Saved
0
My Account
Sign in
Sign up
Control Center
Dashboard
Buyer Tools
Saved Listings
0
Compare Saved Listings
Saved Searches
0
My Little Salesman
Sign up
Saved
0
My Account
Sign in
Sign up
Control Center
Dashboard
Buyer Tools
Saved Listings
0
Compare Saved Listings
Saved Searches
0
Price Alerts
0
For Sale
Commercial Trucks
Trailers
Construction Equipment
Farm Equipment
Lifting Equipment
Logging Equipment
Heavy Duty Truck Parts
Heavy Equipment & Tractor Parts
Trailer Parts
Attachments
Aggregate & Mining Equipment
Biomass & Recycling Equipment
Woodworking & Sawmill Equipment
Industrial Equipment
Recreation & Utility Vehicles
Cars & SUVs
Lawn & Garden
Tools & Material
My Little Salesman Magazine
March 2025
For Rent
Commercial Trucks
Trailers
Construction Equipment
Logging Equipment
Farm Equipment
Lifting Equipment
Attachments
Aggregate & Mining Equipment
Biomass & Recycling Equipment
Industrial Equipment
Recreation & Utility Vehicles
Sell
Place an Online Listing
Individual listings are the perfect selling solution for individuals or dealers with 15 items or less.
Inventory Mover Package
The inventory selling solution for dealers, manufacturers, and auctioneers with 15+ items.
Print Advertising
Effective industry-trusted advertising, reliably delivered to your targeted buyer.
Online Banner Advertising
Effectively reach buyers in your market as they browse listings within a category or specific manufacturer.
Facebook Marketing
Beautiful campaigns with pinpointed audiences that drive traffic and boosts sales.
Wholesale Marketplace
Buy and sell inventory amongst other registered dealers at wholesale prices.
Services
Dealer Management System (DMS)
One powerful suite of tools to maximize your dealership.
Inventory Management
Easy-to-use cloud-based inventory management with export feeds and accessible from anywhere.
Customer Relationship Management (CRM)
Customers, vendors, prospects, and correspondence in one place, integrated with your inventory.
Lead Management
One dashboard that intelligently connects your inventory, contacts, and leads from all your marketing channels.
Invoicing & Sales Management
Effortlessly turn leads into deals with auto-populated quotes, invoices, and custom contract forms.
Dealership Websites
User-friendly, mobile-responsive, search-engine optimized websites for commercial truck, trailer, heavy equipment, and parts dealers.
Sell Your Inventory
The inventory selling solution to reach hundreds of thousands of buyers, with no contract or commitments.
Facebook Marketing
Beautiful campaigns with pinpointed audiences that drive traffic and boosts sales.
Wanted
Auctions
Financing
Industry
News
Latest Equipment News
Construction Equipment News
Farm Equipment News
Forestry Equipment News
Trucking News
Trailer News
Material Handling News
Drilling & Mining Equipment News
Companies
All Companies
Dealers
Manufacturers
Auctioneers
Transport Companies
Resources
Trade Shows & Events
Industry Services
Appraisals
Associations
Financing and Leasing (Heavy Equipment)
Financing and Leasing (Commercial Trucks)
Inspections
Insurance
Transportation and Shipping
All Guides & Advice
Buying Guides
Construction Equipment Buying Guide
Semi Truck Buying Guide
Backhoe Buying Guide
Dump Truck Buying Guide
Skid Steer Buying Guide
Excavator Buying Guide
Box Truck Buying Guide
Info
Subscription Center
Help Center
Contact Us
Virtual Demonstration
About Us
Testimonials
Our History
Fraud Prevention
Home
Listings
Truck Parts
Differentials, Rear
Eaton
RSP40
Eaton RSP40 Rear Differentials For Sale
Filter
4
Sort
Close
Default Ranking
Year: Newest First
Year: Oldest First
Price: High to Low
Price: Low to High
Distance: Nearest First
Manufacturer: A-Z
Manufacturer: Z-A
Model: A-Z
Model: Z-A
Hours: High to Low
Hours: Low to High
Mileage: High to Low
Mileage: Low to High
Date Added: Newest First
Date Added: Oldest First
Stock Number: A-Z
Stock Number: Z-A
Photos First
Close
Your Current Search
Industry
Truck Parts
Category
Differentials, Rear
Manufacturer
Eaton
Model
RSP40
Click the
to remove the filter.
Save Search
Email Alert
What's
Save Search and Email Alert
?
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Truck Parts
(447)
Category
Differentials, Rear
(447)
Manufacturer
Eaton
(447)
Model
RSP40
(447)
Condition
Used
(419)
Remanufactured
(28)
Model Year
-
Horsepower
-
Inspection Report
Yes
(0)
No
(447)
Warranty
Yes
(0)
No
(0)
Price
-
Country
United States
(444)
Canada
(3)
State / Region
Select a country to view available states.
Seller Type
(447)
Market Type
For Sale
(447)
Filter by Specs or Location
Condition
Used
419
Remanufactured
28
1-25 of 447 results
Sort by:
Default Ranking
Default Ranking
Distance: Nearest First
Year: Newest First
Year: Oldest First
Price: High to Low
Price: Low to High
Manufacturer: A-Z
Manufacturer: Z-A
Model: A-Z
Model: Z-A
Hours: High to Low
Hours: Low to High
Mileage: High to Low
Mileage: Low to High
Date Added: Newest First
Date Added: Oldest First
Stock Number: A-Z
Stock Number: Z-A
Photos First
1-25 of 447
results
4
0
2007 Eaton RSP40 Rear Differential for a Kenworth T600
Recently Updated
$360 USD
(USED) Eaton RSP40 Ratio: 3.25 Side Gear Splines: 41 W/ Locker: NO Cast#: 06306
Condition
Used
Fits To Make(s)
Kenworth
Fits To Model(s)
T600
Stock Number
25751155
MLS Number
13402331
Category
Differentials, Rear
Last Updated
2/28/2025
Location
Kansas City, MO, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2013 Eaton RSP40 Rear Differential for a Peterbilt 386
Newly Listed
$350 USD
(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 Cast#: -
Condition
Used
Fits To Make(s)
Peterbilt
Fits To Model(s)
386
Stock Number
25755215
MLS Number
13420569
Category
Differentials, Rear
Last Updated
2/27/2025
Location
Kansas City, MO, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
2011 Eaton RSP40 Rear Differential for a Kenworth T800
Newly Listed
$50 USD
RSP40 differential. Unknown ratio. will be inspected upon dismantle.
Condition
Used
Fits To Make(s)
KENWORTH
Fits To Model(s)
T800
Stock Number
12658
MLS Number
13418798
Category
Differentials, Rear
Last Updated
2/26/2025
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower, LLC
(833) 913-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
Eaton RSP40 Rear Differential
$250 USD
RSP40 - 3.42 Ratio - Core - Broken Pinion Shaft. Further Inspection Pending. P/N 515354, 681537, S/N HNO4383449. DIFF ONLY, HOUSING SOLD SEPARATELY., Axle Spline Count: 41, Serial#:...
Condition
Used
Rear End
3.42 ratio
Part Number
515354, 681537
Stock Number
4541341
MLS Number
13411602
Category
Differentials, Rear
Last Updated
2/26/2025
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
Eaton RSP40 Rear Differential
$375 USD
(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 MISSING YOKE NUT
Condition
Used
Stock Number
25670945
MLS Number
12972206
Category
Differentials, Rear
Last Updated
2/21/2025
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2015 Eaton RSP40 Rear Differential for a Peterbilt 567
$350 USD
(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: -
Condition
Used
Fits To Make(s)
Peterbilt
Fits To Model(s)
567
Stock Number
25723554
MLS Number
13296516
Category
Differentials, Rear
Last Updated
2/20/2025
Location
Kansas City, MO, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Eaton RSP40 Rear Differential
$1,295 USD
REBUILT RSP40 4.33 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE, Axle Spline Count: 41, Serial#: 14970, Core Charge: EXCHANGE, Ratio: 4.33
Condition
Remanufactured
Part Number
14970
Stock Number
14970
MLS Number
13405386
Category
Differentials, Rear
Last Updated
2/19/2025
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
6
0
2007 Eaton RSP40 Rear Differential for a Peterbilt 387
$350 USD
(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 23806
Condition
Used
Fits To Make(s)
Peterbilt
Fits To Model(s)
387
Stock Number
25740102
MLS Number
13331442
Category
Differentials, Rear
Last Updated
2/19/2025
Location
Spencer, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
2014 Eaton RSP40 Rear Differential for a Peterbilt 579
$350 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
25631083
MLS Number
12784640
Category
Differentials, Rear
Last Updated
2/13/2025
Location
Council Bluffs, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
2014 Eaton RSP40 Rear Differential for a Peterbilt 579
$395 USD
(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: -
Condition
Used
Fits To Make(s)
Peterbilt
Fits To Model(s)
579
Stock Number
25726786
MLS Number
13320741
Category
Differentials, Rear
Last Updated
2/13/2025
Location
Des Moines, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RSP40 Rear Differential
$1,300 USD
RSP40 - 3.36 Ratio - Rebuild in process, Axle Spline Count: 41, Serial#: ., Core Charge: 250, Ratio: 3.36
Condition
Remanufactured
Rear End
3.36 ratio
Stock Number
4541296-REB
MLS Number
13392057
Category
Differentials, Rear
Last Updated
2/13/2025
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2014 Eaton RSP40 Rear Differential for a Kenworth T660
$395 USD
(USED) Eaton RSP40 Ratio: 3.42 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY
Condition
Used
Fits To Make(s)
Kenworth
Fits To Model(s)
T660
Stock Number
25740346
MLS Number
13331406
Category
Differentials, Rear
Last Updated
2/9/2025
Location
Kansas City, MO, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2009 Eaton RSP40 Rear Differential for a Kenworth T660
$375 USD
(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: -
Condition
Used
Fits To Make(s)
Kenworth
Fits To Model(s)
T660
Stock Number
25741165
MLS Number
13349396
Category
Differentials, Rear
Last Updated
2/9/2025
Location
Des Moines, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
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#: VERIFY
Condition
Used
Fits To Make(s)
Kenworth
Fits To Model(s)
T680
Stock Number
25743113
MLS Number
13373611
Category
Differentials, Rear
Last Updated
2/9/2025
Location
Kansas City, MO, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
0
Eaton RSP40 Rear Differential
$1,295 USD
REBUILT RSP40 3.55 .12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 14977, Core Charge: EXCHANGE, Ratio: 3.55
Condition
Remanufactured
Part Number
14977
Stock Number
14977
MLS Number
13386872
Category
Differentials, Rear
Last Updated
2/8/2025
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2007 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
25709250
MLS Number
13210082
Category
Differentials, Rear
Last Updated
2/8/2025
Location
Council Bluffs, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2006 Eaton RSP40 Rear Differential for a Peterbilt 379
$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)
379
Stock Number
25369788
MLS Number
11840667
Category
Differentials, Rear
Last Updated
2/14/2025
Location
Council Bluffs, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
1997 Eaton RSP40 Rear Differential for a Peterbilt 379
$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)
379
Stock Number
25745835
MLS Number
13375555
Category
Differentials, Rear
Last Updated
2/1/2025
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2021 Eaton RSP40 Rear Differential for a Peterbilt 389
$495 USD
RSP40 3.08 Inspected Takeout from a non wrecked truck, engine was removed mileage not available. truck was in great condition Yoke SPL170, Side gears 41 Spline, Input 39 Spline
Condition
Used
Rear End
3.08 ratio
Fits To Make(s)
PETERBILT
Fits To Model(s)
389
Stock Number
12527
MLS Number
13371861
Category
Differentials, Rear
Last Updated
1/30/2025
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower, LLC
(833) 913-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Eaton RSP40 Rear Differential
$995 USD
3.08 ratio, Eaton/Spicer Rear differential,RSP40, OEM# C2-1A63BA3000000000
Condition
Used
Rear End
3.08 ratio
Stock Number
11260
MLS Number
13160124
Category
Differentials, Rear
Last Updated
1/30/2025
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower, LLC
(833) 913-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
2016 Eaton RSP40 Rear Differential for a Peterbilt 579
$995 USD
3.08 ratio, Eaton RSP40 3.08 ratio, takeout from a low mile, non-wrecked truck.
Condition
Used
Fits To Make(s)
PETERBILT
Fits To Model(s)
579
Stock Number
10802
MLS Number
13071026
Category
Differentials, Rear
Last Updated
1/30/2025
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower, LLC
(833) 913-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2013 Eaton RSP40 Rear Differential for a Kenworth T800
$350 USD
(USED) Eaton RSP40 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812
Condition
Used
Fits To Make(s)
Kenworth
Fits To Model(s)
T800
Stock Number
25740417
MLS Number
13371633
Category
Differentials, Rear
Last Updated
1/30/2025
Location
Sioux Falls, SD, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
2
0
Eaton RSP40 Rear Differential for a 2016 Kenworth T680
Call for price
RSP40, 3.42 Ratio, PULLOUT, DIFF ONLY, HOUSING SOLD SEPARATELY, Ratio: 3.42
Condition
Used
Rear End
3.42 ratio
Fits To Make(s)
Kenworth
Fits To Model(s)
T680
Will Fit Year(s)
2016
Stock Number
UPS-277242-3
MLS Number
13368903
Category
Differentials, Rear
Last Updated
1/29/2025
Location
Fresno, CA, US
Sold By
Garabedian Equipment
(855) 794-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
2007 Eaton RSP40 Rear Differential for a Peterbilt 387
$375 USD
(USED) Eaton RSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: 131812 Ref# NO TAG
Condition
Used
Fits To Make(s)
Peterbilt
Fits To Model(s)
387
Part Number
NO TAG
Stock Number
25423296
MLS Number
12204409
Category
Differentials, Rear
Last Updated
1/29/2025
Location
Des Moines, IA, US
Sold By
Vander Haag's Inc.
(855) 370-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
3
0
Eaton RSP40 Rear Differential for a 2005 Peterbilt 385
$595 USD
RSP40 3.55 GOOD INSPECTED TAKEOUT 90, Ratio: 3.55
Condition
Used
Rear End
3.55 ratio
Fits To Make(s)
Peterbilt
Fits To Model(s)
385
Will Fit Year(s)
2005
Stock Number
40616-4
MLS Number
9001826
Category
Differentials, Rear
Last Updated
1/24/2025
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___
SHOW
NUMBER
Call Seller
Email Seller
Save
More Info
1
2
3
4
5
Save Search
Email Alert
What's
Save Search and Email Alert
?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for?
Yes
No
What option below best describes your issue?
Choose an option...
I still cannot find what I am looking for.
How do I filter or sort my search?
Could you add a feature?
A picture or description looks incorrect.
Something is broken.
Thank you for the feedback! If you have any suggestions on how to improve our site, please let us know.
Send Feedback
Thank you for the feedback! Your suggestions and feedback immensely help us improve our site.
Got a rear differential to sell? In minutes, you can create an online listing for your rear differential and advertise it to thousands of buyers.
Start selling today
Search Saved
Your search criteria for
has been saved. Quickly jump to this search by going to
My Account
and
Saved Searches
.
Alert Created
Your new listings email alert for
has been created. To change the email frequency or to modify your alerts, click on
My Account
,
Personal Settings
, and
New Listing Alerts
.