The Dana/Spicer Model 30 is an automotive axle manufactured by

Dana Holding Corporation Dana Incorporated is an American supplier of axles, driveshafts, transmissions, and electrodynamic, thermal, sealing, and digital equipment for conventional, hybrid, and electric-powered vehicles. The company's products and services are aimed ...

. It has been manufactured as a

beam axle A beam axle, rigid axle or solid axle is a dependent suspension design in which a set of wheels is connected laterally by a single beam or shaft. Beam axles were once commonly used at the rear wheels of a vehicle, but historically they have als ...

and

independent suspension Independent suspension is any automobile suspension system that allows each wheel on the same axle to move vertically (i.e. reacting to a bump on the road) independently of the others. This is contrasted with a beam axle or deDion axle system ...

axle with several versions. Dana 30 2011

General specifications

* Ring Gear measures * OEM Inner axle shaft spline count: 27 * GAWR up to 2770 lbs.

Dana 30 solid axles

Dana 23

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

Dana 25

The Dana Spicer 25 was based on the Dana 23 and was made only as a front axle for

four-wheel drive Four-wheel drive, also called 4×4 ("four by four") or 4WD, refers to a two-axled vehicle drivetrain capable of providing torque to all of its wheels simultaneously. It may be full-time or on-demand, and is typically linked via a transfer ca ...

vehicles. This was the company's first front drive axle.

Dana 27

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

Independent front suspension Dana 30 axle

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4x4 models use the Dana 30 in the form of

in the front (IFS). The

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front axle is also a Dana 30 IFS.

References

{{Dana Corporation Automotive engineering Automobile axles