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Meritor-Rockwell MD20143 Front Differential

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Good Condition Meritor Front Tandem Differential MD20143 Ratio 2.46, Ratio: 2.46

Condition	Used
Rear End	2.46 ratio
Stock Number	976396
MLS Number	14113725
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell RDL20-145 Front Differential

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Good Condition Meritor Front Tandem Differential w/ Locker RDL20-145 Ratio 3.42, Ratio: 3.42

Condition	Used
Rear End	3.42 ratio
Stock Number	976395
MLS Number	14113724
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Dana-Spicer Front Differential

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Good Condition Spicer Front Tandem Differential 4639 Ratio 3.90, Ratio: 3.9

Condition	Used
Rear End	3.90 ratio
Stock Number	976394
MLS Number	14113723
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Axle Alliance Front Differential

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Good Condition Axle Alliance Front Tandem Ratio 3.07, Ratio: 3.07

Condition	Used
Rear End	3.07 ratio
Stock Number	976393
MLS Number	14113722
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell 20-145 Front Differential

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Good Condition Meritor Front Tandem 21-145 Ratio 3.58, Ratio: 3.58

Condition	Used
Rear End	3.58 ratio
Stock Number	976392
MLS Number	14113721
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell MD20143 Front Differential for a 2021 Kenworth T680

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MILES 331900, Ratio: 308

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Will Fit Year(s)	2021
Stock Number	493397-4
MLS Number	14108074
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell MT-40-143 Front Differential for a 2015 Freightliner Cascadia

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MILES 801201, Ratio: 264

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2015
Stock Number	HG3186-5
MLS Number	14094039
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Detroit DA-RT-40.0-4 Front Differential for a 2021 Freightliner Cascadia

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GOOD SHAPE, Ratio: 216

Condition	Used
Rear End	2.16 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2021
Stock Number	MF9583-2
MLS Number	14087518
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell 20-145 Front Differential for a 1998 Freightliner Century Class

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MILES 801799, Ratio: 373

Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Century Class
Will Fit Year(s)	1998
Stock Number	B41033-3
MLS Number	14081514
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell 20-145 Front Differential for a 2002 Freightliner FLD

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MILES 177293, Ratio: 411

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD
Will Fit Year(s)	2002
Stock Number	K96398-4
MLS Number	14077103
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Detroit DA-RT-40.0-4 Front Differential for a 2020 Freightliner Cascadia

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MILES 699385, Ratio: 228

Condition	Used
Rear End	2.28 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2020
Stock Number	MJ3182-3
MLS Number	14077079
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Axle Alliance Front Differential

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RT40 NFD, Ratio: 2.16

Condition	Used
Rear End	2.16 ratio
Stock Number	976133
MLS Number	14019991
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Axle Alliance RT40-04 Front Differential

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Inspected, Ratio: 2.53

Condition	Used
Rear End	2.53 ratio
Stock Number	976132
MLS Number	14019990
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Axle Alliance RT40-4N Front Differential

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Inspected good, Ratio: 2.41

Condition	Used
Rear End	2.41 ratio
Stock Number	976130
MLS Number	14019988
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Dana-Spicer D23-170 Front Differential for a 2018 Kenworth T880

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GOOD SHAPE, Ratio: 307

Condition	Used
Rear End	3.07 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T880
Will Fit Year(s)	2018
Stock Number	244988-3
MLS Number	13897681
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell RT23-160 Front Differential for a 2006 Freightliner COLUMBIA

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MILES 498946, Ratio: 373

Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA
Will Fit Year(s)	2006
Stock Number	X73771-4
MLS Number	13880787
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Dana-Spicer DS405 Front Differential for a 2008 Freightliner Cascadia

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MILES 1771834, Ratio: 336

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2008
Stock Number	AH4652-3
MLS Number	13871710
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell MD20143 Front Differential for a 2014 Freightliner Cascadia

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GOOD SHAPE MILES N/A, Ratio: 355

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2014
Stock Number	FZ7698-4
MLS Number	13864281
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Dana-Spicer DSP40 Front Differential for a 2013 Kenworth T800

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MILES 372579, Ratio: 336

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2013
Stock Number	336200-5
MLS Number	13855288
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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International Front Differential for a 1998 International 9400

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MILES 614433 DIFF IS RA14GDCR INSTALLED 2023, Ratio: 354

Condition	Used
Rear End	3.54 ratio
Fits To Make(s)	International
Fits To Model(s)	9400
Will Fit Year(s)	1998
Stock Number	071890-6
MLS Number	13847098
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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International Front Differential for a 1998 International 9400

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MILES 614433 DIFF IS RA14GDCR INSTALLED 2023, Ratio: 354

Condition	Used
Rear End	3.54 ratio
Fits To Make(s)	International
Fits To Model(s)	9400
Will Fit Year(s)	1998
Stock Number	071890-5
MLS Number	13847097
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell 20-145 Front Differential for a 1989 International 9370

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GOOD SHAPE, Ratio: 358

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	International
Fits To Model(s)	9370
Will Fit Year(s)	1989
Stock Number	028313-4
MLS Number	13827453
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Mack CRD92-93 Front Differential for a 1999 Mack RD688S

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MILES 224067, Ratio: 464

Condition	Used
Rear End	4.64 ratio
Fits To Make(s)	Mack
Fits To Model(s)	RD688S
Will Fit Year(s)	1999
Stock Number	045007-4
MLS Number	13827435
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Dana-Spicer D46-170H Front Differential for a 2007 Peterbilt 357

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MILES 162523, Ratio: 430

Condition	Used
Rear End	4.30 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	357
Will Fit Year(s)	2007
Stock Number	662232-4
MLS Number	13806951
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Meritor-Rockwell 20-145 Front Differential for a 2002 International 2674

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MILES 270624, Ratio: 433

Condition	Used
Rear End	4.33 ratio
Fits To Make(s)	International
Fits To Model(s)	2674
Will Fit Year(s)	2002
Stock Number	552047-4
MLS Number	13801271
Category	Differentials, Front
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts