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Caterpillar 3126 Engines For Sale

Shop new and used Caterpillar 3126 Engines on MyLittleSalesman.com . Compare active listings with prices from $250 to $23,000. Sellers include Machinery and Truck Parts, River Valley Truck Parts, Diesel Sales, and more. Filter by condition, price, or year to find the Caterpillar 3126 Engine that fits your job.
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Showing 1 - 25 of 457 Engine Listings

1 - 25 of 457 listings
1 - 25 of 457 listings
Featured Item
1996 1997 Caterpillar 3126 Diesel Engine 40-Pin Electronic 1WM12911

1996 1997 Caterpillar 3126 Diesel Engine 40-Pin Electronic 1WM12911

$4,999.99 USD
(GOOD RUNNER) CAT 1997 CATERPILLAR 40-PIN 3126 DIESEL ENGINE FOR SALE, ESN: 1WM12911, ENGINE RUNS GREAT AND INCLUDES A WARRANTY, CALL FOR MORE INFORMATION OR VISIT US ONLINE AT MACHINERY AND...
ConditionUsed
CPL/ARRCat 3126 Diesel Engine
Assembly Number3126 Diesel Engine
Engine Model3126 40-Pin 1997 Diesel Engine
Fits To EquipmentCaterpillar 3126 Diesel Engine 40-Pin 1WM
Fits To Make(s)Caterpillar 3126 Diesel Engine
Fits To Model(s)3126 Diesel Engine
Will Fit Year(s)1996 1997
Part NumberCat 3126 Diesel Engine 40-Pin 1WM
Stock Number218878
MLS Number13686872
CategoryEngines
Last Updated2/2/2026
Location
Rockwood, TN, US
Sold By
Machinery and Truck Parts
(844) 835-___  SHOW
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Machinery and Truck Parts
Featured Item
Caterpillar 3126 Engine for a 2003 GMC C7500

Caterpillar 3126 Engine for a 2003 GMC C7500

$4,000 USD
Good runnning 2003 Caterpillar 3126, Serial#: HEP37129, Core Charge: N/A, Horse Power: 210, Casting#: N/A
ConditionUsed
Horse Power210 HP
Fits To Make(s)GMC
Fits To Model(s)C7500
Will Fit Year(s)2003
Part Number250643-1
Stock Number250643-1
MLS Number14030259
CategoryEngines
Last Updated1/30/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Featured Item
Caterpillar 3126 Engine for a 2000 GMC T7500

Caterpillar 3126 Engine for a 2000 GMC T7500

$3,500 USD
Good used running Caterpillar 3126 engine from a 2000 GMC T750 truck. The engine has been visually inspected and is in good condition. The engine has an ECM attached. The mileage is 269,949....
ConditionUsed
Horse Power142 HP
Fits To Make(s)GMC
Fits To Model(s)T7500
Will Fit Year(s)2000
Part Number240688-1
Stock Number240688-1
MLS Number13333225
CategoryEngines
Last Updated1/30/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Caterpillar 3126E Engine for a 2002 Freightliner FL-80

Caterpillar 3126E Engine for a 2002 Freightliner FL-80

Recently Updated
$10,900 USD
GOOD RUNNER,QUALITY A+, Serial#: CKM13418, Core Charge: 0, Horse Power: 250 HP @ 2200 RPM, ARR/CPL: 201-6477 / 7.2 L
ConditionUsed
CPL/ARR201-6477 / 7.2 L
Fits To Make(s)FREIGHTLINER
Fits To Model(s)FL-80
Will Fit Year(s)2002
Stock Number1A1E56531
MLS Number13684762
CategoryEngines
Last Updated2/3/2026
Location
Ste-Julie, QC, Canada
Sold By
Camions Lussier-Lussicam inc.
(844) 503-___  SHOW
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Camions Lussier-Lussicam inc.
1997 Caterpillar 3126B Diesel Engine - 210 HP

1999 1997 Caterpillar 3126B Diesel Engine - 210 HP

Recently Updated
$3,500 USD
GOOD USED 1999 CATERPILLAR 3126B 210HP DIESEL TAKEOUT ENGINE FOR SALE at ADELMAN’S TRUCK PARTS in CANTON, OHIO. COMPLETE and RUN TESTED, 140,453 MILES SHOWING ON ECM, 210 HP @ 2400 RPM, 7.2...
ConditionUsed
Horse Power210 HP
Part Number3126B
Stock Number3126-7AS76794
MLS Number14097521
CategoryEngines
Last Updated2/2/2026
Location
Canton, OH, US
Sold By
Adelmans Truck Parts
(844) 382-___  SHOW
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Adelmans Truck Parts
Caterpillar 3126 Engine for a 2003 Chevrolet C7500

Caterpillar 3126 Engine for a 2003 Chevrolet C7500

Newly Listed
Contact for price
(Used) 2002 Caterpillar 3126, ENGINE ASSEMBLY- Family Number: 2CPXH0442HBX, Displacement: 7.2L, Horsepower: 190, Ar.No./CPL: 206-8351, Serial Number: CKM65145, Part Number: 15081059, E.C.S:...
ConditionUsed
CPL/ARR206-8351
Horse Power190 HP
Fits To Make(s)Chevrolet
Fits To Model(s)C7500
Will Fit Year(s)2003
Part Number15081059
Stock NumberP-495526
MLS Number14118732
CategoryEngines
Last Updated2/3/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar 3126 Engine Core

Caterpillar 3126 Engine Core

Newly Listed
Contact for price
(Core) Engine Does Turn 360 Degrees Complete, 2003 Caterpillar 3126, ENGINE ASSEMBLY- Family Number: 3CPXH0442HBK, Displacement: 7.2L, Horsepower: 330 Serial Number: HEP34013, ECS: EM, DI,...
ConditionUsed
Horse Power330 HP
Stock NumberP-495287
MLS Number14113965
CategoryEngine Cores
Last Updated1/28/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar 3126 Engine

Caterpillar 3126 Engine

$6,500 USD
Good running Caterpillar 3126 350HP engine assembly with air compressor. Military surplus engine. 40 Pin ECM. 5,533 Hours. 50 PSI oil pressure. 120 day guarantee.
ConditionUsed
Horse Power350 HP
Fits To Make(s)CATERPILLAR
Fits To Model(s)3126
Stock Number1037990
MLS Number12155562
CategoryEngines
Last Updated1/24/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
1998 CAT 3126B Diesel Engine AR # 154-1102 300 HP

1998 CAT 3126B Diesel Engine AR # 154-1102 300 HP

$5,795 USD
1998 Caterpillar 3126 diesel engine, 70 pin ECM, HEUI fuel system, turbocharged, air to air intercooled, arrangement # 154-1102 (1541102,) Freightliner truck applications, 300 HP at 2200 RPM...
ConditionUsed
Stock Number18433
MLS Number14084202
CategoryEngines
Last Updated1/12/2026
Location
Carbondale, PA, US
Sold By
Old Forge Power Equipment, Inc
(833) 662-___  SHOW
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Old Forge Power Equipment, Inc
Caterpillar 3126 Engine Core

Caterpillar 3126 Engine Core

Contact for price
(Core) Engine does not turn 360 degrees Complete, 2001 Caterpillar 3126, ENGINE ASSEMBLY- Family Number: 1CPXH0442HBX, Horsepower: 330 Displacement: 7.2L Serial Number: CKM13125, ECS-EM, DI,...
ConditionUsed
Horse Power330 HP
Stock NumberP-493598
MLS Number14081720
CategoryEngine Cores
Last Updated1/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar 3126 Engine for a 2000 Sterling L8500

Caterpillar 3126 Engine for a 2000 Sterling L8500

$3,950 USD
(Used) 1999 Caterpillar 3126, ENGINE ASSEMBLY- Displacement: 7.2L, Horsepower: 300, Serial Number: 8YL16945, For more information about this item, give us a call. We ship Worldwide! (CRG...
ConditionUsed
Horse Power300 HP
Fits To Make(s)Sterling
Fits To Model(s)L8500
Will Fit Year(s)2000
Stock NumberP-79630
MLS Number12852346
CategoryEngines
Last Updated1/9/2026
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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