I've used the Velke single wheel behind 3 mowers. A Exmark GD 36, Ferris GD 36 and the Ferris SD 36. The only one I had trouble with the front end popping up was the Ferris SD 36 and that is because the front on those mowers is very light. The Velke worked very well behind the gear drive mowers.
Serving Greenville, Winterville and Ayden NC