Used Eaton RSP40 Axles &amp; Differentials For Sale

2012 Eaton RSP40 Rear Differential for a Peterbilt 365

$360 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)	365
Stock Number	25820189
MLS Number	13709011
Category	Differentials, Rear
Last Updated	7/20/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

Eaton RSP40 Rear Differential

$500 USD

3.55 Ratio 41 Spline

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RSP40
Stock Number	R12134809
MLS Number	13707033
Category	Differentials, Rear
Last Updated	7/17/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

1999 Eaton RSP40 Rear Differential for a Kenworth W900S

$350 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25671767
MLS Number	12974219
Category	Differentials, Rear
Last Updated	7/12/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2009 Eaton RSP40 Rear Differential for a Peterbilt 386

$317 USD

(USED) Eaton RSP40 Ratio: 3.70 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 511330

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Part Number	511330
Stock Number	25821383
MLS Number	13684586
Category	Differentials, Rear
Last Updated	7/4/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

2004 Eaton RSP40 Rear Differential for a Peterbilt 387

$350 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 130830

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25792546
MLS Number	13572800
Category	Differentials, Rear
Last Updated	6/29/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2014 Eaton RSP40 Rear Differential for a Peterbilt 386

$360 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: CAN NOT VERIFY THE CAST NUMBER

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25816293
MLS Number	13675738
Category	Differentials, Rear
Last Updated	6/29/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RSP40 Rear Differential for a Kenworth T800

$317 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	25787778
MLS Number	13558692
Category	Differentials, Rear
Last Updated	6/26/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RSP40 Rear Differential

$550 USD

3.55 Ratio 41 Spline

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RSP40
Stock Number	R12088926
MLS Number	13665064
Category	Differentials, Rear
Last Updated	6/25/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

2012 Eaton RSP40 Rear Differential for a Peterbilt 587

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	587
Stock Number	25766485
MLS Number	13451479
Category	Differentials, Rear
Last Updated	6/22/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2014 Eaton RSP40 Rear Differential for a Kenworth T680

$360 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	25786312
MLS Number	13542790
Category	Differentials, Rear
Last Updated	6/22/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2016 Eaton RSP40 Rear Axle Housing for a Peterbilt 579

$725 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : 72 RUSTED

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25809390
MLS Number	13640925
Category	Axle Housings, Rear
Last Updated	6/12/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RSP40 Rear Differential

$500 USD

3.25 Ratio 41 Spline

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RSP40
Stock Number	R12039820
MLS Number	13637068
Category	Differentials, Rear
Last Updated	6/11/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

2008 Eaton RSP40 Rear Axle Housing for a Kenworth T2000

$725 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG380 Track Width : Verify

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Stock Number	25377105
MLS Number	12848684
Category	Axle Housings, Rear
Last Updated	6/6/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2010 Eaton RSP40 Rear Axle Housing for a Peterbilt 387

$725 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400L Track Width : Verify

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25697085
MLS Number	13188352
Category	Axle Housings, Rear
Last Updated	6/6/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2006 Eaton RSP40 Rear Axle Housing for a Kenworth T2000

$725 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : 71

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Stock Number	25768424
MLS Number	13463325
Category	Axle Housings, Rear
Last Updated	6/6/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2007 Eaton RSP40 Rear Axle Housing for a International 8600

$725 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IROS Track Width : 71

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	8600
Stock Number	25794344
MLS Number	13572363
Category	Axle Housings, Rear
Last Updated	6/6/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2013 Eaton RSP40 Rear Axle Housing for a Peterbilt 386

$725 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : 72

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25798472
MLS Number	13592793
Category	Axle Housings, Rear
Last Updated	6/6/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2013 Eaton RSP40 Rear Differential for a Peterbilt 386

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25799928
MLS Number	13613946
Category	Differentials, Rear
Last Updated	6/5/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RSP40 Rear Differential

$550 USD

3.25 Ratio 41 Spline

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RSP40
Stock Number	R11951197
MLS Number	13607671
Category	Differentials, Rear
Last Updated	5/28/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

1997 Eaton RSP40 Rear Differential for a Kenworth W900L

$350 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	W900L
Stock Number	25791655
MLS Number	13572803
Category	Differentials, Rear
Last Updated	5/12/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

2015 Eaton RSP40 Rear Differential for a Kenworth T680

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: CAN NOT VERIFY MISSING TAG

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25792970
MLS Number	13565082
Category	Differentials, Rear
Last Updated	5/8/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2015 Eaton RSP40 Rear Axle Housing for a Kenworth T680

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DISC Wheel Type: PILOT Suspension: AG400 Track Width : 72 MISSING TAG, DOES NOT INCLUDE CALIPERS

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25792972
MLS Number	13565081
Category	Axle Housings, Rear
Last Updated	5/8/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP40 Rear Differential for a Kenworth T700

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.42 RATIO

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T700
Stock Number	89822
MLS Number	12834886
Category	Differentials, Rear
Last Updated	4/26/2025
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.