Rockwell RR 40-145 Axles & Differentials For Sale

Shop used Rockwell RR 40-145 Axles & Differentials on MyLittleSalesman.com . Compare active listings with prices from $750 to $750. Sellers include American Truck Parts. Filter by condition, price, or year to find the Rockwell RR 40-145 that fits your job.

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Truck Parts

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Axles & Differentials

Manufacturer
Rockwell

Model
RR 40-145

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Differentials, Rear For Sale

Differentials, Rear

1 - 8 of 8 listings

Rockwell RR 40-145 Rear Differential for a Sterling ACTERRA

2003 Rockwell RR 40-145 Rear Differential for a Sterling ACTERRA

$750 USD

RR 20-145 ROCKWELL REAR REAR 3.90 RATIO

Condition	Used
Rear End	3.90 ratio
Fits To Make(s)	STERLING
Fits To Model(s)	ACTERRA
Stock Number	28437
MLS Number	14431106
Category	Differentials, Rear
Last Updated	6/17/2026
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Rockwell RR 40-145 Rear Differential for a Western Star 4900EX

2016 Rockwell RR 40-145 Rear Differential for a Western Star 4900EX

$750 USD

GOOD TAKE PUT REAR 3.42 RATIO

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	WESTERN STAR
Fits To Model(s)	4900EX
Stock Number	28198
MLS Number	13824195
Category	Differentials, Rear
Last Updated	12/19/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Rockwell RR 40-145 Rear Differential for a Mack CX600

2010 Rockwell RR 40-145 Rear Differential for a Mack CX600

$750 USD

GTO

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	MACK
Fits To Model(s)	CX600
Stock Number	22606
MLS Number	10534312
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Rockwell RR 40-145 Rear Differential for a Volvo VNL

2001 Rockwell RR 40-145 Rear Differential for a Volvo VNL

$750 USD

Condition	Used
Rear End	3.73 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	22167
MLS Number	10534252
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Rockwell RR 40-145 Rear Differential for a Volvo VNL

2008 Rockwell RR 40-145 Rear Differential for a Volvo VNL

$750 USD

GTO

Condition	Used
Rear End	3.36 ratio
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	22080
MLS Number	10534242
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Rockwell RR 40-145 Rear Differential for a International PROSTAR

2011 Rockwell RR 40-145 Rear Differential for a International PROSTAR

$750 USD

GTO

Condition	Used
Rear End	3.58 ratio
Fits To Make(s)	INTERNATIONAL
Fits To Model(s)	PROSTAR
Stock Number	20662
MLS Number	10533981
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Rockwell RR 40-145 Rear Differential for a Freightliner COLUMBIA

2003 Rockwell RR 40-145 Rear Differential for a Freightliner COLUMBIA

$750 USD

GTO

Condition	Used
Rear End	3.42 ratio
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	COLUMBIA
Stock Number	18516
MLS Number	10533636
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

Rockwell RR 40-145 Rear Differential

Rockwell RR 40-145 Rear Differential

$750 USD

GTO

Condition	Used
Rear End	3.68 ratio
Stock Number	17546
MLS Number	10533506
Category	Differentials, Rear
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

(877) 254-___ SHOW
NUMBERCall Seller

American Truck Parts, Inc.

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