here you gp ut4000
Massey Ferguson 1240 Serial Numbers and Years of Production
Massey Ferguson 1240 Serial Number Location: By instrument panel
1994 C01001
1995 D01001
1996 E01001
1997 F01001
1998 G01001
1999 H01001
2000 J01001
2001 K01001
2002 L01001