Eaton RSP40 Axles & Differentials For Sale

1 - 25 of 51 listings

2013 Rear Axle Housing for a Kenworth T660

$725 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25355103
MLS Number	12686721
Category	Axle Housings, Rear
Last Updated	4/16/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2013 Spicer J400S Rear Differential for a Peterbilt 587

$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)	587
Stock Number	25370926
MLS Number	12336375
Category	Differentials, Rear
Last Updated	3/26/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2008 Eaton RSP40 Rear Differential for a Mack Cxu

$375 USD

(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 130946 RUST FORMING ON CRR CASING, SURFACE RUST ON RING GEAR COLLAR AND PINION GEAR.

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	CXU
Stock Number	25786793
MLS Number	13538936
Category	Differentials, Rear
Last Updated	3/18/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2015 Eaton RSP40 Rear Axle Housing for a Kenworth T680

$725 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400L Track Width : Verify Ref# 321318

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Part Number	321318
Stock Number	25350751
MLS Number	11775296
Category	Axle Housings, Rear
Last Updated	3/12/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2010 Eaton RSP40 Rear Axle Housing for a Peterbilt 387

$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)	387
Stock Number	25611484
MLS Number	13019359
Category	Axle Housings, Rear
Last Updated	3/7/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2010 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	25611481
MLS Number	12709683
Category	Differentials, Rear
Last Updated	2/6/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2016 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	25708510
MLS Number	13193637
Category	Differentials, Rear
Last Updated	12/26/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2005 Eaton RSP40 Rear Axle Housing for a Kenworth T800

$850 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG200 Track Width : 72

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Stock Number	25823899
MLS Number	13692725
Category	Axle Housings, Rear
Last Updated	7/13/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2013 Eaton RSP40 Rear Axle Housing for a Kenworth T660

$725 USD

(USED) Eaton RSP40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AG400 Track Width : 72 Ref# 323819

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Part Number	323819
Stock Number	25769178
MLS Number	13453805
Category	Axle Housings, Rear
Last Updated	6/28/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

1995 Eaton RSP40 Rear Axle Housing for a GMC Topkick

$725 USD

(USED) Eaton RSP40 Brake Type: HYDRAULIC DISC Wheel Type: PILOT Suspension: SPRING Track Width : 72

Condition	Used
Fits To Make(s)	GMC
Fits To Model(s)	TOPKICK
Stock Number	25367780
MLS Number	11836235
Category	Axle Housings, Rear
Last Updated	6/6/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2006 Eaton RSP40 Rear Axle Housing for a Kenworth T800

$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)	T800
Stock Number	25761909
MLS Number	13511348
Category	Axle Housings, Rear
Last Updated	4/11/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2015 Eaton RSP40 Rear Differential for a Kenworth T680

$360 USD

(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 515327

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25743572
MLS Number	13446082
Category	Differentials, Rear
Last Updated	4/4/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2002 Eaton RSP40 Rear Differential for a Freightliner FLD112

$495 USD

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

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	FLD112
Stock Number	25753380
MLS Number	13451486
Category	Differentials, Rear
Last Updated	3/17/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2012 Eaton RSP40 Rear Differential for a Peterbilt 386

$350 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25758732
MLS Number	13448051
Category	Differentials, Rear
Last Updated	3/14/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2015 Eaton RSP40 Rear Differential for a Peterbilt 579

$375 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)	579
Stock Number	25705914
MLS Number	13181309
Category	Differentials, Rear
Last Updated	10/17/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2015 Eaton RSP40 Rear Differential for a Peterbilt 579

$360 USD

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

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25488587
MLS Number	12277241
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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#: -

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25423917
MLS Number	12053351
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

2013 Eaton RSP40 Rear Differential for a Kenworth T660

$395 USD

(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T660
Stock Number	25355100
MLS Number	12439430
Category	Differentials, Rear
Last Updated	8/29/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

1998 Eaton RSP40 Rear Axle Housing for a Volvo VNL

$850 USD

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

Condition	Used
Fits To Make(s)	Volvo
Fits To Model(s)	VNL
Stock Number	25661098
MLS Number	12952177
Category	Axle Housings, Rear
Last Updated	6/25/2024
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Eaton RSP40 Axles & Differentials For Sale

Shop Axles & Differentials by Subcategory

Showing 1 - 25 of 51 Listings