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 a ...
. 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 i ...
axle with several versions.
General specifications
* Ring Gear measures
* OEM Inner axle shaft spline count: 27
*
GAWR
Vehicle weight is a measurement of wheeled motor vehicles; either an actual measured weight of the vehicle under defined conditions or a gross weight rating for its weight carrying capacity.
Curb or kerb weight
Curb weight (U.S. English) or kerb ...
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
Jeep Liberty 4x4 models use the Dana 30 in the form of
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 i ...
in the front (IFS).
The
AMC Eagle front axle is also a Dana 30 IFS.
References
{{Dana Corporation
Automotive engineering
Automobile axles