Rear Axle Dana 60

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History:

To be able to better handle the higher horse power and torque of the Hemi (and later the 6-Pack motors), especially with the hard launching of the 4-speed drag cars, the Dana 60 (which had been used in trucks) was made available for some Mopar car models. It was far heavier and more durable than the Mopar Rear Axle 8.75", but its weight and rear access for gear changes causes many Mopar Drag Racers to use the Ford 9" instead.

Specifications and Applications

All Dana 60 housings are marked with a "Bill of Materials" number and a date code (Figure 2). BoM numbers are found on the back of the right axle tube, 2-3 inches outboard of the center section. All Dana 60 differentials are also marked with a date code. The 'font' for these stampings is a sans serif style and the characters are about 1/8" high. Particularly for the axle tubes, the stampings are faint, so it is important to clean the area well and to visualize them in good light. The BoM number is a 6-digit number with a one or two digit suffix separated by a dash: XXXXXX- X. Date codes are found on both housing and differential and are formatted MM DD Y. Date codes are found inboard of the BoM number on the housing, and on the side of the cylindrical part of the differential. The year code on housings is always one digit and on differentials can be two digits. Housing date codes are followed by a letter (A, B, or C) which may indicate the work shift or factory line. Some differential stampings also show this letter suffix. Zeros are not used in month and day codes. Wide variation in spacing of the components of the date code is seen, and it is not unheard of to see two date codes stamped into a housing, one above the other. These two date codes are usually within a few weeks of one another.


Bill of Materials Numbers

  • 68-69 B body 3.54 Powr-Lok 602957-1, -2, -3, -4
    • 4.10 Powr-Lok 602957-5, -6
  • 69.5-72 B body 3.54 Powr-Lok 603109-1, -2
    • 4.10 Powr-Lok 603109-3, -5
    • 4.56 Powr-Lok 603109-6, -7, -8
  • 70-72 B body 3.54 Trac-Lok 603222-1, -2
    • 4.10 Trac-Lok 603222-3
    • 4.56 Trac-Lok 603222-4
  • 75-77 B body 5.13 Powr-Lok 603347-2
    • 5.38 Powr-Lok 603347-1
  • 69-71 E body 3.54 Powr-Lok 603080-1, -2, -4
    • 4.10 Powr-Lok 603080-3, -5
    • 4.56 Powr-Lok 603080-6, -7
  • 70-72 E body 3.54 Trac-Lok 603226-1, -2
    • 4.10 Trac-Lok 603226-4
  • 74 E body 5.38 Powr-Lok 603425-1
  • 77-78 Retail 4.10 Trac-Lok 603831-1


Maint.

  • 67-70 D200/W200 Std 602423
  • 68.5-70 D200/W200 Std, Powr-Lok 602010
  • 69.5-72 D200/W200 Std, Powr-Lok, Trac-Lok 603016
  • 71.5-75 D200/W200 Std, Trac-Lok 603236
  • 76 D200/W200 Std, Trac-Lok 603769
  • 77 D200/W200 Std, Trac-Lok 603775
  • 78 D200/W200 Std, Trac-Lok 603892
  • 71-75 D200/W200HD Std, Trac-Lok 603237
  • 76-78 D200/W200HD Std, Trac-Lok 603647
  • 70-71 B300/M300 Std, Powr-Lok, Trac-Lok 603160
  • 71.5-74 B300/M300 Std, Trac-Lok 603313
  • 74.5-75 B300/M300 Std, Trac-Lok 603516
  • 76 B300/M300 Std, Trac-Lok 603645
  • 76.5 B300/M300 Std, Trac-Lok 603768
  • 77-78 B300/M300 Std, Trac-Lok 603774
  • 78 B300 Maxi Std 603832

Axle Shaft Dimensions

Axle shaft dimensions vary in Dana 60 axles. Dimensions of semi- floating (passenger car type) axles shafts are shown below. Shaft lengths are measured from the outer flange face to the inboard end of the shaft. Note that the right axle shaft is always shorter than the left, so unlike the Chrysler 8 3/4" axle, Dana 60 axle shafts will not interchange side-to-side.

BoM Dia.-splines L shaft R shaft

  • 602957 1-1/2"-23 29-21/32" 28-9/32"
  • 603109 1-1/2"-35 29-21/32" 28-9/32"
  • 603222 1-1/2"-35 31-5/64" 29-11/16"
  • 603347 1-1/2"-35 28-7/16" 27-1/16"
  • 603080 1-1/2"-35 30-7/16" 29-1/16"
  • 603226 1-1/2"-35 30-7/16" 29-1/16"
  • 603425 1-1/2"-35 24-7/16" 23-1/16"
  • 603831 1-5/16"-30 32-5/8" 32-5/8"

Dana 60 Gear sets

  • Standard Series
    • P4529919 4.10:1
    • P4529920 4.56:1
    • P4529921 4.88:1
    • P4529922 5.13:1
    • P4529923 4.38:1
    • P4529924 5.57:1
    • P4529925 5.86:1
    • P4529926 6.17:1
  • Pro Series 9310 High Strength Material
    • P4529927 4.10:1
    • P4529928 5.13:1
    • P4529929 5.38:1
    • P4529930 5.57:1
    • P4529931 5.86:1
    • P4529932 6.17:1
    • P4529933 6.50:1


Part Numbers

  • 382S Differential bearing cup
  • 387A Differential bearing cone
  • HM88510 Drive pinion outer bearing cup
  • HM88542 Drive pinion outer bearing cone
  • HM803110 Drive pinion inner bearing cup
  • HM803146 Drive pinion inner bearing cone
  • 18888 Drive pinion seal
  • 18891 Drive pinion seal (Differs in configuration of lip)
  • P4529485 Powr-Lok Diff. Clutch kit (Flat Plates with composite)
  • 2852523 Powr-Lok Diff. Clutch kit (plain steel Flat Plates)
  • P3571032 Differential Bearing Adjustment Shim Package
  • P3571030 Drive Pinion Front Bearing Shim Package
  • P3571031 Drive Pinion Rear Bearing Shim Package
  • P5249453 Shim Kit (Includes 030, 031, and 032 Packages)
  • P4529488 Ring Gear Bolt Package
  • RDS6095 Cover gasket (Felpro)
  • A7 Axle bearing
  • A7LK Axle seal and retainer kit, left side
  • A7RK Axle seal and retainer kit, right side (discontinued as of March, 2001)

Model Predecessor

 Need some help with the predecessor of the Dana 60"

Model Successor

Related Models

Other Rear Axles used on Modern Mopars include:


Applications and Size

Year by Year Changes

Wiki Topic References:

Magazine References:

External Links