Rear Differentials For Sale

Eaton RS404 Rear Differential

$600 USD

Good used Eaton DS404 Rear, Rear Differential Assembly. 6.17 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	6.17 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS404
Stock Number	Ryd RS404/6.17/41
MLS Number	13426325
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S23-170 Rear Differential

$1,600 USD

Good used Spicer S23-170 rear, rear differential assembly. 5.25ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.25 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S23-170
Stock Number	Ryd S23-170/5.25/46
MLS Number	13363039
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Alliance R20-4N Rear Differential

$950 USD

Good used Alliance R20-4N full locking Rear, rear Differential Assembly. 5.22 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.22 ratio
Fits To Make(s)	ALLIANCE
Fits To Model(s)	R20-4N
Stock Number	Ryd R20-4N/5.22/46
MLS Number	13363022
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton RS405 Rear Differential

$600 USD

Good used Eaton RS405 rear, rear differential assembly. 3.25 ratio 90 day guarantee for swap or refund

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RS405
Stock Number	Ryd RS405/3.25/41
MLS Number	13162507
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Alliance RT40-4N Rear Differential

$850 USD

Good used Alliance RT40-4N rear, rear differential assembly. 2.41 ratio 90 day gurantee for swap or refund

Quantity	3
Condition	Used
Rear End	2.41 ratio
Fits To Make(s)	ALLIANCE
Fits To Model(s)	RT40-4N
Stock Number	Ryd RT40-4N/2.41/41
MLS Number	12062513
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell SQR100 Rear Differential

$800 USD

Good used Rockwell SQR100 rear, rear differential assembly. 4.10 ratio. 90 day gurantee for swap or refund.

Condition	Used
Rear End	4.10 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	SQR100
Stock Number	Ryd SQR100/4.10/41
MLS Number	11881484
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S-150 Rear Differential

$700 USD

Good used Spicer S-150 rear, rear differential assembly. 3.91 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.91 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S-150
Stock Number	Ryd S-150/3.91/36
MLS Number	11802790
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differential assembly. 4.33 ratio. 90 day guarantee for swap or refund.

Condition	Used
Rear End	4.33 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-20-145
Stock Number	Ryd RS-20-145/4.33/
MLS Number	11661954
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differentital assembly. 5.13 ratio. 90 day guarantee for swap or refund.

Condition	Used
Rear End	5.13 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-20-145
Stock Number	Ryd RS-20-145/5.13/
MLS Number	11620999
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Eaton 23080-S Rear Differential

$850 USD

Good used Eaton 23080-S rear, rear differential assembly. 3.08 ratio. 90 day guarentee for swap or refund.

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	EATON
Fits To Model(s)	23080-S
Stock Number	Ryd 23080-S/3.08/36
MLS Number	11586247
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differential assembly. 5.57 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-20-145
Stock Number	Ryd RS-20-145/5.57/
MLS Number	11459109
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S23-170 Rear Differential

$1,600 USD

Good used Spicer S23-170 rear, rear differential assembly. 5.57 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	5.57 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S23-170
Stock Number	Ryd S23-170/5.57/46
MLS Number	11348582
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS19145 Rear Differential for a Rockwell RS-19-145

$600 USD

Good used Rockwell RS-19-145 rear, rear differential assembly with emergency brake. 5.13 ratio. 90 day guarantee for swap or refund

Quantity	5
Condition	Used
Rear End	5.13 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-19-145
Stock Number	Ryd RS-19-145/5.13/
MLS Number	11999594
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS19145 Rear Differential for a Rockwell RS-19-145

$600 USD

Good used Rockwell RS-19-145 rear, rear differential assembly. 5.29 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	5.29 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-19-145
Stock Number	Ryd RS-19-145/5.29/
MLS Number	11999590
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differential assembly. 2.64 Ratio. 90 day guarantee for swap or refund,

Quantity	3
Condition	Used
Rear End	2.64 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-20-145
Stock Number	Ryd RS-20-145/2.64/
MLS Number	12332039
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer RA57 Rear Differential

$550 USD

Good used Spicer RA57 rear, rear differential assembly. 4.10 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	4.10 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	RA57
Stock Number	Ryd RA57/4.10/46
MLS Number	10806788
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS20145 Rear Differential for a Rockwell RS-20-145

$600 USD

Good used Rockwell RS-20-145 rear, rear differential assembly. 4.88 Ratio. 90 day guarantee for swap or refund,

Quantity	2
Condition	Used
Rear End	4.88 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-20-145
Stock Number	Ryd RS-20-145/4.88/
MLS Number	10744584
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer S-230 Rear Differential

$850 USD

Good used Spicer S-230 rear, rear differential assembly. 3.73 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	S-230
Stock Number	Ryd S-230/3.73/46
MLS Number	10643466
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS23160 Rear Differential for a Rockwell RS-23-160

$850 USD

Good used Rockwell RS-23-160 rear, rear differential assembly. 5.38 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	5.38 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-23-160
Stock Number	Ryd RS-23-160/5.38/
MLS Number	10568072
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS21145 Rear Differential for a Rockwell RS-21-145

$600 USD

Good used Rockwell RS-21-145 rear, rear differential assembly. 5.86 ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	5.86 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-21-145
Stock Number	Ryd RS-21-145/5.86/
MLS Number	11121773
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Rockwell RS19145 Rear Differential for a Rockwell RS-19-145

$600 USD

Good used Rockwell RS-19-145 rear, rear differential assembly. 4.11 ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	ROCKWELL
Fits To Model(s)	RS-19-145
Stock Number	Ryd RS-19-145/4.11/
MLS Number	10524901
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Volvo EV87 Rear Differential

$850 USD

Good used Volvo EV87 rear, rear differential assembly. 3.78 Ratio. 90 day guarantee for swap or refund,

Condition	Used
Rear End	3.78 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	EV87
Stock Number	Ryd EV87/3.78/17
MLS Number	10204626
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Spicer N175 Rear Differential

$600 USD

Good used Spicer N175 rear, rear differential assembly. 4.44 ratio. 36 spline axles. 90 day guarantee for swap or refund.

Quantity	2
Condition	Used
Rear End	4.44 ratio
Fits To Make(s)	SPICER
Fits To Model(s)	N175
Stock Number	Ryd N175/4.44/36
MLS Number	10225696
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Mack CRD93R464 Rear Differential

$2,000 USD

Condition	Remanufactured
Rear End	4.64 ratio
Fits To Make(s)	MACK
Fits To Model(s)	CRD93R464
Stock Number	REB CRD93-4.64
MLS Number	13490290
Category	Differentials, Rear
Last Updated	7/30/2025
Location	Lansing, IL, US
Sold By	LKQ Heavy Truck