3.35 acres here lots of sticks ,branches when the wind blows I pick up the large ones with wicked grapple or by hand then mow over everything else with the 54" & Gator blades. I have a rake but no trolley wheels so that is not an option for me.
TSC has some zero turn mowers "Bad Boy" i think and they range from $3500 to $5000 ,heard no bad things about them and they look like they are built well. Then I would remove you mmm from the Kubota clean it up and sell it probably get $800 to $1000 depending on how it looks...
I did have grubs and sprayed for them which helped but the most effective way I found was the poison pellets. I poke a hole in the active tunnel try not to collapse it drop a few peanuts in and cover hole with loose soil. Do this all along active tunnel not as satisfying as pulling out a trap...
I have a Tractor Supply 6' rake American make since 2014 & most of the time except mowing I leave it on. It's a bit of learning curve how to use but like the other guy said if you put a set of trolley wheels on it it works a whole lot easier. I also had a 4' rear tiller from TSC that weighed in...
3 things you can do to get rid of the problem. Go to wwwbxtractorparts.com and pick up a BX remote fuel filter kit (over 5000 sold all over the world) that has a Kubota L filter with water separator on it & a shut off valve. Then during winter months use an additive like 911 (the gray one not...