I have a 5610 with 90"front mower and 6' rear rotary mower. You will not like the 90"mower in tall grass. Have to go really slow or you will stop it. It is a finish mower, not a rough cut mower. Even the rear 6' mower has to go slow. Driven by hydraulics, they only have 25 pto hp. I also have a jd 4520 CUT, and the pto is vastly more powerful. I run a 10' rear mower on it and that can be a load in grass. A CUT pto hp will increase as the rpms decease due to the torque curve of an engine. With hydraulics, hp is a function of flow and psi. Under a load, flow decreases immediately and so does the pto hp. Keep the grass under a foot and the 90" mower will do ok. Best if under 6-9 inches. A CUT with mid mount mower is not going to mow tall grass either. CUT with mmm has to get all that debris out the side chute. Not going to happen in tall grass. At least the 90" toolcat mower has a wide discharge in the rear. I have a 84" rear bush hog finish mower for the jd 4720. It is rear discharge and can handle taller grass better than the 90" toolcat because of more pto hp. However, I can smoke the belt on the 84" finish mower with the jd 4720 in taller grass and can't even tell any change in the cab of the 4720- much more pto hp.
The loader will handle a 1000 lb round bale. Visibility is really blocked by the bale compared to a tractor.
Stability really good on slopes or with something on the FEL. Dont have the pivoting front axle compared to a cut. Most of the weight is low compared to a larger CUT cab. My cabbed 4720 is good but not as stable as the toolcat. I had a jd 3720 with cab and that was horrible on slopes.
3 pt lift is good. Will pick up any reasonable 3 pt attachment designed for a cut. It does not have position control and you have to be aware of running a mower to raise and lower. I look in the rear view mirror and watch the depth gauge when lowering. In a CUT, it is set the postion knob, drop and go. The toolcat 3 pt will also creep down with time unlike a Cut. Creep down is not bad on toolcat, but with 6' rear mower, I ad just about every 30 min.
I have ag tires on the 4720. Vastly more traction than the TC.
I don't have overheating issues on the TC. I have to watch the 4720 a bit for overheating with the 10' mower because of heavier load and can plug screen on radiator.
If you get a TC, get the high air intake for the engine. Helps tremendously with keeping air filter clean. Mine stays cleaner than any CUT or tractor I own.
TC much smoother than the CUT over rough ground. TC can handle other front hydraulics better than any CUT. I have hydraulic PHD, snow blower, v snow blade ect. TC better for loader work cause can see bucket edge better.(I use a low profile bucket on TC). Pallet forks much easier to see on TC.