Used Front Differentials For Sale

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2017 Detroit RT40.0-4 Front Differential for a Freightliner Cascadia

Price Drop $1,475 USD

(USED) Detroit RT40.0-4 Ratio: 2.53 Side Gear Splines: 41 W/ Locker: NO Cast#: R6813510605

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25823041
MLS Number	13699133
Category	Differentials, Front
Last Updated	8/16/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Meritor-Rockwell RD23-160 Front Differential for a 2019 Peterbilt 389

Newly Listed

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(Used) 2019 Peterbilt 389, FRONT DIFFERENTIAL GEARS ONLY- Part Number: 3200-U-1893, Serial Number: TBD, Make: Meritor, Model: RD23-160, Ratio: 3.91, Capacity: 23,000 Lbs, Reference images...

Condition	Used
Rear End	3.91 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	389
Will Fit Year(s)	2019
Part Number	3200-U-1893
Stock Number	P-510999
MLS Number	14534775
Category	Differentials, Front
Last Updated	8/11/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-NFD-N Front Differential for a 2019 Freightliner Cascadia 126

Newly Listed

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(Used) 2019 Freightliner Cascadia 126, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-621, Serial Number: 771194A0114496, Make: Detroit, Model: RT40-NFD-N, Ratio: 2.16, Capacity:...

Condition	Used
Rear End	2.16 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2019
Part Number	C11-00051-621
Stock Number	P-510989
MLS Number	14534765
Category	Differentials, Front
Last Updated	8/11/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-NFD-N Front Differential for a 2019 Freightliner Cascadia 126

Newly Listed

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(Used) 2019 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: C11-00051-621, Serial Number: 771194A0114496, Make: Detroit, Model: RT40-NFD-N, Ratio: 2.16, Capacity: 20,000...

Condition	Used
Rear End	2.16 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2019
Part Number	C11-00051-621
Stock Number	P-510986
MLS Number	14534762
Category	Differentials, Front
Last Updated	8/12/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2020 Eaton-Spicer D40155R279 Front Differential

Recently Updated

$2,600.24 USD

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	EATON-SPICER
Fits To Model(s)	D40155R279
Stock Number	2636715
MLS Number	14338051
Category	Differentials, Front
Last Updated	8/11/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

2021 Paccar MV2014PR279 Front Differential

Recently Updated

$4,250.16 USD

Mileage - 391,695

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	PACCAR
Fits To Model(s)	MV2014PR279
Stock Number	2683318
MLS Number	14520890
Category	Differentials, Front
Last Updated	8/11/2026
Location	Jackson, MS, US
Sold By	LKQ Heavy Truck

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Detroit DA-RT40.0-4S Front Differential for a 2020 Freightliner Cascadia 116 Day Cab

Newly Listed

$3,295 USD

GOOD INSPECTED TAKEOUT/ DETROIT WITH BOLT ON FRONT YOKE(NOT NUT). 90 DAY WARRANTY EXCHANGE, Serial#: na, Core Charge: 750.00, Ratio: 3.08, Clutch Housing Size: 1

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 116 Day Cab
Will Fit Year(s)	2020
Part Number	DETROIT
Stock Number	72726-3
MLS Number	14534446
Category	Differentials, Front
Last Updated	8/11/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2022 Detroit DA-RT-40.0-4S Front Differential for a Freightliner Cascadia 126

Recently Updated

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DA-RT40-4.0 - Front Rear - Ratio 2.85 - Pullout - DIFF ONLY. grade C - rebuildable - bad gearset - case good - metal chunks in case housing.

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	4491-4
MLS Number	14379305
Category	Differentials, Front
Last Updated	8/13/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential

Recently Updated

$800 USD

DA-RT40.0-4 Front - 2.85 Ratio - Core - Grade D - Hole Crack In Case, Gearset Broken Teeth, Bearings Worn. CORE UNIT SOLD AS-IS

Condition	Used
Rear End	2.85 ratio
Stock Number	4540438
MLS Number	13895691
Category	Differentials, Front
Last Updated	8/11/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential for a Unmarked N/A

Recently Updated

$800 USD

DA-RT40.0-4 NFD (RT40-NFD Front) - 2.85 Ratio - Core - Grade D - Ring Pinion Have Broken Teeth. CORE UNIT SOLD AS-IS.

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Unmarked
Fits To Model(s)	N/A
Stock Number	4540027
MLS Number	13894888
Category	Differentials, Front
Last Updated	8/11/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit RT40-NFD Front Differential for a 2022 Freightliner Cascadia 126

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(Used) 2022 Freightliner Cascadia 126, FRONT DIFFERENTIAL GEARS ONLY- Part Number: A6123504420, Serial Number: 8339751, Make: Detroit, Model: RT40-NFD, Ratio: 3.08, Capacity: 20,000 Lbs,...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2022
Part Number	A6123504420
Stock Number	P-510902
MLS Number	14533326
Category	Differentials, Front
Last Updated	8/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-NFD Front Differential for a 2022 Freightliner Cascadia 126

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(Used) 2022 Freightliner Cascadia 126, COMPLETE FRONT REAR TANDEM- Part Number: A6123504420, Serial Number: 8339751, Make: Detroit, Model: RT40-NFD, Ratio: 3.08, Capacity: 20,000 Lbs, Hub...

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2022
Part Number	A6123504420
Stock Number	P-510899
MLS Number	14533323
Category	Differentials, Front
Last Updated	8/10/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit DA-RT-40.0-4S Front Differential

$3,250 USD

DA-RT-40.0-4S 3.23 Ratio

Condition	Used
Rear End	3.23 ratio
Stock Number	36712
MLS Number	14532677
Category	Differentials, Front
Last Updated	8/8/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential

$3,250 USD

DA-RT-40.0-4S 2.85 Ratio

Condition	Used
Rear End	2.85 ratio
Stock Number	36711
MLS Number	14532676
Category	Differentials, Front
Last Updated	8/12/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential

$3,250 USD

DA-RT-40.0-4S 2.85 Ratio

Condition	Used
Rear End	2.85 ratio
Stock Number	36710
MLS Number	14532675
Category	Differentials, Front
Last Updated	8/8/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential

$3,250 USD

DA-RT-40.0-4S 2.16 Ratio

Condition	Used
Rear End	2.16 ratio
Stock Number	36708
MLS Number	14532674
Category	Differentials, Front
Last Updated	8/15/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DA-RT-40.0-4S Front Differential

$3,250 USD

DA-RT-40.0-4S 2.16 Ratio

Condition	Used
Rear End	2.16 ratio
Stock Number	36707
MLS Number	14532673
Category	Differentials, Front
Last Updated	8/8/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2019 Rockwell MV2014P Front Differential for a Kenworth T680

$5,500 USD

USED ROCKWELL MV2014P (PD40, PRA40) FRONT DIFFERENTIAL ASSEMBLY - RATIO: 2.79

Condition	Used
Rear End	2.79 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	92757
MLS Number	12836957
Category	Differentials, Front
Last Updated	8/8/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

Meritor-Rockwell MT40-14X Front Differential for a 2015 Freightliner Coronado 132 Glider

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(Used) 2015 Freightliner Coronado 132 Glider, FRONT DIFFERENTIAL GEARS ONLY- Part Number: S11-29395-355, Serial Number: F0R02593712, Make: Meritor, Model: MT40-14X, Radio: 3.55, Capacity: 20...

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Coronado 132 Glider
Will Fit Year(s)	2015
Part Number	S11-29395-355
Stock Number	P-509560
MLS Number	14498230
Category	Differentials, Front
Last Updated	8/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-4 Front Differential for a 2019 Freightliner Cascadia 125

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(Used) 2019 Freightliner Cascadia 125, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00042-090, Serial Number: 771199B0039020, Make: Detroit, Model: RT40-4, Ratio: 3.42, Capacity: 20,000...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2019
Part Number	C11-00042-090
Stock Number	P-503556
MLS Number	14426546
Category	Differentials, Front
Last Updated	8/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Mack CRD93 Front Differential for a 2008 Mack GU813

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(Used) 2008 Mack GU813, COMPLETE FRONT REAR TANDEM- Part Number: A3121E2865, Serial Number: EGH06224751, Make: Mack, Model: CRD93, Ratio: 3.86, Capacity: 22,000 Lbs, Hub Bolts: 10, Brake...

Condition	Used
Rear End	3.86 ratio
Fits To Make(s)	Mack
Fits To Model(s)	GU813
Will Fit Year(s)	2008
Part Number	A3121E2865
Stock Number	P-495431
MLS Number	14116251
Category	Differentials, Front
Last Updated	8/9/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2018 Meritor-Rockwell MD2014XR308 Front Differential

$450.15 USD

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	MD2014XR308
Stock Number	2677991
MLS Number	14506733
Category	Differentials, Front
Last Updated	8/8/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

2016 Meritor-Rockwell MD2014XR264 Front Differential

$695.15 USD

Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	MERITOR-ROCKWELL
Fits To Model(s)	MD2014XR264
Stock Number	2331376
MLS Number	14136579
Category	Differentials, Front
Last Updated	8/8/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

2015 Eaton-Spicer DSP40R336 Front Differential

$1,200 USD

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	EATON-SPICER
Fits To Model(s)	DSP40R336
Stock Number	2500784
MLS Number	13499124
Category	Differentials, Front
Last Updated	8/8/2026
Location	Easton, MD, US
Sold By	LKQ Heavy Truck