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JT Dana Axles - difference between "Dana M210/M220" and "HD Dana 44" ?

madbadger4

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"Newbie" question here ...... still waiting to take delivery of my 2021 Gladiator; I am able to see my window sticker and build sheet online. The build sheet shows "Dana M210 front axle" and "Dana M220 rear axle". The window sticker shows "Heady-Duty Dana 44" for both the front and rear axles. What's the difference between "Dana M210/M220" and "HD Dana 44" ? Thanks !
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Wheelin98TJ

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M210 (D44 front) is a 210mm ring gear.

M220 (D44 rear) is a 220mm ring gear.

Heavy-duty D44 is just another name for those axles that more people will recognize. So that's what they put on the window sticker.
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