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Ford Super Duty Gears, Lockers, and Rebuild Kits
Ring and pinion gears, lockers, and overhaul kits for 1999 through current model year Ford F-250 and F-350 Super Duty trucks.



Ford Super Duty Axle Parts

Gear Ratio Recommendations

Tire Size Highway OEM Towing
33" to 36" 3.55 3.73 4.11
37" to 39" 4.11 4.56 4.88
40" to 44" 4.56 4.88 5.13

Tools: Gear Ratio Calculator / Engine RPM Calculator
Locker Recommendations

Our favorite locker combination for the Super Duty is an Eaton TrueTrac in the rear and a selectable locker like the ARB Air Locker or Eaton E-Locker up front. If you're on a budget, then the Spartan Locker also works well up front if your truck features automatic hubs.


Ford F-250 / F-350 Super Duty (1999 - 2002) | Ford Excursion (2000 - 2005)

The following gears, lockers and install kits are available for 1999 to 2002 Ford F-250 and F-350 Super Duty trucks and the 2000 to 2005 Ford Excursion with Dana 50 front axles and Ford Sterling 10.5" rear axles. Note: Ford 10.25" long pinion gears are also compatible with the Ford 10.5" axle when a Ford 10.25" master install kit is used.

Front Axle: Dana 50
Dana 50
30 Spline Full Float Axle Shafts
No Carrier Break
Reverse Rotation


Gears
3.54R
3.73R
4.11R
4.30R
4.56R
4.88R
5.13R
5.38R
Install Kits
Master
Minor
Lockers
ARB Air Locker
Yukon Grizzly Locker

• '99-'02 Ford F-350 DRW (Dual Rear Wheel) trucks featured Dana 60 front axles. See '02-'07 parts below.
Rear Axle: Ford 10.5"
Ford 10.5
35 Spline Axle Shafts
No Carrier Break
Standard Rotation


Gears
3.55
3.73
4.11
4.30
4.56
4.88
5.13 †
5.38 †
Install Kits
Master (10.5)
Minor (All)




Master (10.25) †
Lockers
ARB Air Locker
Yukon Zip Locker
Yukon Grizzly Locker
Detroit Locker
Eaton TrueTrac
OX Locker

† Ford 10.25" gears require 10.25" master install kit.

• F-350 models also used Dana 70 and Dana 80 axles.

© Copyright Filthy Motorsports, DrivetrainShop.com - Do Not Copy or Reproduce Without Written Permission.



Ford F-250 / F-350 Super Duty (2002 - 2007)

The following gears, lockers and install kits are available for 2002 to 2007 Ford F-250 and F-350 Super Duty trucks with Dana 60 front axles and Ford Sterling 10.5" rear axles. Note: Ford 10.25" long pinion gears are also compatible with the Ford 10.5" axle when a Ford 10.25" master install kit is used.

Front Axle: Dana 60
Dana 60
35 Spline Full Float Axle Shafts
4.10/4.56 Carrier Break
Reverse Rotation


Gears
3.54R
3.73R
4.11R
4.30R(T)
4.56R(T)
4.88R(T)
5.13R(T)
5.38R(T)
Install Kits
Master (All)
Minor (All)
Lockers (4.10 - )
ARB Air Locker
Eaton E-Locker
Eaton TrueTrac
Detroit Locker
YukonZip Locker
Yukon Grizzly Locker
Ox Locker
Yukon Full Spool
Spartan Locker

4.88R*
5.38R*

*For aftermarket 4.56+
carriers and lockers


(T) Thick gears for 4.10-
carriers and lockers

Lockers (4.56 + )
ARB Air Locker
Eaton E-Locker
Eaton TrueTrac
Detroit Locker
Yukon Zip Locker
Yukon Grizzly Locker
Ox Locker
Yukon Full Spool
Axle Shafts
RCV Ultimate Chromoly CV Axle Shafts
Rear Axle: Ford 10.5"
Ford 10.5
35 Spline Full Float Axle Shafts
No Carrier Break
Standard Rotation


Gears
3.55
3.73
4.11
4.30
4.56
4.88
5.13 †
5.38 †
Install Kits
Master (10.5)
Minor (All)




Master (10.25) †
Lockers
ARB Air Locker
Yukon Zip Locker
Yukon Grizzly Locker
Detroit Locker
Eaton TrueTrac
OX Locker

† Ford 10.25" gears require 10.25" master install kit.

• F-350 models also used Dana 80 rear axles.


• 1999-2007 Ford 10.5" axle housings are identical to the earlier 1993-1998 Ford 10.25" axles so both 10.25" and 10.5" gears will fit as long as the matching bearings are used.

© Copyright Filthy Motorsports, DrivetrainShop.com - Do Not Copy or Reproduce Without Written Permission.



Ford F-250 / F-350 Super Duty (2008 - 2010)

The following gears, lockers and install kits are available for 2008 to 2010 Ford F-250 and F-350 Super Duty trucks with Dana 60 front axles and Ford Sterling 10.5" rear axles. Note: Ford 10.25" long pinion gears are also compatible with the Ford 10.5" axle when a Ford 10.25" master install kit is used.

Front Axle: Dana 60
Dana 60
35 Spline Full Float Axle Shafts
4.10/4.56 Carrier Break
Reverse Rotation


Gears
3.54R
3.73R
4.11R
4.30R(T)
4.56R(T)
4.88R(T)
5.13R(T)
5.38R(T)
Install Kits
Master (All)
Minor (All)
Lockers (4.10 - )
ARB Air Locker
Eaton E-Locker
Eaton TrueTrac
Detroit Locker
Yukon Zip Locker
Yukon Grizzly Locker
Ox Locker
Yukon Full Spool
Spartan Locker

4.88R*
5.38R*

*For aftermarket 4.56+
carriers and lockers


(T) Thick gears for 4.10-
carriers and lockers

Lockers (4.56 + )
ARB Air Locker
Eaton E-Locker
Eaton TrueTrac
Detroit Locker
Yukon Zip Locker
Yukon Grizzly Locker
Ox Locker
Yukon Full Spool
Axle Shafts
RCV Ultimate Chromoly CV Axle Shafts
Rear Axle: Ford 10.5"
Ford 10.5
35 Spline Full Float Axle Shafts
No Carrier Break
Standard Rotation


Gears
3.55
3.73
4.11
4.30
4.56
4.88
5.13 †
5.38 †
Install Kits
Master (10.5)





Minor (10.25) †
Master (10.25) †
Lockers
ARB Air Locker
Yukon Zip Locker
Yukon Grizzly Locker
Detroit Locker
Eaton TrueTrac
OX Locker

† Ford 10.25" gears require 10.25" master install kit.

• F-350 models also used Dana 80 rear axles.


• 2008-2010 Ford 10.5" axles use different bearings than the 2002-2006 Ford 10.5" axle, however, both 10.5" and 10.25" gears and lockers still fit when matched with the appropriate bearing kits.

© Copyright Filthy Motorsports, DrivetrainShop.com - Do Not Copy or Reproduce Without Written Permission.



Ford F-250 / F-350 Super Duty (2011 - 2016)

The following gears, lockers and install kits are available for 2011 to 2016 Ford F-250 and F-350 Super Duty trucks with Dana 60 front axles and Ford Sterling 10.5" rear axles.

Front Axle: Dana 60
Dana 60
35 Spline Full Float Axle Shafts
4.10/4.56 Carrier Break
Reverse Rotation


Gears
3.54R
3.73R
4.11R
4.30R(T)
4.56R(T)
4.88R(T)
5.13R(T)
5.38R(T)
Install Kits
Master (All)
Minor (All)
Lockers (4.10 - )
ARB Air Locker
Eaton E-Locker
Eaton TrueTrac
Detroit Locker
Yukon Zip Locker
Yukon Grizzly Locker
Ox Locker
Yukon Full Spool
Spartan Locker

4.88R*
5.38R*

*For aftermarket 4.56+
carriers and lockers


(T) Thick gears for 4.10-
carriers and lockers

Lockers (4.56 + )
ARB Air Locker
Eaton E-Locker
Eaton TrueTrac
Detroit Locker
Yukon Zip Locker
Yukon Grizzly Locker
Ox Locker
Yukon Full Spool
Axle Shafts
RCV Ultimate Chromoly CV Axle Shafts
Rear Axle: Ford 10.5"
Ford 10.5
35 Spline Full Float Axle Shafts
No Carrier Break
Standard Rotation


Gears
3.55
3.73
4.11
4.30
4.56
4.88
Install Kits
Master (10.5)
Lockers
ARB Air Locker
Yukon Zip Locker
Yukon Grizzly Locker
Detroit Locker
Eaton TrueTrac
OX Locker


• F-350 models also used Dana 80 rear axles.

• 2011 and newer Ford 10.5"/10.6" axles use different gears and bearings, however, differentials are interchangeable with earlier models.

© Copyright Filthy Motorsports, DrivetrainShop.com - Do Not Copy or Reproduce Without Written Permission.



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