Vander Haag's Inc. Eaton RSP40 Axles & Differentials For Sale

Vander Haag`s Inc
3809 4th Ave W
Spencer, IA 51301-2082
United States
(855) 370-3711

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Vander Haag's Inc.

Industry
Truck Parts

Category
Axles & Differentials

Manufacturer
Eaton

Model
RSP40

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Differentials, Rear

Axle Housings, Rear

51 - 75 of 109 listings

2011 Eaton RSP40 Rear Differential for a Peterbilt 386

$395 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: COULD NOT VERIFY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	26024232
MLS Number	14466430
Category	Differentials, Rear
Last Updated	9/25/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Differential for a Kenworth T600

$395 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	26028391
MLS Number	14467168
Category	Differentials, Rear
Last Updated	9/25/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP40 Rear Differential for a Peterbilt 384

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# 515354

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	384
Part Number	515354
Stock Number	26057470
MLS Number	14625455
Category	Differentials, Rear
Last Updated	9/25/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2019 Eaton RSP40 Rear Differential for a Peterbilt 579

$350 USD

(USED) Eaton RSP40 Ratio: 3.08 Side Gear Splines: 41 W/ Locker: NO Cast#: N/A Ref# 771604

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Part Number	771604
Stock Number	26060469
MLS Number	14625451
Category	Differentials, Rear
Last Updated	9/25/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Axle Housing for a Kenworth T600

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DISC Wheel Type: PILOT Suspension: AG380 Track Width : 73 Ref# NO TAG

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Part Number	NO TAG
Stock Number	26035137
MLS Number	14497386
Category	Axle Housings, Rear
Last Updated	9/12/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Axle Housing for a Peterbilt 340

$850 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	340
Stock Number	26049245
MLS Number	14594038
Category	Axle Housings, Rear
Last Updated	9/10/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2001 Eaton RSP40 Rear Differential for a Peterbilt 385

$495 USD

(USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129543

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	385
Stock Number	25929955
MLS Number	14115823
Category	Differentials, Rear
Last Updated	9/2/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP40 Rear Differential for a Mack Cxu

$415 USD

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

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CXU
Stock Number	25955524
MLS Number	14321088
Category	Differentials, Rear
Last Updated	8/30/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Axle Housing for a Peterbilt 579

$850 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)	579
Stock Number	25837871
MLS Number	13737630
Category	Axle Housings, Rear
Last Updated	8/23/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2001 Eaton RSP40 Rear Differential for a Mack CX

$495 USD

(USED) Eaton RSP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: NO Cast#: 129351 Ref# NO TAG

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CX
Part Number	NO TAG
Stock Number	25952614
MLS Number	14301532
Category	Differentials, Rear
Last Updated	8/23/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

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2001 Eaton RSP40 Rear Axle Housing for a Mack CX

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: MACK AIR Track Width : 73 Ref# NO TAG

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CX
Part Number	NO TAG
Stock Number	25952621
MLS Number	14245372
Category	Axle Housings, Rear
Last Updated	8/23/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

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2010 Eaton RSP40 Rear Axle Housing for a Kenworth T2000

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG380 Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T2000
Stock Number	25836041
MLS Number	14067611
Category	Axle Housings, Rear
Last Updated	8/23/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2016 Eaton RSP40 Rear Differential for a Peterbilt 579

$375 USD

(USED) Eaton RSP40 Ratio: 2.93 Side Gear Splines: 41 W/ Locker: NO Cast#: -

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	26050884
MLS Number	14550681
Category	Differentials, Rear
Last Updated	8/21/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2007 Eaton RSP40 Rear Differential for a Peterbilt 340

$574 USD

(USED) Eaton RSP40 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: NO Cast#: 121812

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	340
Stock Number	26049242
MLS Number	14542390
Category	Differentials, Rear
Last Updated	8/14/2026
Location	Spencer, 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: 2.64 Side Gear Splines: 41 W/ Locker: NO Cast#: 511323

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25911672
MLS Number	14254172
Category	Differentials, Rear
Last Updated	8/12/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2008 Eaton RSP40 Rear Differential for a Peterbilt 386

$395 USD

(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 511329 Ref# 511329

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Part Number	511329
Stock Number	25931245
MLS Number	14254157
Category	Differentials, Rear
Last Updated	8/12/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2006 Eaton RSP40 Rear Axle Housing for a Kenworth T600

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T600
Stock Number	25875026
MLS Number	13909550
Category	Axle Housings, Rear
Last Updated	8/9/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

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2008 Eaton RSP40 Rear Differential for a Peterbilt 389

$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)	389
Stock Number	26044130
MLS Number	14533055
Category	Differentials, Rear
Last Updated	8/14/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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2014 Eaton RSP40 Rear Axle Housing for a Peterbilt 579

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE FLEX AIR Track Width : 73 HEAVILY RUSTED

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25996363
MLS Number	14371280
Category	Axle Housings, Rear
Last Updated	7/22/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

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2011 Eaton RSP40 Rear Differential for a Kenworth T660

$495 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25924696
MLS Number	14117716
Category	Differentials, Rear
Last Updated	7/18/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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2015 Eaton RSP40 Rear Differential for a Kenworth T680

$415 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 08D4 Ref# 511327

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Part Number	511327
Stock Number	26025948
MLS Number	14489434
Category	Differentials, Rear
Last Updated	7/17/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's 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.

(855) 370-___ SHOW
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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.

(855) 370-___ SHOW
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2012 Eaton RSP40 Rear Axle Housing for a Kenworth T660

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Suspension: AG400L Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25996565
MLS Number	14371245
Category	Axle Housings, Rear
Last Updated	5/24/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.