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Meritor-Rockwell RT40-145 Axles & Differentials For Sale

Browse Meritor-Rockwell RT40-145 Axles & Differentials on MyLittleSalesman.com and compare listings with prices from $66 to $2,796. Sellers include Holst Truck Parts, Badger Truck Parts Ltd, CRG Heavy Truck Parts, and more. Filter by condition, price, or year to quickly narrow down to the right Meritor-Rockwell RT40-145.
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   Axle Assemblies, Front (6)    Axle Assemblies, Rear (25)    Axle Housings, Front (2)    Axle Housings, Rear (47)    Differential Misc. Parts (1)    Differentials, Front (56)    Differentials, Rear (52)
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Showing 1 - 25 of 189 Listings

1 - 25 of 189 listings
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Meritor-Rockwell RT40-145 Front Differential for a 1994 Peterbilt 379

Meritor-Rockwell RT40-145 Front Differential for a 1994 Peterbilt 379

Recently Updated
$1,095 USD
RT40-145 USED TAKEOUT 3.91 RATIO, WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY, Ratio: 3.91
ConditionUsed
Rear End3.91 ratio
Fits To Make(s)Peterbilt
Fits To Model(s)379
Will Fit Year(s)1994
Stock Number21526-2
MLS Number14161306
CategoryDifferentials, Front
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Meritor-Rockwell RT40-145 Rear Differential for a 2004 Sterling A9500

Meritor-Rockwell RT40-145 Rear Differential for a 2004 Sterling A9500

Recently Updated
$795 USD
40-145 3.90 GOOD INSPECTED TAKEOUT, 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 250, Ratio: 3.9
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Sterling
Fits To Model(s)A9500
Will Fit Year(s)2004
Part Number20-145
Stock Number50624-4
MLS Number12871373
CategoryDifferentials, Rear
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Meritor-Rockwell RT40-145 Front Differential for a 2004 Sterling A9500

Meritor-Rockwell RT40-145 Front Differential for a 2004 Sterling A9500

Recently Updated
$1,095 USD
40-145 3.90 GOOD INSPECTED TAKEOUT, 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Serial#: NA, Core Charge: 350, Ratio: 3.9
ConditionUsed
Fits To Make(s)Sterling
Fits To Model(s)A9500
Will Fit Year(s)2004
Part NumberNA
Stock Number50624-3
MLS Number12871370
CategoryDifferentials, Front
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Meritor-Rockwell RT40-145 Rear Differential for a 2010 Volvo VNL

Meritor-Rockwell RT40-145 Rear Differential for a 2010 Volvo VNL

Recently Updated
$495 USD
GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY ON PARTS, Axle Spline Count: N/A, Serial#: N/A, Core Charge: N/A, Ratio: 3.58
ConditionUsed
Fits To Make(s)Volvo
Fits To Model(s)VNL
Will Fit Year(s)2010
Stock Number102617-16
MLS Number9288474
CategoryDifferentials, Rear
Last Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
Meritor-Rockwell RT40-145 Rear Differential for a 2011 Freightliner Cascadia 125

Meritor-Rockwell RT40-145 Rear Differential for a 2011 Freightliner Cascadia 125

Recently Updated
Contact for price
2011 FRTLR CASCADIA MERITOR RT40-145 REAR DIFF, LOCKER, 3.90 RATIO, 40000 LBS, Serial#: NA, Ratio: 3.9, Casting#: NA
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2011
Stock Number3835-FRTLR-5
MLS Number13536572
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor-Rockwell RT40-145 Rear Differential for a 2011 Western Star 4900 FA

Meritor-Rockwell RT40-145 Rear Differential for a 2011 Western Star 4900 FA

Recently Updated
Contact for price
2011 WS 4900FA MERITOR RT40-145 REAR REAR, 3.90 RATIO, LOCKS, 40000 LBS, Serial#: NA, Ratio: 3.9, Casting#: NA
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Western Star
Fits To Model(s)4900 FA
Will Fit Year(s)2011
Stock Number3821-WS-5
MLS Number13453980
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor-Rockwell RT40-145 Front Axle Assembly for a 2001 Freightliner FC70

Meritor-Rockwell RT40-145 Front Axle Assembly for a 2001 Freightliner FC70

Recently Updated
Contact for price
2001 FRTLR FC70 MERITOR FDS765NX STEER AXLE, 2 LEAF, ABS, DRUM BRAKE, 12000 LBS, Serial#: NA, Hub Bolts: 10, Ratio: 4.33, Suspension: AIRLINER
ConditionUsed
Rear End4.33 ratio
Fits To Make(s)Freightliner
Fits To Model(s)FC70
Will Fit Year(s)2001
Stock Number3793-FRTLR-5
MLS Number13348743
CategoryAxle Assemblies, Front
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor-Rockwell RT40-145 Rear Differential for a 2001 Freightliner FC70

Meritor-Rockwell RT40-145 Rear Differential for a 2001 Freightliner FC70

Recently Updated
Contact for price
2001 FRTLR FC70 ROCKWELL RT40-145, 4.33 RATIO, NO LOCK, 20000 LBS, Serial#: NA, Ratio: 4.33, Casting#: NA
ConditionUsed
Rear End4.33 ratio
Fits To Make(s)Freightliner
Fits To Model(s)FC70
Will Fit Year(s)2001
Stock Number3793-FRTLR-4
MLS Number13348742
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor-Rockwell RT40-145 Rear Differential for a 2009 Sterling L7500

Meritor-Rockwell RT40-145 Rear Differential for a 2009 Sterling L7500

Recently Updated
Contact for price
2009 FORD STERLING L7500 MERITOR RT40-145, 6.17 RATIO HD AIRLINER SUSPENSION, ALL LOCKS, 40000 LBS, Ratio: 6.17, Casting#: NA
ConditionUsed
Rear End6.17 ratio
Fits To Make(s)Sterling
Fits To Model(s)L7500
Will Fit Year(s)2009
Stock Number3787-FORD-4
MLS Number13348681
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor-Rockwell RT40-145 Rear Differential for a 2005 Freightliner Columbia 120

Meritor-Rockwell RT40-145 Rear Differential for a 2005 Freightliner Columbia 120

Recently Updated
Contact for price
2005 FRTLR COLUMBIA ROCKWELL RT40-145, 3.90 RATIO, REAR LOCK ONLY, 40000 LBS, Serial#: NA, Ratio: 3.9, Casting#: NA
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Columbia 120
Will Fit Year(s)2005
Stock Number3752-FRTLR-4
MLS Number13348279
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor-Rockwell RT40-145 Rear Differential for a 2005 Sterling A9500

Meritor-Rockwell RT40-145 Rear Differential for a 2005 Sterling A9500

Recently Updated
Contact for price
2005 STERLING A9500 ROCKWELL RT40-145, 2.93 RATIO, FRONT AND REAR LOCKS, 44000 LBS, Serial#: NA, Ratio: 2.93, Casting#: NA
ConditionUsed
Rear End2.93 ratio
Fits To Make(s)Sterling
Fits To Model(s)A9500
Will Fit Year(s)2005
Stock Number3714-STERLING-3
MLS Number13348255
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor-Rockwell RT40-145 Rear Differential for a 2005 International 9900I

Meritor-Rockwell RT40-145 Rear Differential for a 2005 International 9900I

Recently Updated
Contact for price
2005 IHC 9900I MERITOR RT40-145 3.90 RATIO REAR LOCK ONLY 40000 LBS, Ratio: 3.9
ConditionUsed
Rear End3.90 ratio
Fits To Make(s)International
Fits To Model(s)9900I
Will Fit Year(s)2005
Stock Number3516-IHC-4
MLS Number13346166
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
STURGEON COUNTY, AB, Canada
Sold By
Badger Truck Parts Ltd.
(855) 624-___  SHOW
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Badger Truck Parts Ltd.
Meritor-Rockwell RT40-145 Front Differential for a 2017 Western Star 5700

Meritor-Rockwell RT40-145 Front Differential for a 2017 Western Star 5700

$2,795.97 USD
(Used) 2017 Western Star 5700, COMPLETE FRONT REAR TANDEM- Part Number: S11-19633-342, Serial Number: FOR03892506, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000 Lbs, Hub...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Western Star
Fits To Model(s)5700
Will Fit Year(s)2017
Part NumberS11-19633-342
Stock NumberP-70530
MLS Number12590312
CategoryDifferentials, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Rear Axle Assembly for a 2017 Western Star 5700

Meritor-Rockwell RT40-145 Rear Axle Assembly for a 2017 Western Star 5700

$2,795.97 USD
(Used) 2017 Western Star 5700, COMPLETE REAR REAR TANDEM- Part Number: S11-19633-342, Serial Number: FOR03892507, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000 Lbs, Hub...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Western Star
Fits To Model(s)5700
Will Fit Year(s)2017
Part NumberS11-19633-342
Stock NumberP-70542
MLS Number12590324
CategoryAxle Assemblies, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Rear Axle Assembly for a 2002 Sterling M8500 Acterra

Meritor-Rockwell RT40-145 Rear Axle Assembly for a 2002 Sterling M8500 Acterra

$1,467.30 USD
Meritor Rockwell RR20-145 Rear Rear Differential 6.83 Ratio For Sale - Full Locker - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship...
ConditionUsed
Rear End6.83 ratio
Fits To Make(s)Sterling
Fits To Model(s)M8500 Acterra
Will Fit Year(s)2002
Stock NumberST-0816-26
MLS Number12633799
CategoryAxle Assemblies, Rear
Last Updated5/14/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
Meritor-Rockwell RT40-145 Rear Axle Housing for a 2007 Mack CXN613

Meritor-Rockwell RT40-145 Rear Axle Housing for a 2007 Mack CXN613

$1,199.97 USD
(Used) 2007 Mack CXN613, REAR DIFFERENTIAL HOUSING ONLY- Make: Meritor, Model: RT40-145, Ratio: 3.37, Capacity: 20,000 Lbs, For more information about this item, give us a call.We ship...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)CXN613
Will Fit Year(s)2007
Stock NumberP-40838
MLS Number11906697
CategoryAxle Housings, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Rear Differential for a 2015 Freightliner Cascadia 125

Meritor-Rockwell RT40-145 Rear Differential for a 2015 Freightliner Cascadia 125

$994.98 USD
(Used) 2015 Freightliner Cascadia 125, REAR DIFFERENTIAL GEARS ONLY- Part Number: S11-16051-342, Serial Number: DRA14173303, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity: 20,000...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Cascadia 125
Will Fit Year(s)2015
Part NumberS11-16051-342
Stock NumberP-66038
MLS Number12482120
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Front Differential for a 2017 Western Star 5700

Meritor-Rockwell RT40-145 Front Differential for a 2017 Western Star 5700

$994.98 USD
(Used) 2017 Western Star 5700, FRONT DIFFERENTIAL GEARS ONLY- REMANUFACTURED- Part Number: S11-19633-342, Serial Number: FOR03892506, Make: Meritor, Model: RT40-145, Ratio: 3.42, Capacity:...
ConditionUsed
Rear End3.42 ratio
Fits To Make(s)Western Star
Fits To Model(s)5700
Will Fit Year(s)2017
Part NumberS11-19633-342
Stock NumberP-70535
MLS Number12590317
CategoryDifferentials, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Rear Differential for a 2000 Sterling L9500

Meritor-Rockwell RT40-145 Rear Differential for a 2000 Sterling L9500

$994.98 USD
(Used) 2000 Sterling L9500, REAR DIFFERENTIAL GEARS ONLY- Part Number: S11-22354-586, Serial Number: AVA00057704, Make: Meritor, Model: RT40-145, Ratio: 5.86, Capacity: 20,000 Lbs, For...
ConditionUsed
Rear End5.86 ratio
Fits To Make(s)Sterling
Fits To Model(s)L9500
Will Fit Year(s)2000
Part NumberS11-22354-586
Stock NumberP-84026
MLS Number12975334
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Rear Differential for a 2006 Freightliner Columbia 112

Meritor-Rockwell RT40-145 Rear Differential for a 2006 Freightliner Columbia 112

$994.98 USD
(Used) 2006 Freightliner Columbia 112, REAR DIFFERENTIAL GEARS ONLY- Part Number: S11-15831-358, Serial Number: AVA05254672, Make: Meritor, Model: RT40-145, Ratio: 3.58, Capacity: 20,000...
ConditionUsed
Rear End3.58 ratio
Fits To Make(s)Freightliner
Fits To Model(s)Columbia 112
Will Fit Year(s)2006
Part NumberS11-15831-358
Stock NumberP-91507
MLS Number13213697
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Front Differential for a 2012 American La France CONDOR

Meritor-Rockwell RT40-145 Front Differential for a 2012 American La France CONDOR

$994.98 USD
(Used) 2012 American La France Condor, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: RT40-145, Ratio: TBD, Capacity: 20,000 Lbs, Reference images for condition For more...
ConditionUsed
Fits To Make(s)American La France
Fits To Model(s)CONDOR
Will Fit Year(s)2012
Stock NumberP-101710
MLS Number13565931
CategoryDifferentials, Front
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
Meritor-Rockwell RT40-145 Rear Differential for a 2012 American La France CONDOR

Meritor-Rockwell RT40-145 Rear Differential for a 2012 American La France CONDOR

$994.98 USD
(Used) 2012 American La France Condor, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: RT40-145, Ratio: TBD, Capacity: 20,000 Lbs, Reference images for condition For more...
ConditionUsed
Fits To Make(s)American La France
Fits To Model(s)CONDOR
Will Fit Year(s)2012
Stock NumberP-101715
MLS Number13565939
CategoryDifferentials, Rear
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
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