Greg Bender
http://www.thisoldtractor.com/gtbender
This information was gleaned from Beedspeed.

| Code Number | Type | X value measured in hundredths of a millimeter. |
|---|---|---|
| 9564 x 28 | AQ | 260-262-264-266-268 |
| 8358 x 28 | K | 266-268-270 |
| 8566 x 28 | D | 266-268-270 |
| 8935 x 28 | AE | 266-268-270 |
| 9143 x 28 | AG | 260 |