Hi,
We do have carry NTM Prop Drive 28 Series Accessory Pack and one of the items from this Accessory Pack is the Cross Plate Motor mount.
http://www.ebay.in/itm/NTM-Prop-Drive-28-Series-Accessory-Pack-/200964480010?pt=IN_Toys_Games_School_Stuff&hash=item2eca6a9c0a&_uhb=1#ht_1955wt_1163Although there is difference in the series of the motor but the measurements are already provided on the listing and you can check if it's same or different than yours
Let me know if you have any questions.
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