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post #1 of 4 (permalink) Old 01-13-2009, 10:18 AM Thread Starter
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Ring Gear Sizes?

Hey guys and gals

help me out here. i forgot what the ring gear sizes are in the front and rear axle.

i think i have figured out who makes the front axle, but i need the ring gear diameter for the front axle.

thanks
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post #2 of 4 (permalink) Old 01-13-2009, 11:35 AM
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I hope the info below would help ,,, also look at this thread https://www.jeepcommander.com/forums/...ead.php?t=6961


FRONT AXLES—200 mm

Differential Type______________________________________________ Conventional/Corporate
Availability __________________________________________________ __ Std. on 4WD models
Ring Gear Diameter ________________________________________________ 7.9 in. (200 mm)
Axle Ratios____________________________3.07:1 3.7-liter engine or 3.55:1 3.7-liter engine with NV245 transfer case or 3.73:1 4.7-liter and 5.7-liter engines

Differential Type_______________________________Electronic Limited Slip Differentials (ELSD)
Availability ___________________________________ Opt. on 4.7-liter and 5.7-liter 4WD models
Ring Gear Diameter _______________________________________________Sam e as Standard
Axle Ratios____________________________________________ __________ Same as standard




REAR AXLES—213 mm

Differential Type______________________________________________ Conventional/Corporate
Availability __________________________________________________ ___ Std. all Powertrains
Ring Gear Diameter ________________________________________________ 8.3 in. (213 mm)
Axle Ratios____________ 3.07:1 3.7-liter engine, 3.55:1 3.7-liter engine with NV245 transfer case; 3.73:1 4.7-liter and 5.7-liter V-8 engines

Differential Type_______________________________Electronic Limited Slip Differentials (ELSD)
Availability ____________________ Std. on Commander & Limited Models (except 2WD 5.7-liter)
Ring Gear Diameter ____________________________________________Same as conventional
Axle Ratios____________________________________________ _______Same as conventional
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post #3 of 4 (permalink) Old 01-13-2009, 12:28 PM
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Ross -
Eaton at least makes the ELSD units for the QDII systems, maybe they know who supplies ring and pinions/housings, etc.

OEM Support – New Product Applications

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1-800-328-3850
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post #4 of 4 (permalink) Old 01-13-2009, 05:29 PM
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American Axle, makes them. The ring and pinions may be a shared component with some of the axles they make for GM.

Last edited by Motorcity; 01-13-2009 at 06:48 PM.
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