I have one on a 5010 Mahindra cab unit and a Ford 3930 with 8' dual rotary cutter, offset cut of my creek banks are weak at best, I get another 10" of cut past the dual spindle unit but if your not REAL careful, the unit will hang in the ground, its great to trim shrubs / bushes but fire and forget its not. I have a messed up neck so chose a front mounted unit so I could see easier and hopefully not diving in and backing up, unfortunately, with the narrow cutting width, cow ruts, occasional muskrat or ground hog hole, I bent the swing arm plate in the first thirty minutes. At 63 years of age and spending my life on a rig, I could see its weaknesses / user error disaster window wide open - and I found myself in it. One example using low/low, 2x4 walked into a < 4" sapling about 2' off the ground and let'r rip, it cut it and then while rolling forward the back caught the edge of the sapling and bent the angle iron runner / trim at bottom and bowed the backing plate. I took a piece of 5"x2' wood off the ground a "bapped" it and it bent the runner / back plate straight easily (surprisingly easy) , I took the two bolts that held the arm to the back plate and rotated the disk and re-installed, it pulled it back in making it easy to once again pull the pins to pivot it in / out of bank mowing. My first impression is keep it in the air and you have a winner, get it close to the ground and you better be handy. Additionally, the loader / rig has 20 hours on it and like all, you don't have 100% slack free pivot on the bucket roll, so pulling the pins and starting to pull it back towards the tractor if your not careful, will ruin your day, its best to have it low to the ground so if any free play in system will let it only drop a couple of inches before hitting the ground, then roll your bucket hydraulics to take up the slack. I talked to these folks before they outsourced I guess or while they were, and I could see generation improvements from the first few they punched out. It really could use a break away of sorts, in the least a 8" to 10" chain catch that would allow one to say "jeepers I was lucky" instead of "oh snap". I've found similar to other postings, its a bit of a challenge choosing what / where to cut to keep limbs and debris from become a professional gymnast climbing up/down. I guess if it were less money I would say - ok I got what I paid for, but 3600+ seems really pricey for the cut. If your wanting to trim limbs for clearance and such its a real charm, but it does leave one heck'uv'a nasty lashed limb so for the first few days your neighbors think you got hit by a tornado. I wouldn't buy it again, as I can see myself pulling the cab and replacing a clutch trying to work within the limits of the cutter, but since there is very little on the market to compare, I will be using my old three spindle mower on a boom for creeks and save the lane shark for limbs.
Your mileage may vary, I'm not for or against it but in my application which was creek banks and fence rows, its pretty unforgiving if you catch a post, stump, rut, anything you think it will get hung on, it pretty much will and without break away so-to-speak you get bent away.