I just had my friend Frank put this cargo rack on my MaxIV. It is very nice it will hold 600 pounds (( very easy)) without the back of the 6x6 coming off the ground.,,i can push brush ,weeds just about any thing with this rack ,,.We are going to put a Grader Blade on the rack next it will be done with out having to use any of the parts that RI sales for there hook ups for there blades .,,,Stay tune for the next pictures .