Eaton RSP40 Axles & Differentials For Sale

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426 - 450 of 452 listings

2016 Eaton RSP40 Rear Differential for a Kenworth T440

$574 USD

(USED) Eaton RSP40 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: Na

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T440
Stock Number	25902940
MLS Number	14004154
Category	Differentials, Rear
Last Updated	2/26/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2012 Eaton RSP40 Rear Differential for a Peterbilt 386

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# 511327

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Part Number	511327
Stock Number	25873025
MLS Number	14014860
Category	Differentials, Rear
Last Updated	2/21/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2010 Eaton RSP40 Rear Differential for a Kenworth T660

$375 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25948507
MLS Number	14148600
Category	Differentials, Rear
Last Updated	2/18/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP40 Rear Differential for a Kenworth T700

$415 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T700
Stock Number	25869577
MLS Number	13983266
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2003 Eaton RSP40 Rear Differential for a Peterbilt 387

$495 USD

(USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	387
Stock Number	25881214
MLS Number	13927673
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP40 Rear Differential for a Kenworth T680

$415 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25897428
MLS Number	13998640
Category	Differentials, Rear
Last Updated	2/11/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Differential for a Kenworth T600

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 YOKE WILL NEED SWAPPED OR TO HAVE BROKEN BOLTS EXTRACTED

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25914535
MLS Number	14119585
Category	Differentials, Rear
Last Updated	1/31/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2002 Eaton RSP40 Rear Differential for a Kenworth T2000

$350 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 611329 Ref# 611329

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Part Number	611329
Stock Number	25824630
MLS Number	14108029
Category	Differentials, Rear
Last Updated	1/29/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2013 Eaton RSP40 Rear Differential for a Peterbilt 365

$350 USD

(USED) Eaton RSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	365
Stock Number	25900821
MLS Number	14104261
Category	Differentials, Rear
Last Updated	1/22/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2009 Eaton RSP40 Rear Differential for a Peterbilt 386

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 09007

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25919071
MLS Number	14095770
Category	Differentials, Rear
Last Updated	1/17/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Differential for a Peterbilt 379

$350 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)	379
Stock Number	25918529
MLS Number	14068789
Category	Differentials, Rear
Last Updated	1/4/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2009 Eaton RSP40 Rear Differential for a Peterbilt 386

$350 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	25897978
MLS Number	13986470
Category	Differentials, Rear
Last Updated	12/24/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2004 Eaton RSP40 Rear Differential for a Kenworth T800

$375 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	25875089
MLS Number	13868666
Category	Differentials, Rear
Last Updated	12/7/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 511323

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25851913
MLS Number	13789546
Category	Differentials, Rear
Last Updated	11/27/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Kenworth T680

$350 USD

(USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFIY

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25893553
MLS Number	13986570
Category	Differentials, Rear
Last Updated	11/16/2025
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Kenworth T440

$574 USD

(USED) Eaton RSP40 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T440
Stock Number	25897094
MLS Number	13983089
Category	Differentials, Rear
Last Updated	11/14/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Differential for a Kenworth T600

$415 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25875020
MLS Number	13915509
Category	Differentials, Rear
Last Updated	11/6/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP40 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25882514
MLS Number	13904952
Category	Differentials, Rear
Last Updated	10/17/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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1996 Eaton RSP40 Rear Axle Housing for a Kenworth T800

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: BUDD Suspension: AG100 Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	25878156
MLS Number	13880565
Category	Axle Housings, Rear
Last Updated	10/17/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Axle Housing for a International 7500

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DISC Wheel Type: PILOT Suspension: HENDRICKSON Track Width : 72

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	7500
Stock Number	25860903
MLS Number	13806813
Category	Axle Housings, Rear
Last Updated	9/11/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Differential for a International 7500

$574 USD

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

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	7500
Stock Number	25860899
MLS Number	13802303
Category	Differentials, Rear
Last Updated	9/10/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Differential for a Peterbilt 387

$350 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	25844101
MLS Number	13785961
Category	Differentials, Rear
Last Updated	8/29/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Axle Housing for a International 9900

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: IH AIR Track Width : 73

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	9900
Stock Number	25843772
MLS Number	13761988
Category	Axle Housings, Rear
Last Updated	8/15/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$415 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	N/A
Stock Number	25830535
MLS Number	13752116
Category	Differentials, Rear
Last Updated	8/16/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP40 Ratio: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: NA

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25823287
MLS Number	13709002
Category	Differentials, Rear
Last Updated	8/3/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.