These are really cute "dozers" (LOL). I bought a used one for my 11 year old daughter to play with in the backyard. It came equipped with a single-shank ripper made of hard plastic. They are adorable !!! I'm a Liberal so I use expressions like "cute", "adorable", and "precious".
Nah, that's not too much for it. Might take a little more time, but the 3's can be better used in tight areas for finish grading, much lower operating, maintenance and repair cost. Looks like he's got the right one.