Axle Alliance Rear Differentials For Sale

2019 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

2010 Axle Alliance RT40.0-4 Rear Differential for a Freightliner C120 Century

Newly Listed

$415 USD

(USED) Alliance Axle RT40.0-4 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	C120 Century
Stock Number	26032529
MLS Number	14519886
Category	Differentials, Rear
Last Updated	8/3/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2014 Axle Alliance RS21.0-4 Rear Differential for a Freightliner M2 106

$945 USD

(USED) Alliance Axle RS21.0-4 Ratio: 5.22 Side Gear Splines: 41 W/ Locker: NO Cast#: R681351100

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	26009969
MLS Number	14409479
Category	Differentials, Rear
Last Updated	7/31/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2019 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

$908 USD

(USED) Alliance Axle RT40.0-4 Ratio: 2.85 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25919543
MLS Number	14068722
Category	Differentials, Rear
Last Updated	7/30/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2019 Axle Alliance RT40.0-4 Rear Differential for a Freightliner M2 106

$908 USD

(USED) Alliance Axle RT40.0-4 Ratio: 4.78 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	25920867
MLS Number	14106322
Category	Differentials, Rear
Last Updated	7/26/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2010 Axle Alliance RS13.0-2 Rear Differential for a Freightliner MT

$908 USD

(USED) Alliance Axle RS13.0-2 Ratio: 4.56 Side Gear Splines: 38 W/ Locker: NO Cast#: R6803510205

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT
Stock Number	26014136
MLS Number	14421075
Category	Differentials, Rear
Last Updated	7/30/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

(855) 794-___ SHOW
NUMBERCall Seller

Axle Alliance RT40-4NR Rear Differential

$1,200 USD

RT40-4NR-241 - Refurbished

Quantity	2
Condition	Used
Rear End	2.41 ratio
Stock Number	RT40-4NR-241-REF
MLS Number	13983818
Category	Differentials, Rear
Last Updated	7/29/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2013 Axle Alliance RS21.0-4 Rear Differential for a Freightliner M2 106

$945 USD

(USED) Alliance Axle RS21.0-4 Ratio: 5.22 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813511005

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	26032738
MLS Number	14493398
Category	Differentials, Rear
Last Updated	7/24/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2013 Axle Alliance RS21.0-4 Rear Differential for a Freightliner M2 106

$945 USD

(USED) Alliance Axle RS21.0-4 Ratio: 5.22 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813511005

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	26028060
MLS Number	14467247
Category	Differentials, Rear
Last Updated	7/18/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2016 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

$250 USD

(USED) Alliance Axle RT40.0-4 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	26029315
MLS Number	14473709
Category	Differentials, Rear
Last Updated	7/18/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2009 Axle Alliance RS23.0-4 Rear Differential for a Freightliner M2 106

$1,325 USD

(USED) Alliance Axle RS23.0-4 Ratio: 4.78 Side Gear Splines: 46 W/ Locker: YES Cast#: R6813511005

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	26034503
MLS Number	14491680
Category	Differentials, Rear
Last Updated	7/24/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2013 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

$415 USD

(USED) Alliance Axle RT40.0-4 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25912811
MLS Number	14051298
Category	Differentials, Rear
Last Updated	6/26/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 794-___ SHOW
NUMBERCall Seller

Axle Alliance RT40-4NR Rear Differential

$1,200 USD

RT40-4NR-342 - Refurbished

Condition	Used
Rear End	3.42 ratio
Stock Number	RT40-4NR-342-REF
MLS Number	14028748
Category	Differentials, Rear
Last Updated	6/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2007 Axle Alliance RT40.0-4 Rear Differential for a Freightliner C120 Century

$815 USD

(USED) Alliance Axle RT40.0-4 Ratio: 3.58 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	C120 Century
Stock Number	26019927
MLS Number	14442637
Category	Differentials, Rear
Last Updated	6/21/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2015 Axle Alliance RS17.5-4 Rear Differential for a Freightliner M2 106

$945 USD

(USED) Alliance Axle RS17.5-4 Ratio: 5.22 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813511005

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	25915708
MLS Number	14079123
Category	Differentials, Rear
Last Updated	6/20/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2015 Axle Alliance RT40.0-4 Rear Differential for a Freightliner M2 112

$908 USD

(USED) Alliance Axle RT40.0-4 Ratio: 2.62 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 112
Stock Number	26019830
MLS Number	14440875
Category	Differentials, Rear
Last Updated	6/20/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2013 Axle Alliance RS21.0-4 Rear Differential for a Freightliner M2 106

$945 USD

(USED) Alliance Axle RS21.0-4 Ratio: 5.22 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813511005

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	26015649
MLS Number	14429186
Category	Differentials, Rear
Last Updated	6/14/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(833) 541-___ SHOW
NUMBERCall Seller

Axle Alliance ART400-4S Rear Differential for a 2021 Freightliner Cascadia 126

$1,995 USD

DART400 RR LOCKER 3.08 RATIO WILL INSPECT. 90 DAY WARRANTY., Ratio: 3.08

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2021
Stock Number	52426-2
MLS Number	14424902
Category	Differentials, Rear
Last Updated	6/23/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2007 Axle Alliance RS15.0-2 Rear Differential for a Freightliner MT

$850 USD

(USED) Alliance Axle RS15.0-2 Ratio: 4.10 Side Gear Splines: 38 W/ Locker: NO Cast#: R6803510205

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT
Stock Number	26013570
MLS Number	14421185
Category	Differentials, Rear
Last Updated	6/12/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

(855) 794-___ SHOW
NUMBERCall Seller

Axle Alliance RT40-4NR Rear Differential

$2,246 USD

RT40-4NR-323 - Reconditioned

Condition	Remanufactured
Rear End	3.23 ratio
Stock Number	RT40-4NR-323-REC
MLS Number	14028733
Category	Differentials, Rear
Last Updated	6/9/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2018 Axle Alliance RT40.0-4 Rear Differential for a Freightliner Cascadia

$450 USD

(USED) Alliance Axle RT40.0-4 Ratio: 2.41 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510805

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25990865
MLS Number	14357561
Category	Differentials, Rear
Last Updated	5/24/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2006 Axle Alliance RS21.0-4 Rear Differential for a Sterling Acterra

$945 USD

(USED) Alliance Axle RS21.0-4 Ratio: 5.22 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813511005

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	ACTERRA
Stock Number	25934477
MLS Number	14228256
Category	Differentials, Rear
Last Updated	5/20/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2009 Axle Alliance RS19.0-2 Rear Differential for a Sterling Acterra

$908 USD

(USED) Alliance Axle RS19.0-2 Ratio: 3.91 Side Gear Splines: 38 W/ Locker: NO Cast#: R6803510205 Ref# NO TAG

Condition	Used
Fits To Make(s)	Sterling
Fits To Model(s)	Acterra
Part Number	NO TAG
Stock Number	25998439
MLS Number	14375494
Category	Differentials, Rear
Last Updated	5/17/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2016 Axle Alliance RS21.0-4 Rear Differential for a Freightliner M2 106

$908 USD

(USED) Alliance Axle RS21.0-4 Ratio: 5.56 Side Gear Splines: 46 W/ Locker: YES Cast#: R6813511105

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Stock Number	25893266
MLS Number	13995107
Category	Differentials, Rear
Last Updated	5/23/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.