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Antique Vintage Rare Onan 420-303 150/300/600 volt generator tester collector:
$200.00
Up for your consideration is a lovely ~1960s Onan 420-303 generator testing box that service men would have used to diagnose generator problems back in the day. I have not used this tester, but everything seems to be in excellent shape. One of the 2 amp fuses looks bad, but thats no big deal to change out. The jumper leads all look good. It probably has not been used in decades. Any serious Onan collector would love to display this with their Onan generators. If you have any questions please ask,
