new holland tractor-need serial number and year model? please

[kimskinner]

I am not sure what these numbers mean:
tractor number-029434B
unit-6C21B
model-CA6P4C
engine-BB610420 6C14
thank you for your help. Are any of these the serial number?
Kim

 

[DT86]

I may be wrong but I believe it is the unit number that tells the date and even which shift built the tractor. I do not know how to decode this info however.

March 21 1996 is a guess based on short google research.