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Transfer Case

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We then decided the Sled should be able to do a maneuver known as a front dig made popular by the rockcrawling competitors. This is done with a transfer case that offers front-wheel-drive-only in low range. Simply put it in front-wheel-drive-only, crank the wheel, and stand on the brakes; the front end drives through the brakes and drags the truck into a tight circle. This is commonly used off-road for tight trails, but it is also a great test of the front axle. We opted for a STaK Monster Box three-speed transfer case that offers both 3:1 and 5:1 low ranges and front-wheel driveability.