As tire size grows, so does the strain on your rig's drivetrain. The well-known Achilles' heel of the straight-axle Toyota are the Birfield joints in the front axle. Upgrade kits are available, but ...

At the heart of every true 4x4 is a transfer case. The transfer case receives power from the engine via the transmission and then splits it to the front and rear axles, but not all transfer cases are ...