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Caterpillar 3126 Engines For Sale

Shop new, used, and remanufactured Caterpillar 3126 Engines on MyLittleSalesman.com . Compare active listings with prices from $700 to $23,000. Sellers include River Valley Truck Parts, Machinery and Truck Parts, LKQ Heavy Truck, 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 445 Engine Listings

1 - 25 of 445 listings
1 - 25 of 445 listings
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 Updated2/19/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
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 Updated2/27/2026
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, ARR/CPL: 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 Updated2/12/2026
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 1999 Chevrolet T6500

Caterpillar 3126 Engine for a 1999 Chevrolet T6500

$3,500 USD
Good used running Caterpillar 3126 engine. The mileage is 197,342., Serial#: 7AS52519, Core Charge: 0.0, Horse Power: 175, ARR/CPL: N/A
ConditionUsed
Horse Power175 HP
Fits To Make(s)Chevrolet
Fits To Model(s)T6500
Will Fit Year(s)1999
Part Number240699-1
Stock Number240699-1
MLS Number13333233
CategoryEngines
Last Updated2/16/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Caterpillar 3126 Engine

Caterpillar 3126 Engine

Price Drop $5,500 USD
Good running Caterpillar 3126 350HP engine assembly with air compressor. Military surplus engine. 5,533 Hours. 40 Pin ECM. 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 Updated2/25/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Used, Caterpillar 3126B, 210HP, 70Pin, ARR:188-6616, Quick Start, Smooth Idle,

2000 Used, Caterpillar 3126B, 210HP, 70Pin, ARR:188-6616, Quick Start, Smooth Idle,

Newly Listed
$5,499 USD
Used, Caterpillar 3126B, 210HP, 70Pin, ARR:188-6616, Quick Start, Smooth Idle, ECM Miles: 118,704, ESN:8YL50009, Core Charge: 1000.00, Horse Power: 210, ARR/CPL: 188-6616
ConditionUsed
CPL/ARR188-6616
Horse Power210 HP
Fits To Make(s)STERLING
Fits To Model(s)L7500 SERIES
Will Fit Year(s)2000
Stock Number544093
MLS Number14159461
CategoryEngines
Last Updated2/24/2026
Location
Phoenix, AZ, US
Sold By
American Truck Sales & Salvage
(844) 882-___  SHOW
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American Truck Sales & Salvage
2001 CAT 3126E Diesel Engine 250 HP AR # 212-1628

2001 CAT 3126E Diesel Engine 250 HP AR # 212-1628

Newly Listed
$5,995 USD
2001 Caterpillar 3126E diesel engine, turbocharged, air to air aftercooled, arrangement # 212-1628 (2121628,) 250 HP at 2100 RPM rating, originally built for Freightliner truck applications...
ConditionUsed
Stock Number18521
MLS Number14158667
CategoryEngines
Last Updated2/23/2026
Location
Carbondale, PA, US
Sold By
Old Forge Power Equipment, Inc
(833) 662-___  SHOW
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Old Forge Power Equipment, Inc
2007 CAT 3126B Diesel Engine 938G II Loader AR # 298-6581

2007 CAT 3126B Diesel Engine 938G II Loader AR # 298-6581

Newly Listed
$10,795 USD
2007 Caterpillar 3126B diesel engine, turbocharged, air to air aftercooled, arrangement # 298-6581 (2986581,) complete as pictured as removed from a CAT 938G wheel loader. TEST RAN CLEAN,...
ConditionUsed
Stock Number18515
MLS Number14158233
CategoryEngines
Last Updated2/22/2026
Location
Carbondale, PA, US
Sold By
Old Forge Power Equipment, Inc
(833) 662-___  SHOW
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Old Forge Power Equipment, Inc
1997 Caterpillar 3126B Diesel Engine - 210 HP

1999 1997 Caterpillar 3126B Diesel Engine - 210 HP

$3,950 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 Updated2/19/2026
Location
Canton, OH, US
Sold By
Adelmans Truck Parts
(844) 382-___  SHOW
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Adelmans Truck Parts
Caterpillar 3126B Diesel Engine - 190 HP

2000 Caterpillar 3126B Diesel Engine - 190 HP

$3,750 USD
GOOD USED 2000 CATERPILLAR 3126B 190HP DIESEL TAKEOUT ENGINE FOR SALE at ADELMAN’S in OHIO. COMPLETE and RUN TESTED, 190 HP @ 2300 RPM, ELECTRONIC with 70 PIN ECM, CPXH0442H FAMILY #, ...
ConditionUsed
Horse Power190 HP
Stock Number3126-8YL54485
MLS Number13852481
CategoryEngines
Last Updated2/19/2026
Location
Canton, OH, US
Sold By
Adelmans Truck Parts
(844) 382-___  SHOW
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Adelmans Truck Parts
Caterpillar 3126E Diesel Engine - 210 HP

2001 Caterpillar 3126E Diesel Engine - 210 HP

$3,950 USD
GOOD USED 2001 CATERPILLAR 3126E 210HP DIESEL TAKEOUT ENGINE FOR SALE at ADELMAN’S in OHIO. COMPLETE and RUN TESTED, 210 HP @ 2200 RPM, ELECTRONIC with 70 PIN ECM, 204-2237 ARRANGEMENT #,...
ConditionUsed
CPL/ARR204-2237
Horse Power210 HP
Part Number3126E
Stock Number3126-CKM23984
MLS Number13637487
CategoryEngines
Last Updated2/19/2026
Location
Canton, OH, US
Sold By
Adelmans Truck Parts
(844) 382-___  SHOW
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Caterpillar 3126 Engine for a 2003 Blue Bird All American/All Canadian

Caterpillar 3126 Engine for a 2003 Blue Bird All American/All Canadian

Contact for price
(Used) 2002 Caterpillar 3126, ENGINE ASSEMBLY- Family Number: 2CPXH0442HBK, Displacement: 7.2L, Horsepower: 330, Serial Number: CKM57079, E.C.S: EM, DI, TC, ECM, CAC, CAT, Reference images...
ConditionUsed
Horse Power330 HP
Fits To Make(s)Blue Bird
Fits To Model(s)All American/All Canadian
Will Fit Year(s)2003
Stock NumberP-497485
MLS Number14149125
CategoryEngines
Last Updated2/18/2026
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 2003 Blue Bird All American/All Canadian

Caterpillar 3126 Engine for a 2003 Blue Bird All American/All Canadian

Contact for price
(Used) 2002 Caterpillar 3126, ENGINE ASSEMBLY- Family Number: 2CPXH0442HBK, Displacement: 7.2L, Horsepower: 246, Serial Number: CKM58974, E.C.S: EM, DI, TC, ECM, CAC, CAT, Reference images...
ConditionUsed
Horse Power246 HP
Fits To Make(s)Blue Bird
Fits To Model(s)All American/All Canadian
Will Fit Year(s)2003
Stock NumberP-497418
MLS Number14147248
CategoryEngines
Last Updated2/17/2026
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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