Eaton RDP40 Rear Differentials For Sale

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Industry
Truck Parts

Top-Category
Axles & Differentials

Category
Differentials, Rear

Manufacturer
Eaton

Model
RDP40

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1 - 2 of 2 listings

Eaton RDP40 Rear Differential for a Peterbilt 388

2012 Eaton RDP40 Rear Differential for a Peterbilt 388

Newly Listed

$1,534 USD

(USED) Eaton RDP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: YES Cast#: - RDP40, 3.42R

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	388
Stock Number	25969862
MLS Number	14273609
Category	Differentials, Rear
Last Updated	3/29/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

Eaton RDP40 Rear Differential for a Kenworth T680

2014 Eaton RDP40 Rear Differential for a Kenworth T680

$1,534 USD

(USED) Eaton RDP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: YES

Condition	Used
Fits To Make(s)	Kenworth
Fits To Model(s)	T680
Stock Number	25758161
MLS Number	13442012
Category	Differentials, Rear
Last Updated	3/12/2025
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
NUMBERCall Seller

Vander Haag's Inc.

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