hi Millwright...
your lil diff will handle the load if you make sure that the axle bushings are in like new condition.also make sure that the input shaft bushings are good to.
if you need these bushings let me know,they are always in stock.
later chris
craftsman 10/28 snowblower with tracks husky 372xpg chainsaw sachs dolmar bc212 bushsaw mondo trimmer monster tractor with trailer cheep wheelbarro and couple shovels and a partridge in a pear tree