Eaton RDH40 Axles & Differentials For Sale

Shop used Eaton RDH40 Axles & Differentials on MyLittleSalesman.com . Compare active listings with prices from $850 to $1,051. Sellers include Vander Haag's, Rocky Mountain Truck Parts, Spalding Truck Parts, and more. Filter by condition, price, or year to find the Eaton RDH40 that fits your job.

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Truck Parts

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Axles & Differentials

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Eaton

Model
RDH40

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Differentials, Rear For Sale

Differentials, Rear

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Axle Housings, Rear

1 - 5 of 5 listings

Eaton RDH40 Rear Axle Housing for a Peterbilt 386

2014 Eaton RDH40 Rear Axle Housing for a Peterbilt 386

$850 USD

(USED) Eaton RDH40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: PETE NEW LOW AIR LEAF Track Width : 73 RUSTY

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	386
Stock Number	25799430
MLS Number	13597532
Category	Axle Housings, Rear
Last Updated	5/30/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RDH40 Rear Differential for a 2013 Kenworth T800

Eaton RDH40 Rear Differential for a 2013 Kenworth T800

Contact for price

MILES 268345, Ratio: 370

Condition	Used
Rear End	3.70 ratio
Fits To Make(s)	Kenworth
Fits To Model(s)	T800
Will Fit Year(s)	2013
Stock Number	400240-5
MLS Number	14368537
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

(855) 980-___ SHOW
NUMBERCall Seller

Rocky Mountain Truck Parts

Eaton RDH40 Rear Differential

Eaton RDH40 Rear Differential

$1,050.68 USD

3.55 Ratio Locker 41 Spline

Condition	Used
Fits To Make(s)	Eaton
Fits To Model(s)	RDH40
Stock Number	R11898392
MLS Number	13582944
Category	Differentials, Rear
Last Updated	5/15/2025
Location	Spokane Valley, WA, US
Sold By	Spalding Truck Parts

(833) 432-___ SHOW
NUMBERCall Seller

Spalding Truck Parts

Eaton RDH40 Rear Axle Housing for a Freightliner Columbia 120

2005 Eaton RDH40 Rear Axle Housing for a Freightliner Columbia 120

$850 USD

(USED) Eaton RDH40 Brake Type: AIR DRUM Wheel Type: PILOT Suspension: AIRLINER Track Width : 72

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	COLUMBIA 120
Stock Number	25760290
MLS Number	13430152
Category	Axle Housings, Rear
Last Updated	3/6/2025
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RDH40 Rear Differential

Eaton RDH40 Rear Differential

Contact for price

RDH40 WITH LOCKER RATIO:3.55, Ratio: 3.55

Condition	Used
Rear End	3.55 ratio
Stock Number	ATC1802
MLS Number	11355865
Category	Differentials, Rear
Last Updated	5/14/2026
Location	Alma, AR, US
Sold By	Arkansas Truck Center

(833) 371-___ SHOW
NUMBERCall Seller

Arkansas Truck Center

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