Dana 30
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Exploded view of the YJ High Pinion D30 with center axle disconnect
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HP D30 installed in an 88 YJ
Model 30: Drive-type, full floating axle with open end steering knuckles mounted on ball studs.
Model 30 Front Axle: CJ-5, CJ-7, Scrambler, YJ, XJ and TJ. Front Axles Dana 30 high pinion - reverse cut used 84-99 (some axles through 91 are vacuum disconnect, 92+ are non-disconnect, 89-95 with ABS have 5-297x u-joints, all 95+ have 5-297x u-joints, all others have 5-260x u-joints)
Dana 30 low pinion used 00-01
Axle Specs
- Axle housing diameter =
- Axle width, WMS to WMS = (WMS = Wheel Mounting Surfuce)
- Cover bolts = 10
- Stock shafts = 27 splines
- Shaft diameter = 1.16"
- U Joints:
- '94 and older = 5-297x
- '95 and newer = 5-260x
Gear/Carrier Specs
- Ring gear diameter = 7.125 inches (18.09cm)
- Ring gear bolts = (10) 3/8" x 24 RH
- Pinion gear diameter =
- Pinion spline count = 27
- Gearing options: 3.07, 3.31, 3.54 Carrier break 3.73, 4.10, 4.56, 4.88
- Note: Carrier break means the carrier needs to be changed as well when gearing up or down past this point.
Front Axle Lubricants: Jeep Axle Lubricant or equivalent of SAE 85W-90, API grade GL-5 quality, Grade MIL-L-2105C.
Lubricant Capacity: 2.5 pints (1.18 liters)
Turning Angle: 32 degrees
