Rear End - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 07-17-2010, 01:33 PM Thread Starter
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Rear End

How do I determine what kind of rear end I have? I have an 02 f250 4 door 4wd.

2010 F250 CC King Ranch
Stock all the way

2001 F350 CC Lariat DRW
Superchip tuned

1996 F250 Regular Cab 4x4 Automatic
6637 Intake

Gone! Thank God
2006 F350 CC Lariat


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My other Diesel 1996 315cl 7038hrs with thumb
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post #2 of 14 Old 07-17-2010, 01:34 PM
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10.5 rear end

2008 6.4 f250 lariat 4wd
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post #3 of 14 Old 07-17-2010, 01:47 PM
shaking things up

 
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look for the tag on the back cover it will be on one of the bolts

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post #4 of 14 Old 07-18-2010, 05:00 AM
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Mine had two tags, the tag on the drivers side is the "use synthetic lube" tag and the tag on the passenger side tells the rear end info, gear ratio etc.

1995 PSD F-350 Crew Cab Dually....Sold
2000 PSD Crew Cab F-250 4x4
285 Geolanders
EBP sensor and tube clean
Badwin air filter #PA2818
Replaced carrier beariing
Replaced water pump
Repalced ICP and CPS
Straight Pipe
Gauges and A pillar pod
Superchips Flashpaq #1805
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post #5 of 14 Old 07-18-2010, 06:02 AM Thread Starter
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Ok found the tag, the numbers are as follows: 731052f12 I also found a rear end near me for sale the numbers are 731050813 does anyone know if they are compatible the replacement rear end came out of a 2000 f250 lwb mine is 2002 lwb. Is there anything else I need to consider for the change like the front 4wd gearing i heard if you don't match them when your in 4wd you will have a problem. One more thing on the id tag on the truck it shows a C1 Axel. Don't know if that helps Thanks for the help guys.

2010 F250 CC King Ranch
Stock all the way

2001 F350 CC Lariat DRW
Superchip tuned

1996 F250 Regular Cab 4x4 Automatic
6637 Intake

Gone! Thank God
2006 F350 CC Lariat


gsu51@hotmail.com

My other Diesel 1996 315cl 7038hrs with thumb
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post #6 of 14 Old 07-18-2010, 06:38 AM
Other vehicle is an F250
 
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Quote:
Originally Posted by melmount View Post
10.5 rear end
I agree with Melmount...10.5" Sterling

2001 F250 Lariat Crewcab, Automatic, 4X4

(Late '99 Regular Cab Work Truck)


6.5" Pro Comp Lift ~ Traction Bars ~ Son-Built Sliders ~ 16" Pro Comp Xtreme Wheels with 35" BFG TA KM2s
4" Banks Exh.-Power Elbow ~ Wicked Wheel ~ DIY AMSOIL EaAU4090 Intake ~ PHP 6 Pos Chip ~ LowDown LED Upgrade
Stage 1 Injectors ~ HankDaddy Mod. ~ BUILT TRANNY! 352 HP Shootin' for 375!
CAROLINA POWERSTROKE ASSOCIATION
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post #7 of 14 Old 07-18-2010, 06:43 AM
Other vehicle is an F250
 
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Found this................

Ford Rear Axle Assembly Identification - Page 13 - FORDification.com

And this...........

Look at your truck. If it is a Ford '99-'03 SuperDuty pickup with single rear wheels (SRW) and a 7.3L diesel engine, then it has a Ford "Sterling" 10.5" rear axle. The "Sterling" means it was manufactured in the Ford axle plant in the little town of Sterling, Michigan.

The only numbers on the axle tag that mean anything to most of us is the "3L73 10 5" at the beginning of the second line. That tells you that you have a 3.73 axle ratio with limited slip and a 10.5" ring gear. If that code were "3 73 10 5", then you would have a 3.73 axle ratio without limited slip, and it would have the 10.5" ring gear.

On most of those axle tags, the first character is covered by a bolt head and/or gunky grease and dirt. So unless you remove the tag and clean it up, you might think it begins with L73 or just 73.

2001 F250 Lariat Crewcab, Automatic, 4X4

(Late '99 Regular Cab Work Truck)


6.5" Pro Comp Lift ~ Traction Bars ~ Son-Built Sliders ~ 16" Pro Comp Xtreme Wheels with 35" BFG TA KM2s
4" Banks Exh.-Power Elbow ~ Wicked Wheel ~ DIY AMSOIL EaAU4090 Intake ~ PHP 6 Pos Chip ~ LowDown LED Upgrade
Stage 1 Injectors ~ HankDaddy Mod. ~ BUILT TRANNY! 352 HP Shootin' for 375!
CAROLINA POWERSTROKE ASSOCIATION

Last edited by Hank; 07-18-2010 at 06:46 AM.
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post #8 of 14 Old 07-18-2010, 07:21 AM
Let's go B's!!!!

 
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Well, I would have said a Ford 10.25 rear

What is my Ford rear end ratio, do I have positraction - Drivetrain.com



Chris

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post #9 of 14 Old 07-18-2010, 07:44 AM
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Quote:
Originally Posted by Southpaw View Post
Well, I would have said a Ford 10.25 rear :shrug
They share the same cover so that chart could apply to either one.

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post #10 of 14 Old 07-18-2010, 09:14 AM
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Good info Hank......Thanks, Fred

1995 PSD F-350 Crew Cab Dually....Sold
2000 PSD Crew Cab F-250 4x4
285 Geolanders
EBP sensor and tube clean
Badwin air filter #PA2818
Replaced carrier beariing
Replaced water pump
Repalced ICP and CPS
Straight Pipe
Gauges and A pillar pod
Superchips Flashpaq #1805
Foil Delete Mod
Replaced Glow Plugs ZD11's
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