<font color=green>I would think there is an advantage in going with the equipment that a manufacture supplies with the unit?</font color=green>
In many cases, yes. But specific aftermarket loaders paired with specific tractors can offer advantages. An example would be the Woods 1012/1016/1020 paired with an L-Series Kubota. You get a 4-bar linkage and Quick-Attach fittings which Kubota doesn't offer on the LA481/681. For some customers, these are important.
<font color=green>You wrote that the ASAE rating is used and that it is 500 mm forward of the bucket center, then you downgraded the lift capacities. Wouldn't rating the loader forward of the bucket center increase the rating at the center? It seems, to my totally unknowledgeable perspective, that the weight is farther out on the lever arm the loader has to lift and it would require more force. So, moving the load back to the pivot point would allow you to lift more.</font color=green>
Just a little confusion. Kubota's ratings embedded in the loader model# are based on bucket center capacities and that was what I quoted in the first post for all (except the
B21/LA421 as I later found out.) Since I had no bucket center figure for this tractor but there were ASAE ratings for almost all the others, I posted ratings that would allow for a fair comparison amongst all the machines. Besides, as the other manufacturers reminded me, this 500mm forward measurement is a standard which all manufacturers provide and there is a well defined way of measuring it--except of course that they all specify different hydraulic pressures so unless you really do your homework, you can easily be misled. The B-series brochure has several different loader capacities (pivot, bucket center, 500mm forward) but doesn't mention ASAE anywhere. The
B21 brochure offers an ASAE capacity only (and doesn't mention 500mm which I later found out was the standard.) Note that the BX/LA201 does not list an ASAE capacity in its brochure.