1974 John Deere 140 With D722 Kubota engine and Dirt Built Plow.. JD: That little John Deere was doing the job and I want a plow like that to plow up my garden with. James: Looks like the very first hydrostatic 6030! well done! Loga:Nice John Deere 140 Diesel,does it have the tree way hydralic”s ? Smith:That is a very nice looking and sounding JD140. Great job.