Tecumseh date of manufacture?

GoldenMotor.com

Trey

$50 Cruiser
Jan 17, 2013
1,432
5
0
Where cattle outnumber people 3 to 1.
I was lucky enough to come across this engine for free! I searched around, but can't lock down good info. Can any of you help me?

Here's what's on it; H50-65403U SER 3117D

Manufacture date, and any other info would be appreciated- Thanks!
 
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