No, there's actually only two BIG spider gears in the diffs.
The entire drivetrain is steel so this thing is going to be STRONG!
Here's some pics:
Ooooo...all those goodies already included!
Finished building it this afternoon:
Notice the lack of engine and fuel tank?
That's cause this thing is going brushless!
Plenty of space for the motor, speed control will go in the radio box, but where does the battery go? My only guess right now is make a six/eight cell pack with three/four cells stacked up on top of each other: