Used Eaton RSP40 Rear Differentials For Sale

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Axles & Differentials

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Differentials, Rear

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Eaton

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RSP40

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Used

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Eaton RSP40 Rear Differential for a 2009 Kenworth T2000

$395 USD

GOOD INSPECTED TAKEOUT. 3.55 RATIO. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 3.55

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Will Fit Year(s)	2009
Stock Number	90618-8
MLS Number	9503627
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2010 Kenworth T660

$395 USD

GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: EXCHANGE, Ratio: 3.55

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Will Fit Year(s)	2010
Stock Number	80218-18
MLS Number	9467125
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2007 Kenworth T800

$395 USD

RSP40 3.70 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.7

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2007
Stock Number	71918-19
MLS Number	9462484
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2003 Peterbilt 379

$395 USD

GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.55

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	379
Will Fit Year(s)	2003
Stock Number	31318-16
MLS Number	9369385
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2006 Kenworth T800

$395 USD

GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY ON PARTS, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.36

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2006
Stock Number	21318-17
MLS Number	9357613
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2006 Kenworth T600

$395 USD

RSP40 3.36 WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.36

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Will Fit Year(s)	2006
Stock Number	100617-18
MLS Number	9230401
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2006 Kenworth T600

$495 USD

RSP40 4.63 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 4.63

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Will Fit Year(s)	2006
Stock Number	60917-23
MLS Number	9144085
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2011 Freightliner Cascadia

$450 USD

GOOD INSPECTED TAKEOUT 90 DAY WARRANTY RST40 3.55, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.55

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2011
Stock Number	50317-14
MLS Number	9092274
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2006 Kenworth T800

$395 USD

RSP40 3.36 INSPECTED TAKEOUT 90 DAY WARRANTY, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2006
Stock Number	120916-7
MLS Number	9002635
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2006 Kenworth T600

$395 USD

GOOD INSPECTED TAKEOUT 90/180 DAY WARRANTY, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Will Fit Year(s)	2006
Stock Number	72216-17
MLS Number	9002064
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2006 Peterbilt 387

$395 USD

GOOD INSPECTED TAKEOUT 90/180 DAY WARRANTY, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Will Fit Year(s)	2006
Stock Number	92715-40
MLS Number	9001467
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2009 Kenworth T660

$525 USD

GOOD INSPECTED TAKOUT. 90 DAY WARRANTY, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Will Fit Year(s)	2009
Stock Number	22015-6
MLS Number	9001099
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2009 Peterbilt 387

$495 USD

GOOD USED INSPECTED TAKOUT, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Will Fit Year(s)	2009
Stock Number	21815-16
MLS Number	9001095
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential for a 2004 Kenworth T800

$395 USD

GOOD USED ,WILL BE CLEANED AND INSPECTED, Axle Spline Count: 41, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2004
Stock Number	12015-7
MLS Number	9001051
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential

$1,000 USD

Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada USA. 40 000lbs, Arrière, Pas de Lock, no core + 100$ 40 000lbs, Rear, No Lock, no core + 100$ Stock: 30481D,...

Condition	Used
Rear End	4.11 ratio
Stock Number	30481D
MLS Number	11945584
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

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Eaton RSP40 Rear Differential for a 2009 Peterbilt 386

Contact for price

GOOD SHAPE, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Will Fit Year(s)	2009
Stock Number	794779-4
MLS Number	14219538
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Eaton RSP40 Rear Differential for a 2003 Kenworth W900

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MILES 422174, Ratio: 358

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	W900
Will Fit Year(s)	2003
Stock Number	704213-5
MLS Number	13533006
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Eaton RSP40 Rear Differential for a 2004 Kenworth T2000

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ABS, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Will Fit Year(s)	2004
Stock Number	972849-5
MLS Number	9391310
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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2019 Eaton RSP40 Rear Differential for a Peterbilt 579

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RSP40 - Rear Rear - 3.08 Ratio - Pullout - DIFF ONLY.

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	4470-3
MLS Number	14335968
Category	Differentials, Rear
Last Updated	5/7/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton RSP40 Rear Differential

$500 USD

RSP40 - 5.57 Ratio - Pullout - Grade A - Unit In Good Condition.

Condition	Used
Rear End	5.57 ratio
Stock Number	4540415
MLS Number	13895665
Category	Differentials, Rear
Last Updated	4/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2016 Eaton RSP40 Rear Differential for a Kenworth T680

$500 USD

RSP40 - 3.42 Ratio - Pullout - P/N 515354 - Grade A - Unit Is In Good Condition.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	UPS-277192-18
MLS Number	14140764
Category	Differentials, Rear
Last Updated	4/22/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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Eaton RSP40 Rear Differential

$600 USD

Good used Eaton RSP40 Rear, Rear Differential Assembly. 3.36 Ratio. 90 day guarantee for swap or refund

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	EATON
Fits To Model(s)	RSP40
Stock Number	Ryd RSP40/3.36/41
MLS Number	10643513
Category	Differentials, Rear
Last Updated	4/25/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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2016 Eaton RSP40 Rear Differential for a Kenworth T680

$500 USD

Core RSP40 - 3.42 Ratio - Grade C - Rebuildable - Broken Side Gear, Gear Set Looks Good. Core Unit Sold As-Is.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	30292
MLS Number	14269353
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2016 Eaton RSP40 Rear Differential for a Kenworth T680

$500 USD

RSP40 - 3.42 Ratio - Pullout - P/N 515354 - Grade A - Unit is in good condition.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	UPS-277185-18
MLS Number	14142998
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2016 Eaton RSP40 Rear Differential for a Kenworth T680

$500 USD

RSP40 - 3.42 Ratio - Pullout - Grade A -P/N 515354 - Unit Is In Good Condition.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T680
Stock Number	UPS-277190-18
MLS Number	14142982
Category	Differentials, Rear
Last Updated	4/14/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment