This is a new Ariens drive gear part number 03226000. It also replaces part number 03209000. 

It fits a variety of different model numbers including the following:

932001 (ST270)
932004 (ST350)
932006 (ST504)
932007 (TT 5)
932026 (ST524)
932027 (ST724)
932029 (ST824)
932031 (ST524)
932032 (St724)
932034
932035
932036
932037
932038
932039
932040
932041
932042
932043
932044
932045
932046
932047
932048
932140
932141
932200
932302
932303
932304
932305
932306
932307
932311
932312
932501
932503
932504
932505
932507
932508
932509
932510
932514

This also replaces John Deere M127107.

The diameter of the hole is .75 in. The diameter of the gear is about 6.25 in. There are 48 teeth on this gear.

We have access to many additional Ariens parts, so please let us know if there is a particular part that you would like us to list for you.

Please let us know if you have any further questions on this item!