Eaton RSP40 Axles &amp; Differentials For Sale below $10,000

(855) 370-___ SHOW
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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	9/19/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

Eaton RSP40 Rear Differential

$1,350 USD

RSP40-336 - Rebuilt

Condition	Remanufactured
Rear End	3.36 ratio
Stock Number	RSP40-336-REB
MLS Number	13963945
Category	Differentials, Rear
Last Updated	9/17/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(833) 541-___ SHOW
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Eaton RSP40 Rear Differential

$1,295 USD

REBUILT RSP40 3.70. 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62587, Core Charge: EXCHANGE, Ratio: 3.70

Condition	Remanufactured
Rear End	3.70 ratio
Part Number	62587
Stock Number	62587
MLS Number	14529833
Category	Differentials, Rear
Last Updated	9/13/2026
Location	Ucon, ID, US
Sold By	Holst Truck Parts

2014 Eaton RSP40 Rear Axle Housing for a Peterbilt 579

$950 USD

Eaton Rear Axle Housing, RSP40, w/ Torque Rod Bracket, 10 Hole Pilot, Air Drum ABS Brakes, STD Track. P/N 321319. Removed From 2014 Peterbilt Air Leaf Suspension

Condition	Used
Suspension	Air Leaf
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	4462-6
MLS Number	14319960
Category	Axle Housings, Rear
Last Updated	9/11/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2014 Eaton RSP40 Rear Differential for a Peterbilt 579

Contact for price

RSP40 - Rear Rear - 3.42 Ratio - Pullout - DIFF ONLY.

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	4462-3
MLS Number	14319957
Category	Differentials, Rear
Last Updated	9/11/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2013 Eaton RSP40 Rear Differential for a Peterbilt 384

Contact for price

RSP40 - Rear Rear - 4.11 Ratio - used - Grade C - rebuildable - DIFF ONLY. p/n 511332, Bad gear set, missing ring gear bolts, ring gear teeth are chipped, case looks good.

Condition	Used
Rear End	4.11 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	384
Stock Number	4424-3
MLS Number	14305904
Category	Differentials, Rear
Last Updated	9/11/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Eaton RSP40 Rear Differential

$1,350 USD

RSP40-264 - Rebuilt,

Condition	Remanufactured
Rear End	2.64 ratio
Stock Number	RSP40-264-REB
MLS Number	13963938
Category	Differentials, Rear
Last Updated	9/12/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 370-___ SHOW
NUMBERCall Seller

2014 Eaton RSP40 Rear Differential

$395 USD

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

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25670945
MLS Number	12972206
Category	Differentials, Rear
Last Updated	9/12/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

2007 Eaton RSP40 Rear Differential for a Peterbilt 387

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	387
Stock Number	94124
MLS Number	12837992
Category	Differentials, Rear
Last Updated	9/10/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2015 Eaton RSP40 Rear Differential for a Peterbilt 587

$795 USD

Used Eaton rear differential RSP40, Ratio: 3.08

Condition	Used
Rear End	3.08 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	587
Stock Number	94671
MLS Number	12889229
Category	Differentials, Rear
Last Updated	9/10/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

Eaton RSP40 Rear Differential

$795 USD

USED EATON RSP40 (REAR) REAR DIFFERENTIAL, RATIO 3.36. THE PRICE IS FOR THE DIFFERENTIAL ONLY BUT WE HAVE HOUSINGS AVAILABLE IF NEEDED.

Condition	Used
Rear End	3.36 ratio
Stock Number	96464
MLS Number	13068604
Category	Differentials, Rear
Last Updated	9/10/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

Eaton RSP40 Rear Differential

$795 USD

USED EATON RSP40 (REAR) REAR DIFFERENTIAL, RATIO 3.55. THE PRICE IS FOR THE DIFFERENTIAL ONLY BUT WE HAVE HOUSINGS AVAILABLE IF NEEDED.

Condition	Used
Rear End	3.55 ratio
Stock Number	96627
MLS Number	13089473
Category	Differentials, Rear
Last Updated	9/10/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2004 Eaton RSP40 Rear Differential for a Kenworth T2000

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T2000
Stock Number	69477
MLS Number	12825831
Category	Differentials, Rear
Last Updated	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2013 Eaton RSP40 Rear Differential for a Kenworth T700

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.25 RATIO

Condition	Used
Rear End	3.25 ratio
Fits To Make(s)	KENWORTH
Fits To Model(s)	T700
Stock Number	70497
MLS Number	12826448
Category	Differentials, Rear
Last Updated	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2013 Eaton RSP40 Rear Differential for a Peterbilt 579

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	579
Stock Number	72176
MLS Number	12827374
Category	Differentials, Rear
Last Updated	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

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	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2007 Eaton RSP40 Rear Differential for a Peterbilt 379

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL/3.36 RATIO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	PETERBILT
Fits To Model(s)	379
Stock Number	72829
MLS Number	12827677
Category	Differentials, Rear
Last Updated	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2004 Eaton RSP40 Rear Differential for a Peterbilt 379

$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)	379
Stock Number	73117
MLS Number	12827834
Category	Differentials, Rear
Last Updated	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2005 Eaton RSP40 Rear Differential for a Kenworth W900

$795 USD

USED EATON RSP40 REAR REAR DIFFERENTIAL /3.36 RATIO

Condition	Used
Fits To Make(s)	KENWORTH
Fits To Model(s)	W900
Stock Number	73184
MLS Number	12827868
Category	Differentials, Rear
Last Updated	9/9/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.