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Forum designed for the D series and older
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Location: Verona, WI
Site Admin
Posts: 122
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Location: Verona, WI
Powerflite wrote:The motor in my '39 D2 Panel truck has a 61963-HD casting number with an International triple diamond symbol and a date code of 2-5-J. And it uses studs to hold the head on. I believe that this is the HD motor and not the GRD. In order for it to be the green diamond motor, it needs to actually say "Green Diamond" inside the diamond symbols like on this green painted motor.
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