hi everybody I need some information I have a B7001 Kubota 3 cylinder diesel 4x4 with a shot engine they're asking $3500 to redo and I have the chance to buy a Kubota engine its a 4 cylinder 49HP diesel MODEL #V2203 Serial # OXN5711 CODE 1G608-43000 can I use this engine on my tractor will it fit my Kubota..I won't be able to thank you enough for any information ...johnny