Kelvinator Furnace age?

Specific Inspection Topics Inspecting HVAC Systems
1

I can not find the age of the furnace, any help would be great.
I think it is the 10th week of 2009

serial number KGD100902652

KG7SL054D24B

Thanks

2

Good guess…but…

it’s backwards.

2010 and September…

3

Thanks, it would be nice if all of the manufacturers would just put a born on date instead of mixing things up with orders and letters.

Thank you