Search results

I have a question about gear ratio on rearends for a epediter trucks. I notice that the single axle straight trucks have around a 5.29 double axle straight trucks have around a 4.33 and a semi has around a 3.36 i thought the lower the number the better the fuel mileage on the hwy i would like...

I am looking at a straight truck with a cummins ISP 330hp does anyone know if thats a million mile engine or 600,00?