Tractor Sizing What size of older Yanmar do I need?

[California]

So, could these other vendors using OSHA certified ROPS?

First one is local place that refurbs in their shop:
2HP Yanmar Tractor Diesel 4x4 - Front Loader - Diesel - farm &...
Second is a regional seller
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Your first one looks like the Fredricks-contracted ROPS I bought from Hoye, one of the first sold. Here's a thread with photos where I installed it. One unique feature is it also bears down on the top of the axle which seems stronger than just bolted to the back of the transmission.

That other vendor I'm not so sure about.

 

[bmaverick]

Your first one looks like the Fredricks-contracted ROPS I bought from Hoye, one of the first sold. Here's a thread with photos where I installed it. One unique feature is it also bears down on the top of the axle which seems stronger than just bolted to the back of the transmission.

That other vendor I'm not so sure about.

From a first glance it looks like a Custom Products, LLC ROPs made for Fredricks, but upon a closer look, there are 4 holes on the top folding section and the top really thins out along radius between the vertical sides to the top horizontal.

Tractor Co out in WA de-badges all references to Yanmar and then paints the machines Mitsubishi BLUE. Not sure where their ROPs are made nor if they are certified.