Used Detroit Axles &amp; Differentials For Sale

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2022 Detroit RT40.0-4 Front Differential for a Freightliner 122SD

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$2,750 USD

(USED) Detroit DART-400-4N Ratio: 3.58 Side Gear Splines: 40 W/ Locker: NO Cast#: R7753511105

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	122SD
Stock Number	25747999
MLS Number	13451488
Category	Differentials, Front
Last Updated	8/2/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2020 Detroit DA-F-12.5-3 Front Axle Assembly for a Freightliner Cascadia 126

Recently Updated

$850 USD

Detroit DA-F-12.5-3 Front Axle, 12.5K, 33" Spring Centers, 4" Spring Width, 10 Hole Pilot, Air Drum Brakes, ABS. S/N- 739912B0122873

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Capacity	12500
Stock Number	4339-4
MLS Number	14074976
Category	Axle Assemblies, Front
Last Updated	8/1/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2016 Detroit DA-F-12.5-3 Front Axle Assembly for a Freightliner CASCADIA

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Detroit DA-F-12.5-3 Front Axle For Parts, Missing Disc Brake Assemblies, 12.5K Capacity, 33" Spring Centers, 4" Spring Width, 10 Hole Pilot,

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA
Capacity	12500
Stock Number	4334-4
MLS Number	14072347
Category	Axle Assemblies, Front
Last Updated	8/1/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2018 Detroit DA-F-12.0-3 Front Axle Assembly for a Freightliner Cascadia 126

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DA-F-12.0-3 (F12-3N) Front Axle For Parts, Missing Disc Brake Assemblies, 12K, 33" Spring Centers, 4" Spring Width, 10 Hole Pilot. Cast # A6803318301

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Capacity	33 x 4
Stock Number	1615-11
MLS Number	13895044
Category	Axle Assemblies, Front
Last Updated	8/1/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit RT40-NFD Rear Differential for a 2023 Freightliner Cascadia 126

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(Used) 2023 Freightliner Cascadia 126, REAR DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771195B0355463, Make: Detroit, Model: RT40-NFD, Ratio: 2.85, Capacity: 20,000...

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2023
Part Number	C11-00051-620
Stock Number	P-510356
MLS Number	14518690
Category	Differentials, Rear
Last Updated	8/1/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-NFD Rear Axle Housing for a 2023 Freightliner Cascadia 126

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(Used) 2023 Freightliner Cascadia 126, REAR DIFFERENTIAL HOUSING ONLY- Part Number: C11-00051-620, Serial Number: 771195B0355463, Make: Detroit, Model: RT40-NFD, Ratio: 2.85, Capacity:...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2023
Part Number	C11-00051-620
Stock Number	P-510353
MLS Number	14518687
Category	Axle Housings, Rear
Last Updated	8/1/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-NFD Front Differential for a 2023 Freightliner Cascadia 126

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(Used) 2023 Freightliner Cascadia 126, FRONT DIFFERENTIAL GEARS ONLY- Part Number: C11-00051-620, Serial Number: 771194B0355462, Make: Detroit, Model: RT40-NFD, Ratio: 2.85, Capacity:...

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2023
Part Number	C11-00051-620
Stock Number	P-510348
MLS Number	14518682
Category	Differentials, Front
Last Updated	8/1/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2022 Detroit DA-F-12.5-3 Front Axle Assembly

Recently Updated

$960.24 USD

ALUMINUM HUBS, TIE ROD BENT

Condition	Used
Fits To Make(s)	DETROIT
Fits To Model(s)	DA-F-12.5-3
Capacity	12500LBS
Stock Number	2676023
MLS Number	14489947
Category	Axle Assemblies, Front
Last Updated	8/1/2026
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

Detroit DA-RT-40.0-4 Rear Axle Housing for a 2019 Freightliner Cascadia 126

Newly Listed

$1,295 USD

DART-40 REAR AXLE HOUSING ON AIRLINER, DISC BRAKE., Hub Bolts: 10, Suspension: AIRLINER, Brake Type: DISC

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2019
Stock Number	71726-12
MLS Number	14518363
Category	Axle Housings, Rear
Last Updated	8/1/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Detroit DA-RT-40.0-4 Front Axle Housing for a 2019 Freightliner Cascadia 126

Newly Listed

$1,295 USD

DART-40 FRONT AXLE HOUSING ON AIRLINER, DISC BRAKE., Hub Bolts: 10, Suspension: AIRLINER, Brake Type: DISC

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2019
Stock Number	71726-11
MLS Number	14518362
Category	Axle Housings, Front
Last Updated	8/1/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Detroit DA-RT-40.0-4 Rear Differential for a 2019 Freightliner Cascadia 126

Newly Listed

$2,295 USD

REAR DART-40 3.42 RATIO, LOCKER, LATE STYLE. WILL INSPECT 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 126
Will Fit Year(s)	2019
Stock Number	71726-4
MLS Number	14518355
Category	Differentials, Rear
Last Updated	8/1/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Detroit DA-RT-40.0-4 Front Differential for a 2019 Freightliner Cascadia 126

Newly Listed

$3,995 USD

FRONT DART-40 3.42 RATIO, LATE STYLE. WILL INSPECT 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 126
Will Fit Year(s)	2019
Stock Number	71726-3
MLS Number	14518354
Category	Differentials, Front
Last Updated	8/1/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2016 Detroit DA-F-13.3-3 Front Axle Assembly

Price Drop $850 USD

Detroit DA-F13.3-3 Front Axle, 13.3K, 10 Hole Pilot, Air Drum Brakes, 33" Center to Center, 4" Spring Width

Condition	Used
Capacity	13300
Stock Number	1777-8
MLS Number	14290667
Category	Axle Assemblies, Front
Last Updated	7/31/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

2013 Detroit DA-F-12.0-3 Front Axle Assembly

Price Drop $850 USD

Detroit AF-12.0-3 Front Axle, 33" Center to Center, 4" Spring Width, 10 Hole Pilot, Air Drum Brakes

Condition	Used
Stock Number	1413-7
MLS Number	14289278
Category	Axle Assemblies, Front
Last Updated	7/31/2026
Location	Dinuba, CA, US
Sold By	Garabedian Equipment

2019 Detroit DA-RT-40.0-4S Rear Differential for a Freightliner Cascadia 126

Recently Updated

$1,500 USD

Core - DA-RT-40.0-4S HH (RT40-NFD Rear) - 2.85 Ratio - Grade D - broken gear set, burnt pinion bearings, good case. core unit sold as-is.

Condition	Used
Rear End	2.85 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	28877
MLS Number	14319900
Category	Differentials, Rear
Last Updated	7/31/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2019 Detroit DA-RT-40.0-4S Rear Axle Housing for a Freightliner Cascadia 126

Recently Updated

$850 USD

Detroit Rear Axle Housing, DA-RT40.0-4S NFD, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS, 53.5" Inner Flange To Inner Flange, STD Track. P/N A7753500930. Removed from 2019...

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	1981-6
MLS Number	13897998
Category	Axle Housings, Rear
Last Updated	7/31/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2019 Detroit DA-RT-40.0-4S Front Axle Housing for a Freightliner Cascadia 126

Recently Updated

$850 USD

Detroit Front Rear Axle Housing, DA-RT40.0-4S NFD, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum Brakes, ABS, STD Track. 53.5" Inner Flange To Inner Flange, STD Track Width. P/N A7753500130...

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	1981-5
MLS Number	13897997
Category	Axle Housings, Front
Last Updated	7/31/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit RS17.5-2 Rear Differential for a 2021 Freightliner M2 106

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(Used) 2021 Freightliner M2 106, DIFFERENTIAL GEARS ONLY- Part Number: C11-00001-017, Serial Number: 742820B0178062, Make: Detroit, Model: RS17.5-2, Ratio: 5.13, Capacity: 19,000 Lbs,...

Condition	Used
Rear End	5.13 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2021
Part Number	C11-00001-017
Stock Number	P-510194
MLS Number	14516637
Category	Differentials, Rear
Last Updated	7/31/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS17.5-2 Rear Axle Housing for a 2021 Freightliner M2 106

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(Used) 2021 Freightliner M2 106, DIFFERENTIAL HOUSING ONLY- Part Number: C11-00001-017, Serial Number: 742820B0178062, Make: Detroit, Model: RS17.5-2, Ratio: 5.13, Capacity: 19,000 Lbs,...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2021
Part Number	C11-00001-017
Stock Number	P-510193
MLS Number	14516636
Category	Axle Housings, Rear
Last Updated	7/31/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RS17.5-2 Rear Axle Assembly for a 2021 Freightliner M2 106

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(Used) 2021 Freightliner M2 106, COMPLETE REAR DIFFERENTIAL- Part Number: C11-00001-017, Serial Number: 742820B0178062, Make: Detroit, Model: RS17.5-2, Ratio: 5.13, Capacity: 19,000 Lbs, ...

Condition	Used
Rear End	5.13 ratio
Fits To Make(s)	Freightliner
Fits To Model(s)	M2 106
Will Fit Year(s)	2021
Part Number	C11-00001-017
Stock Number	P-510192
MLS Number	14516635
Category	Axle Assemblies, Rear
Last Updated	7/31/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Detroit RT40-NFD-N Rear Axle Housing for a 2020 Freightliner Cascadia 126

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(Used) 2020 Freightliner Cascadia 126, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C11-00051-317, Serial Number: 771194A0060445, Make: Detroit, Model: RT40-NFD-N, Ratio: 3.08, Capacity: 20...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2020
Part Number	C11-00051-317
Stock Number	P-498308
MLS Number	14161508
Category	Axle Housings, Rear
Last Updated	8/1/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2020 Detroit DART400-4R Rear Axle Housing

Recently Updated

$1,700 USD

USED DETROIT DART400-4R AXLE HOUSING OUT OF A 2020 FREIGHTLINER CASCADIA 126 WITH AN AIRLINER SUSPENSION.

Condition	Used
Suspension	AirLiner
Fits To Make(s)	DETROIT
Fits To Model(s)	DART400-4R
Stock Number	2572277
MLS Number	13940487
Category	Axle Housings, Rear
Last Updated	7/31/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

2020 Detroit DART400-4F Front Axle Housing

Recently Updated

$1,800 USD

USED DETROIT DART400-4F AXLE HOUSING OUT OF A 2020 FREIGTHLINER CASCADIA 126 WITH AN AIRLINER SUSPENSION.

Condition	Used
Suspension	AirLiner
Fits To Make(s)	DETROIT
Fits To Model(s)	DART400-4F
Stock Number	2572276
MLS Number	13940486
Category	Axle Housings, Front
Last Updated	7/31/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck

2020 Detroit RT40-NFDRR308 Rear Differential

Recently Updated

$1,995.16 USD

GOOD CONDITION ---OIL WAS CLEAN

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	DETROIT
Fits To Model(s)	RT40-NFDRR308
Stock Number	2515760
MLS Number	13641449
Category	Differentials, Rear
Last Updated	7/31/2026
Location	Wykoff, MN, US
Sold By	LKQ Heavy Truck