Honda GX120 with gear reduction box p/n: GGGX120UT2HX2
This is a replacement aerator motor with some mods that are required to operate on the aerator see below:
Pull start engine with gear reduction box included
The gear box must be rotated from the 3 o clock position to 12 o clock position, and the oil alert must be disabled in order to install it on an aerator. If you do not disable the oil alert the engine will shut off from vibrations, the alternative is GGGX120UT2HT2* special order engine with a lead time of 8 weeks with a much larger price tag.