I always have to look it up, now I buy Wal Nart brand, it has the actual date.
Here you go......
The most important part of the batch code is the third through seventh numbers. There are always going to be two letters or numbers at the beginning of the code, which is the blending facility code, The third and fourth number of the code is the year +1. The fifth, sixth and seventh numbers of the code are the days left in the year, or reverse Julian date. So if the code says 257 for example, that would mean it was made on the 108th day of the year.. April 18th."
The date code on the BlueDEF box in my picture is*
GA153590089
Lets break this down into 4 groups of numbers:
GA: The designator of the plant that manufactured the DEF
15: The year of manufacture plus 1, so this DEF was made in 2014
359: 365-359 = 6, so the 6th day of the year, or January 6th.
0089: The batch code.
So this box of DEF was made January 6th, 2014.
Regards,
Dan
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2014 40QBH Phaeton DP Cummins 380HP ISL, Freightliner XC, 2019 Jeep Grand Cherokee Trailhawk TOAD
Blue Ox Aventa tow bar, SMI Air Force One -Cave Creek, AZ.
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