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Jeep Front Axle Comparison

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Compared to a Dana 60–equipped Jeep on 40-inch tires, the portals’ advantage in ground clearance is obvious. The gearboxes also multiply the gearing by 1.5 and allow a smaller ring-and-pinion, such that a Dana 44 can be run as the differential with big tires, where normally a Dana 60 would be needed. End result: even more ground clearance.