True.
YM186D and its Japanese twin YM1510 have decent, surprising power but they are tiny. I need the little 186D to drive under my orchard trees without banging my head. But I also cuss each time I climb on. The footboards aren't big enough to get two feet on to at the same time. Swing around, drop my butt onto the seat, without my right foot ever touching anything. Getting off is worse. Pull my right knee up to my chin to get my leg past the steering wheel. If i were any taller (I'm not tall) it would take a cheerleader kick over the top of the steering wheel to dismount.
Regardless, I love the thing. The fit-anywhere size is ideal for me and its power using the Powershift is nearly equal to the YM240 that needed a full stop every 200 ft to shift, as I met changing conditions in my sloping orchard.
YM2210D has the higher clearance of a real farm tractor. 22 pto hp vs the YM186/YM1510's 15 hp. Powershift is wonderful. The last of the bone-simple 2 cylinder Yanmars, if you own a hammer and a screwdriver that's all you'll need to maintain it for decades. Noisy.