WE MENTIONED before that Bill’s Rubicon comes optioned up with the beefier D44 axle rather than the base model’s D30, but if you’re not fluent in seven-slot grilles, that might not make a whole lot of sense. Jeep diffs come from Dana – yes, the same Dana offering rear axle upgrades for Land Cruisers. In JK Wranglers, you’ve got the choice of either a Dana 30 front axle or Dana 44, depending on which spec you get. There are a few key differences that make the D44 axle the pick of the two, such as an increased spline count on the axles (30v32), a sturdier gear carrier which can prevent deflection and damage to the gear set under load, and a physically larger ring and pinion. While the differences aren’t…
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4x4 Magazine Australia (Digital) - 1 Issue, August 2017