLETHATISDRIVENANDCONTROLLEDBYANENGINEANDSTEERINGMECHANISMMOUNTEDONASINGLELARGEWHEELWITHTHELOADCARRYINGBODYTRAILINGBEHINDXDESPITETHENAMETHEYARETRICYCLESXSECTIONXDEVELOPMENTXMONOWHEELTRACTORSDEVELOPEDINTWOPERIODSBOTHDURINGTIMESOFRAPIDUPHEAVALAFTERWARFAREXBOTHTYPESHADQUITEDIFFERENTCIRCUMSTANCESANDGOALSXSMALLWHEELTRACTORSAPPEAREDAFTERWORLDWARIDURINGATIMEOFNEWOPPORTUNITYXLARGEWHEELTRACTORSAPPEAREDAFTERWORLDWARIIDURINGAPERIODOFAUSTERITYXSUBSECTIONXSMALLWHEELTRACTORSXTHEFIRSTMONOWHEELTRACTORSAPPEAREDINTHENINETEENTWENTIESASARESULTOFTECHNICALDEVELOPMENTSINSMALLPETROLENGINESXTHESEHADBEENDRIVENBYIMPROVINGENGINETECHNOLOGYPARTICULARLYFORMOTORBIKESXSUCHENGINESNOWREPRESENTEDANAFFORDABLEANDPORTABLEPOWERSOURCEXANENTIREPOWERTRAINCOULDBECONSTRUCTEDASASINGLEMONOBLOCUNITCARRIEDONASINGLEWHEELANDTHISMOUNTEDONTOATRAILERTHROUGHALARGESWIVELBEARINGXTHEENGINEANDITSDRIVETRAINREPRESENTEDARELATIVELYHIGHTECHNOLOGYMACHINEFORTHEPERIODALTHOUGHITSTRAILERCOULDBEMUCHMORECRUDEXTHEENGINEUNITSWEREMADEBYTHENEWLIGHTENGINEERINGWORKSOFTHETIMESUCHASXRXAXLISTERXANDCUSTOMMADETRAILERSCOULDBEPRODUCEDFORAWIDERANGEOFTASKSBYLESSSOPHISTICATEDWORKSHOPSDOWNTOVILLAGEBLACKSMITHSXTHECOMPLETEDVEHICLESHADSMALLWHEELSANDLITTLESUSPENSIONXTHISLIMITEDTHEIR