Used Eaton RSP40 Rear Differentials For Sale

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Eaton RSP40 Rear Differential

2010 Eaton RSP40 Rear Differential for a Kenworth T800

2019 Eaton RSP40 Rear Differential for a Peterbilt 579

Eaton RSP40 Rear Differential

$600 USD

Good used Eaton RSP40 Rear, Rear Differential Assembly. 3.55 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RSP40
Stock Number	Ryd RSP40/3.55/41
MLS Number	10643512
Category	Differentials, Rear
Last Updated	1/13/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Eaton RSP40 Rear Differential

$500 USD

Good used Eaton RSP40 Rear, Rear Differential Assembly. 3.25 Ratio. 90 day guarantee for swap or refund

Quantity	2
Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RSP40
Stock Number	Ryd RSP40/3.25/41
MLS Number	10806818
Category	Differentials, Rear
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2014 Eaton RSP40 Rear Differential for a Kenworth T660

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: Could Not Verify

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25740346
MLS Number	13331406
Category	Differentials, Rear
Last Updated	12/31/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

Eaton RSP40 Rear Differential

$850 USD

RSP40-264 - Refurbished

Condition	Used
Rear End	2.64 ratio
Stock Number	RSP40-264-REF
MLS Number	14028867
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-285 - Refurbished

Condition	Used
Rear End	2.85 ratio
Stock Number	RSP40-285-REF
MLS Number	14028868
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-293 - Refurbished

Condition	Used
Rear End	2.93 ratio
Stock Number	RSP40-293-REF
MLS Number	14028869
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-308 - Refurbished

Condition	Used
Rear End	3.08 ratio
Stock Number	RSP40-308-REF
MLS Number	14028870
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-325 - Refurbished

Condition	Used
Rear End	3.25 ratio
Stock Number	RSP40-325-REF
MLS Number	14028871
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-336 - Refurbished

Condition	Used
Rear End	3.36 ratio
Stock Number	RSP40-336-REF
MLS Number	14028872
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-342 - Refurbished

Condition	Used
Rear End	3.42 ratio
Stock Number	RSP40-342-REF
MLS Number	14028873
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-355 - Refurbished

Condition	Used
Rear End	3.55 ratio
Stock Number	RSP40-355-REF
MLS Number	14028874
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-370 - Refurbished

Condition	Used
Rear End	3.70 ratio
Stock Number	RSP40-370-REF
MLS Number	14028875
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-390 - Refurbished

Condition	Used
Rear End	3.90 ratio
Stock Number	RSP40-390-REF
MLS Number	14028876
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-411 - Refurbished

Condition	Used
Rear End	4.11 ratio
Stock Number	RSP40-411-REF
MLS Number	14028877
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-433 - Refurbished

Condition	Used
Rear End	4.33 ratio
Stock Number	RSP40-433-REF
MLS Number	14028878
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-463 - Refurbished

Condition	Used
Rear End	4.63 ratio
Stock Number	RSP40-463-REF
MLS Number	14028879
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-488 - Refurbished

Condition	Used
Rear End	4.88 ratio
Stock Number	RSP40-488-REF
MLS Number	14028880
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-529 - Refurbished

Condition	Used
Rear End	5.29 ratio
Stock Number	RSP40-529-REF
MLS Number	14028881
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-557 - Refurbished

Condition	Used
Rear End	5.57 ratio
Stock Number	RSP40-557-REF
MLS Number	14028882
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-617 - Refurbished

Condition	Used
Rear End	6.17 ratio
Stock Number	RSP40-617-REF
MLS Number	14028883
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$850 USD

RSP40-650 - Refurbished

Condition	Used
Rear End	6.50 ratio
Stock Number	RSP40-650-REF
MLS Number	14028884
Category	Differentials, Rear
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment