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Used Eaton Rear Differentials For Sale in Washington by Dealerships

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Differentials, Rear (125)
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Eaton (125)
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Showing 1 - 25 of 125 Rear Differential Listings

1 - 25 of 125 listings
1 - 25 of 125 listings
Eaton RDH40 Rear Differential for a Kenworth T880

2023 Eaton RDH40 Rear Differential for a Kenworth T880

Recently Updated
$1,495 USD
RDH40 3.70 LOCKER Inspected Takeout +$650 Core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines,
ConditionUsed
Rear End3.70 ratio
Fits To Make(s)KENWORTH
Fits To Model(s)T880
Stock Number16250
MLS Number14092627
CategoryDifferentials, Rear
Last Updated2/13/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
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High Mountain Horsepower
Eaton RDP41-4.11 Rear Differential for a Kenworth T400

2016 Eaton RDP41-4.11 Rear Differential for a Kenworth T400

Recently Updated
$1,500 USD
RDP41 4.11 LOCKER Inspected Take Out + $1200 Core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, Locker
ConditionUsed
Rear End4.11 ratio
Fits To Make(s)KENWORTH
Fits To Model(s)T400
Stock Number16070
MLS Number14030192
CategoryDifferentials, Rear
Last Updated2/13/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
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High Mountain Horsepower
Eaton R170-4.30 Rear Differential for a Peterbilt 335

2010 Eaton R170-4.30 Rear Differential for a Peterbilt 335

Newly Listed
$1,795 USD
R170 4.30 Inspected Takeout +$750 Core, 46K Capacity, Yoke: 1760, Side Gear: 46 Splines, Input: 46 Splines, Non-Locker
ConditionUsed
Rear End4.30 ratio
Fits To Make(s)PETERBILT
Fits To Model(s)335
Stock Number16550
MLS Number14139702
CategoryDifferentials, Rear
Last Updated2/13/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
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High Mountain Horsepower
Eaton RDH40 Rear Differential for a Kenworth T880

2016 Eaton RDH40 Rear Differential for a Kenworth T880

Recently Updated
$1,495 USD
RDH40 3.70 LOCKER Inspected Takeout +$650 core, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines
ConditionUsed
Rear End3.70 ratio
Fits To Make(s)KENWORTH
Fits To Model(s)T880
Stock Number14737
MLS Number13780952
CategoryDifferentials, Rear
Last Updated2/12/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
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High Mountain Horsepower
Eaton RSH40-3.25 Rear Differential for a Kenworth T880

2018 Eaton RSH40-3.25 Rear Differential for a Kenworth T880

Recently Updated
$899 USD
RSH40 3.25 Inspected Takeout +$250 Core, Yoke: SPL 170, Side Gear: 41 Spline, Input: 39 Spline, Non locker
ConditionUsed
Rear End3.25 ratio
Fits To Make(s)KENWORTH
Fits To Model(s)T880
Stock Number14601
MLS Number13755066
CategoryDifferentials, Rear
Last Updated2/12/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
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High Mountain Horsepower
Eaton RS404-3.36 Rear Differential for a Kenworth T680

2015 Eaton RS404-3.36 Rear Differential for a Kenworth T680

Price Drop $899.95 USD
RS404 3.36 Inspected takeout +$250 CORE, Yoke 1710 Open, Side gears 41 Spline, Input 39 Spline, Non Locker
ConditionUsed
Rear End3.36 ratio
Fits To Make(s)KENWORTH
Fits To Model(s)T680
Stock Number12545
MLS Number13376959
CategoryDifferentials, Rear
Last Updated2/12/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
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High Mountain Horsepower
Eaton Rear Differential for a International 9400I

2001 Eaton Rear Differential for a International 9400I

Recently Updated
$649.95 USD
Eaton RS404 3.55 Inspected Takeout +$Core 150, Capacity: 110K, Ratio: 3.55, Yoke: SPL170, Side Gear: 41 Splines, Input: 39 Splines, Non-Locker
ConditionUsed
Fits To Make(s)INTERNATIONAL
Fits To Model(s)9400I
Stock Number12330
MLS Number13864320
CategoryDifferentials, Rear
Last Updated2/12/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
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High Mountain Horsepower
Eaton rsh40-3.90 Rear Differential for a Kenworth T800

2010 Eaton rsh40-3.90 Rear Differential for a Kenworth T800

$899 USD
RSH40 3.90 Inspected takeout +$150 core exchange *must be like for like*, Yoke; 1710, Side gear; 41 Spline, Input shaft; 39 Spline
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)KENWORTH
Fits To Model(s)T800
Stock Number15303
MLS Number13861021
CategoryDifferentials, Rear
Last Updated1/31/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
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High Mountain Horsepower
Eaton RSP40-3.70 Rear Differential for a Kenworth T800

2006 Eaton RSP40-3.70 Rear Differential for a Kenworth T800

$899 USD
RSP40 3.70 Takeout +$150 Core, Rear rear differential drop-in / gears pulled from a 2006 Kenworth T800 (non-wrecked) P/N F8PTP514/0, 511330, spec - 0731131, serial HN01918604 ....
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T800
Stock Number4932
MLS Number12300847
CategoryDifferentials, Rear
Last Updated1/28/2026
Location
Spokane Valley, WA, US
Sold By
High Mountain Horsepower
(833) 913-___  SHOW
NUMBERCall Seller
Email Seller
Save
High Mountain Horsepower
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