Dana 30

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The Dana/Spicer Model 30 is an automotive axle manufactured by Dana Holding Corporation, has a history that dates back to the 1930s and can still be seen in Jeep front ends today. The Dana 30 has been manufactured as a beam axle and independent suspension axle setups. There are different variations of the Dana 30.

2011 Jeep Dana 30 up close

General specifications[edit]

  • Ring Gear measures 7.12 inches (181 mm)
  • OEM Inner axle shaft spline count: 27
  • GAWR up to 2770 lbs.

Dana 30 solid axle history[edit]

Dana 23[edit]

The Dana Spicer 23 is the axle the Dana 30 is loosely based on today, with improvements throughout time. This axle was only made for the rear of vehicles. Full floating and semi floating variations were produced.

Dana 25[edit]

The Dana Spicer 25 was based on the Dana 23 and was made only as a front axle for Four-wheel drive vehicles. This was the company's first front drive axle.

Dana 27[edit]

The Dana Spicer 27 unit phased out Dana 23 and Dana 25 units in the 1960s

Independent front suspension (IFS) Dana 30 axle[edit]

Jeep Liberty 4x4 models use the Dana 30 in the form of Independent suspension

AMC Eagle front is a dana 30 IFS