There are 22 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 (diesel)
        • 3.73 ratio
        • 4.10 ratio
  • single rear wheels
    • 6.2L
      • electronic differential lock
        • 3.73 ratio
        • 4.30 ratio
      • Without electronic differential lock
        • (3.73 ratio)
    • 6.7L (diesel)
      • electronic differential lock
        • (3.73 ratio)
      • Without electronic differential lock
        • (3.73 ratio)
• Pickup
  • dual rear wheels
    • 6.2L
      • 3.73 ratio
      • 4.30 ratio
    • 6.7L (diesel)
      • 3.55 ratio
      • 4.10 ratio
  • single rear wheels
    • 6.2L
      • electronic differential lock
        • 3.73 ratio
        • 4.30 ratio
      • Without electronic differential lock
        • (3.73 ratio)
    • 6.7L (diesel)
      • electronic differential lock
        • 3.31 ratio
        • 3.55 ratio
      • Without electronic differential lock
        • 3.31 ratio
        • 3.55 ratio