Axle Alliance RT40-4N Rear Differentials For Sale

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Axle Alliance RT40-4N Rear Differential for a 2008 Sterling A9500

$995 USD

ART40-4N,REAR 2.85 RATIO USED TAKEOUT WILL INSPECT IN OUR GEAR SHOP. 90 DAY WARRANTY., Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Sterling
Fits To Model(s)	A9500
Will Fit Year(s)	2008
Stock Number	11926-3
MLS Number	14110710
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

(833) 541-___ SHOW
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Axle Alliance RT40-4N Rear Differential for a 2014 Freightliner Cascadia 125

$995 USD

ART40-4N RR 3.42 INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 3.42

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2014
Stock Number	41023-8
MLS Number	12000033
Category	Differentials, Rear
Last Updated	5/15/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Axle Alliance RT40-4N Rear Differential

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Good Condition Rear Differential RT40-4N Ratio 3.72, Ratio: 3.72

Condition	Used
Rear End	3.72 ratio
Stock Number	976480
MLS Number	14130649
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential

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Good Condition Differential RT40-4N Ratio 2.85, Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Stock Number	976458
MLS Number	14126955
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential

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Good Condition Rear Differential RT40-4N Ratio 2.53, Ratio: 2.53

Condition	Used
Rear End	2.53 ratio
Stock Number	976425
MLS Number	14117878
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential

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Good Condition Rear Differential RT40-4N Ratio 2.85, Ratio: 2.85

Condition	Used
Rear End	2.85 ratio
Stock Number	976101
MLS Number	12627786
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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

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MILES441526 HAS LOCKER, Ratio: 308

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2016
Stock Number	GY9012-3
MLS Number	12627780
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2017 Freightliner Cascadia

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MILES 466241, Ratio: 241

Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2017
Stock Number	HV1011-5
MLS Number	11803745
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential

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Good Condition Rear Differential RT40-4N Ratio 3.85, Ratio: 385

Condition	Used
Rear End	3.85 ratio
Stock Number	976021
MLS Number	11155074
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2009 Freightliner Cascadia

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GOOD SHAPE, Ratio: 341

Condition	Used
Rear End	3.41 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2009
Stock Number	AB1461-2
MLS Number	11073176
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2007 Sterling AT9500

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AXLE HAS PILOT LUG'S AND ABS, Ratio: 390

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	Sterling
Fits To Model(s)	AT9500
Will Fit Year(s)	2007
Stock Number	X72552-5
MLS Number	10013212
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2007 Freightliner CST120

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axle has abs and pilot lug's, Ratio: 342

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	CST120
Will Fit Year(s)	2007
Stock Number	Z69000-5
MLS Number	9603822
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential

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Looks good no visible damage, Ratio: 2.41

Condition	Used
Rear End	2.41 ratio
Stock Number	1161
MLS Number	9602463
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2015 Freightliner Cascadia 125

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(Used) 2015 Freightliner Cascadia 125, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Make: Axle Alliance, Model: RT40-4N, Serial Number: AAC14R1, Part Number: QA6813504330, Ratio: 3.30, Capacity:...

Condition	Used
Rear End	3.30 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2015
Part Number	QA6813504330
Stock Number	P-43208
MLS Number	11962402
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2015 Freightliner Cascadia 125

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(Used) 2015 Freightliner Cascadia 125, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-045, Serial Number: 771AAC-A142777T, Make: Axle Alliance, Model: RT40-4N, Ratio: 2.53, Capacity:...

Condition	Used
Rear End	2.53 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2015
Part Number	C11-00042-045
Stock Number	P-58753
MLS Number	12297967
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2007 Freightliner ST120

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(Used) 2007 Freightliner ST120, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00006-183, Serial Number: 771AAC-A025748T, Make: Axle Alliance, Model: RT40-4N, Ratio: 3.42,...

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	ST120
Will Fit Year(s)	2007
Part Number	C11-00006-183
Stock Number	P-96283
MLS Number	13374272
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2007 Freightliner Columbia 120

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(Used) 2007 Freightliner Columbia 120, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00006-106, Serial Number: 771AAC-A038025T, Make: Axle Alliance, Model: RT40-4N, Ratio: 3.58,...

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Columbia 120
Will Fit Year(s)	2007
Part Number	C11-00006-106
Stock Number	P-102548
MLS Number	13590173
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Axle Alliance RT40-4N Rear Differential for a 2007 Freightliner Columbia 120

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(Used) 2007 Freightliner Columbia 120, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00006-202, Serial Number: 771AAC-A042781T, Make: Axle Alliance, Model: RT40-4N, Ratio: 3.42,...

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Columbia 120
Will Fit Year(s)	2007
Part Number	C11-00006-202
Stock Number	P-106223
MLS Number	13677328
Category	Differentials, Rear
Last Updated	5/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(888) 693-___ SHOW
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2012 Axle Alliance RT40-N Rear Differential 3.41 Ratio

$1,250 USD

Used 2012 Axle Alliance RT40-4N Rear Differential , Removed from 2012 Freightliner Cascadia , OEM , Manufacture: Axle Alliance , Model: RT40-4N , Ratio: 3.41 , Rear...

Condition	Used
Part Number	RT40-4N Rear
MLS Number	14303839
Category	Differentials, Rear
Last Updated	4/10/2026
Location	Mineral, VA, US
Sold By	Inside Auto Parts

(833) 396-___ SHOW
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Axle Alliance RT40-4N Rear Differential Ratio 3.23

$850 USD

USED ALLIANCE RT40-4N REAR DIFFERENTIAL ASSEMBLY, RATIO 3.23, 30 DAY WARRANTY, FOR MORE INFORMATION PLEASE CALL (833) 396-5166.

Condition	Used
Part Number	RT40-4N
Stock Number	S4095
MLS Number	10134419
Category	Differentials, Rear
Last Updated	4/7/2023
Location	Palmyra, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(833) 371-___ SHOW
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Axle Alliance RT40-4N Rear Differential

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RT40-4N Ratio:2.62, Ratio: 2.62

Condition	Used
Rear End	2.62 ratio
Stock Number	ATC2446
MLS Number	13565458
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

(833) 371-___ SHOW
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Axle Alliance RT40-4N Rear Differential

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RT40-4N Ratio:3.23, Ratio: 3.23

Condition	Used
Rear End	3.23 ratio
Stock Number	ATC2260
MLS Number	13000151
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

(833) 371-___ SHOW
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Axle Alliance RT40-4N Rear Differential

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RT40-4N Ratio:3.33, Ratio: 3.33

Condition	Used
Rear End	3.33 ratio
Stock Number	ATC1786
MLS Number	11346400
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

(877) 254-___ SHOW
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2014 Axle Alliance RT40-4N Rear Differential for a Freightliner Cascadia

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GTO

Condition	Used
Rear End	2.53 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia
Stock Number	25573
MLS Number	11193083
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.