Please refer to the IH Louisville Works Cub Cadet monthly serial number report by year to find what year and month your tractor was built.
 

You can also check out the IH Cub Cadet Identification page, maintained by forum member Jonathan Luckey to further identify your IH Cub Cadet.


If your serial number plate says something like 2050660U622960, the actual serial number is the part after the "U", in this case, 622960. Looking at the chart, this particular tractor was built in 1978.

385058R1 is a casting number, not a serial number.
 

The number your looking for should be stamped into the reduction housing, which is directly ahead of the transaxle. You may need to scrape some paint in this area to find this number as they are quite faint and apt to be covered by paint.

On "Original" models, the serial number is located in this area:



On 70/100 models, the serial number is located in this area:


On 71 thru 1x6/1x7 models, the serial number is stamped into a tag and is located in these areas:


On early "wide frame" models (86, 1x8/1x9), the serial number is either on a tag on the left side of the frame near the brake pedal or on the rear end:

On later "wide frames" or Quiet Lines (800 thru 1650), the serial number tag is on the left side of the frame near the brake pedal:


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