hi everybody I need some information quike ..I have a B7001 Kubota with a 16 HP 3 cylinder diesel engine that needs repair and they're talking $3500 the engine is shot..and I seen a 4 cylinder diesel and I believe its a 49HP THE MODEL # V2203 serial # OXN5711 CODE # 1G608-43000 MADE IN JAPAN I really would like to know if it will fit my B7001 ..I won't be able to thank you enough for any information....johnny