There are 36 choices

• Chassis Cab
  • dual rear wheels
    • ambulance package
      • 3.73 ratio
      • 4.10 ratio
    • Without ambulance package
      • 6.2L
        • 3.73 ratio
        • 4.30 ratio
      • 6.7L
        • 3.73 ratio
        • 4.10 ratio
      • 7.3L
        • 3.73 ratio
        • 4.30 ratio
  • single rear wheels
    • 6.2L
      • electronic locking differential
        • 3.73 ratio
        • 4.30 ratio
      • Without electronic locking differential
        • (3.73 ratio)
    • 6.7L
      • electronic locking differential
        • (3.73 ratio)
      • Without electronic locking differential
        • (3.73 ratio)
    • 7.3L
      • heavy duty tow package
        • 3.73 ratio
        • 4.30 ratio
      • Without heavy duty tow package
        • 3.73 ratio
        • 4.30 ratio
• Pickup
  • dual rear wheels
    • 6.2L
      • 3.73 ratio
      • 4.30 ratio
    • 6.7L
      • 3.55 ratio
      • 4.10 ratio
    • 7.3L
      • 3.73 ratio
      • 4.30 ratio
  • single rear wheels
    • 6.2L
      • electronic locking differential
        • 3.73 ratio
        • 4.30 ratio
      • Without electronic locking differential
        • (3.73 ratio)
    • 6.7L
      • electronic locking differential
        • 3.31 ratio
        • 3.55 ratio
      • Without electronic locking differential
        • 3.31 ratio
        • 3.55 ratio
    • 7.3L
      • electronic locking differential
        • heavy duty tow package
          • 3.73 ratio
          • 4.30 ratio
        • Without heavy duty tow package
          • 3.73 ratio
          • 4.30 ratio
      • Without electronic locking differential
        • heavy duty tow package
        • Without heavy duty tow package