Eaton RSP40 Rear Differentials For Sale

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Differentials, Rear

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Eaton

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RSP40

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2009 Eaton RSP40 Rear Differential for a Peterbilt 387

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.55 RATIO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	72245
MLS Number	12827402
Category	Differentials, Rear
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2003 Eaton RSP40 Rear Differential for a Peterbilt 387

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.55 RATIO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	69639
MLS Number	12825909
Category	Differentials, Rear
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2003 Eaton RSP40 Rear Differential for a Kenworth T300

$795 USD

USED REAR DIFFERENTIAL MODEL-RSP40/3.90-RATIO/AIR BRAKE

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T300
Stock Number	68598
MLS Number	12825328
Category	Differentials, Rear
Last Updated	5/1/2024
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2009 Eaton RSP40 Rear Differential for a Peterbilt 386

$325 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# N/A

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Part Number	N/A
Stock Number	25623017
MLS Number	12784062
Category	Differentials, Rear
Last Updated	4/19/2024
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2011 Eaton RSP40 Rear Differential for a Peterbilt 386

Newly Listed

$395 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: verify

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	26024232
MLS Number	14466430
Category	Differentials, Rear
Last Updated	7/4/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP40 Rear Differential for a Kenworth T660

Newly Listed

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	26027420
MLS Number	14466387
Category	Differentials, Rear
Last Updated	7/4/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP40 Rear Differential for a Peterbilt 382

Newly Listed

$574 USD

(USED) Eaton RSP40 Ratio: 4.11 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	382
Stock Number	26025885
MLS Number	14462663
Category	Differentials, Rear
Last Updated	7/2/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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1996 Eaton RSP40 Rear Differential for a Kenworth T800

2011 Eaton RSP40 Rear Differential for a Peterbilt 384

2007 Eaton RSP40 Rear Differential for a Freightliner Columbia 120

$317 USD

(USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25889183
MLS Number	13968310
Category	Differentials, Rear
Last Updated	6/22/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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Eaton RSP40 Rear Differential

$1,495 USD

REBUILT EATON RSP40 REAR DIFFERENTIAL RATIO: 3.25

Condition	Remanufactured
Rear End	3.25 ratio
Stock Number	93816
MLS Number	12837723
Category	Differentials, Rear
Last Updated	6/20/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2009 Eaton RSP40 Rear Differential for a Kenworth T660

$750 USD

EATO RSP 4 3.55 RATIO

Condition	Used
Rear End	3.55 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T660
Stock Number	28404
MLS Number	14380184
Category	Differentials, Rear
Last Updated	6/20/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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Eaton RSP40 Rear Differential

$995 USD

GOOD USED TAKEOUT RSP40 5.57 RATIO NOTES, Ratio: 5.57

Condition	Used
Rear End	5.57 ratio
Stock Number	001234
MLS Number	11307487
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

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Eaton RSP40 Rear Differential

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RSP40 Ratio:3.55, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Stock Number	ATC2625
MLS Number	14423815
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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Eaton RSP40 Rear Differential

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RSP40 Ratio:3.70, Ratio: 3.70

Condition	Used
Rear End	3.70 ratio
Stock Number	ATC2621
MLS Number	14423810
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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Eaton RSP40 Rear Differential

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RSP40 Ratio:3.36, Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Stock Number	ATC2619
MLS Number	14423808
Category	Differentials, Rear
Last Updated	6/13/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

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Eaton RSP40 Rear Differential

$1,495 USD

REBUILT EATON RSP40 REAR DIFFERENTIAL RATIO: 4.11

Condition	Remanufactured
Rear End	4.11 ratio
Stock Number	100056
MLS Number	14413305
Category	Differentials, Rear
Last Updated	6/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2017 Eaton RSP40 Rear Differential for a Peterbilt 579

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: CANNOT VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	26005182
MLS Number	14396396
Category	Differentials, Rear
Last Updated	6/5/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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Eaton RSP40 Rear Differential

$795 USD

USED EATON RSP40 REAR DIFFERENTIAL RATIO: 3.70

Condition	Used
Rear End	3.70 ratio
Stock Number	100054
MLS Number	14402210
Category	Differentials, Rear
Last Updated	6/2/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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Eaton RSP40 Rear Differential

$795 USD

USED RSP40 EATON REAR DIFFERENTIAL RATIO: 3.70

Condition	Used
Rear End	3.70 ratio
Stock Number	95828
MLS Number	13018330
Category	Differentials, Rear
Last Updated	6/2/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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Eaton RSP40 Rear Differential

$795 USD

Used Eaton RSP40 REAR differential Ratio: 3.36

Condition	Used
Rear End	3.36 ratio
Stock Number	93736
MLS Number	12837654
Category	Differentials, Rear
Last Updated	6/2/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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2019 Eaton RSP40 Rear Differential for a Kenworth T680

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: -

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	26005395
MLS Number	14398510
Category	Differentials, Rear
Last Updated	5/30/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2005 Eaton RSP40 Rear Differential for a Peterbilt 387

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25995551
MLS Number	14396542
Category	Differentials, Rear
Last Updated	5/29/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Differential for a Peterbilt 387

$395 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	26003979
MLS Number	14394122
Category	Differentials, Rear
Last Updated	5/28/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2009 Eaton RSP40 Rear Differential for a Peterbilt 386

$395 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25986883
MLS Number	14348074
Category	Differentials, Rear
Last Updated	5/24/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.