Elam Martin owns this pair of classic Kenworths -- a 1985 K100 aero and a 1989 W900B aero. The K100 sports a 3406B Cat with a 15-speed, while the W9 boasts an air-to-air 3406B with an 18-speed. Martin said both trucks are projects he has put to work.
[Related: CNG-powered Pete hauls for city of L.A.]
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