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jbfwilson

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Status Updates posted by jbfwilson

  1. jbfwilson

    May I know the meaning of RB-690S.

    RB is R model set back axle, But I don't know for 690S.

    The year of the truck is 1990.

    Thanks for your answer.

    1. 41chevy

      41chevy

      The S means 6 wheel chassis. 6 weight class, 90 is engine model call out , Mack EM6 300 h.p.  as I recall.

    2. jbfwilson

      jbfwilson

      Thanks a lot.

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