• 1983 Grave Digger: Win Season One.
• 20th Anniversary Grave Digger: Win Season Two on Cash Grab Mode on Hard with a championship truck.
• Armored Force: Win Season Three on Cash Grab Mode on Easy with a championship truck.
• Big Yellow: Win Season Two on Cash Grab Mode on Extreme with a championship truck.
• Bull Dog: Win Season Two on Cash Grab Mode on Easy with a championship truck.
• Dog Pound: Win Season One with a championship truck.
• Hooch: Win Season Two on Extreme with a championship truck.
• Incredible Hulk: Win Season Three on Cash Grab Mode on Hard with a championship truck.
• IP Truck: Win Season One on Extreme with a championship truck.

Note: To unlock a championship truck, win any season.

Monster Jam: Maximum Destruction Cheats from 123 Cheats
Monster Jam: Maximum Destruction cheats for Gamecube Cheats
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