Get Financing141 - 168 of 307 Listings
Rent/LeaseAll
Condition: Used
Stock Number: 1254
Serial Number: 1WM14356
Description: (USED) 1997 Caterpillar 3126 Diesel Engine (40-PIN ECM CONNECTOR PLUGS) 1WM, 7.2L, 190HP @ 2200 RPM, Ar # 147-6087, Core AR # 120-8238, Perf Spec #...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Rebuilt
Stock Number: MOTOR
Description: REMAN CATERPILLAR CAT C7 3126 MOTOR
$13,500 PLUS CORE.
2 YEAR WARRANTY ON REMANUFACTURED ENGINES. REBUILT TO LIKE NEW, MANUFACTURER SPECS.
F...
Updated: Monday, October 26, 2026 01:34 PM
Location: Rensselaer, Indiana
Seller: Diesel Truck Parts
Condition: Used
Stock Number: 4260
Serial Number: 1BW02861
Description: (LOW MILES & TEST RUN & INTERNALLY INSPECTED) Caterpillar 3126 Diesel Engine For Sale, 350HP, AR# 130-1500, ECM SOFTWARE# 1608859, 40-PIN, PERF SPE...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 4257
Serial Number: 1BW02856
Description: (LOW MILES & TEST RUN & INTERNALLY INSPECTED) Caterpillar 3126 Diesel Engine For Sale, 350HP, AR# 130-1500, ECM SOFTWARE# 1608859, 40-PIN, PERF SPE...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 4428
Serial Number: 1BW03591
Description: (LIKE NEW & TEST RUN & INTERNALLY INSPECTED) Caterpillar 3126 Diesel Engine, 350HP, 1,716 MILES, 391 HOURS, 40-PIN, AR# 130-1500, ECM SOFTWARE# 160...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 119123
Serial Number: CKM00465
Description: CATERPILLAR DIESEL ENGINE 3126 7.2L 300HP
Updated: Monday, August 24, 2026 10:33 AM
Location: East Bernstadt, Kentucky
Seller: Visone RV
Condition: Used
Stock Number: 121008
Serial Number: HEP03470
Description: CATERPILLAR DIESEL ENGINE 3126 7.2L 330HP
Updated: Monday, August 24, 2026 10:33 AM
Location: East Bernstadt, Kentucky
Seller: Visone RV
Condition: Used
Stock Number: 113081
Description: CATERPILLAR DIESEL ENGINE 3126 7.2L 330HP
Updated: Monday, August 24, 2026 10:33 AM
Location: East Bernstadt, Kentucky
Seller: Visone RV
Condition: Used
Stock Number: 113081
Description: CATERPILLAR DIESEL ENGINE 3126 7.2L 330HP
Updated: Monday, August 24, 2026 10:33 AM
Location: East Bernstadt, Kentucky
Seller: Visone RV
Condition: Used
Stock Number: 119004
Serial Number: CKM39372
Description: CATERPILLAR DIESEL ENGINE 3126 7.2L 330HP . Click photo for more information.
Updated: Monday, August 24, 2026 10:33 AM
Location: East Bernstadt, Kentucky
Seller: Visone RV
Condition: Used
Stock Number: 4368
Serial Number: 1BW01808
Description: (LOW MILES & TEST RUN & INTERNALLY INSPECTED) Caterpillar 3126 Diesel Engine For Sale, 350HP, MILITARY, 40-PIN, AR# 130-1500, 19,018 MILES, 3,760 H...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 7284
Serial Number: 1BW02354
Description: (LOW MILES & TEST RUN & INTERNALLY INSPECTED) Caterpillar 3126 Diesel Engine For Sale, 350HP, AR# 130-1500, ECM SOFTWARE# 1608859, 40-PIN, PERF SPE...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 4358
Serial Number: 1BW04284
Description: (LOW MILES & TEST RUN & INTERNALLY INSPECTED) Caterpillar 3126 Diesel Engine For Sale, 350HP, AR# 130-1500, ECM SOFTWARE# 1608859, 40-PIN, PERF SPE...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Rebuilt
Stock Number: 1049893
Shipping Weight: 1,000 lb
Description: Remanufactured Caterpiller 3126 3 valve long block assembly. 2 Piece piston. 230HP & up. 1283883 front housing.
Includes NEW OEM spec parts:
*...
Updated: Monday, September 28, 2026 11:32 AM
Location: Fitchburg, Massachusetts
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: 120027
Serial Number: 7AS83711
Description: CATERPILLAR DIESEL ENGINE 3126 7.2L 300HP .
Updated: Monday, August 24, 2026 10:33 AM
Location: East Bernstadt, Kentucky
Seller: Visone RV
Condition: Used
Stock Number: 10112
Serial Number: CKM42298
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) Caterpillar 3126E Diesel Engine For Sale, 3126E CKM, 190HP @ 2300RPM, FREIGHTLINER, AR# 210-4196, 199...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Rebuilt
Stock Number: BBENG30
Weight: 1,250 lb
Description: Caterpillar 3126 Used Engine Includes:
Engine Block
Cylinder Head
Pistons
Connecting Rods
Camshaft and Lifters
Rockers
Crankshaft
Front C...
Updated: Thursday, October 15, 2026 10:44 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Condition: Rebuilt
Weight: 1,250 lb
Description: Caterpillar 3126 Used Engine Includes:
Engine Block
Cylinder Head
Pistons
Connecting Rods
Camshaft and Lifters
Rockers
Crankshaft
Front C...
Updated: Thursday, October 15, 2026 10:44 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Condition: Used
Stock Number: 2128
Serial Number: 7AS26272
Weight: 2,500 lb
Shipping Length: 44 in
Shipping Width: 44 in
Description: Product Specifications
Year Unknown
Category Engines
Manufacturer
Caterpillar
Model 3126
Condition Used
Stock Number 2128
MLS Number 13870...
Updated: Thursday, September 17, 2026 10:47 AM
Location: Miami, Florida
Seller: Hondcub Truck Parts
Condition: Rebuilt
Stock Number: LONG BLOCK
Description: REMAN CATERPILLAR CAT C7 3126 LONG BLOCK
$5,850 PLUS $1500 CORE.
2 YEAR WARRANTY ON REMANUFACTURED ENGINES. REBUILT TO LIKE NEW, MANUFACTURER S...
Updated: Monday, October 26, 2026 01:34 PM
Location: Rensselaer, Indiana
Seller: Diesel Truck Parts
Condition: Used
Stock Number: 1070926
Shipping Weight: 1,780 lb
Description: Good running Caterpillar 3126 engine assembly with air. 62,698 Miles. 42 PSI oil pressure. Damaged wiring harness. Dented oil pan. 120 Day guarante...
Updated: Monday, September 28, 2026 11:29 AM
Location: Fitchburg, Massachusetts
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: 1037990
Shipping Weight: 1,780 lb
Description: Good running Caterpillar 3126 350HP engine assembly with air compressor. Military surplus engine. 5,533 Hours. 40 Pin ECM. 50 PSI oil pressure. 120...
Updated: Monday, September 28, 2026 10:11 AM
Location: Fitchburg, Massachusetts
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Serial Number: 7AS42805
Description: Caterpillar 3126 246 hp Engine. Good running from 1999 Sterling S/A Truck.
Updated: Tuesday, October 20, 2026 07:14 AM
Location: Mosinee, Wisconsin
Condition: Rebuilt
Stock Number: SHORT BLOCK
Description: REMAN CATERPILLAR CAT C7 3126 SHORT BLOCK
$3,850 PLUS $1000 CORE.
2 YEAR WARRANTY ON REMANUFACTURED ENGINES. REBUILT TO LIKE NEW, MANUFACTURER ...
Updated: Monday, October 26, 2026 01:34 PM
Location: Rensselaer, Indiana
Seller: Diesel Truck Parts
Condition: Used
Stock Number: 36388
Description: USED CAT 3126 CRANKSHAFT - P/N: 222-3900
Updated: Wednesday, August 26, 2026 08:02 AM
Location: Crandall, Texas
Seller: Tim Jordan's Truck Parts, Inc
Quantity: 2
Condition: Used
Stock Number: Ryd 158-2236
Shipping Length: 20 in
Shipping Width: 8 in
Shipping Height: 8 in
Description: Good used, cleaned and inspected Caterpillar 3126 40 Pin wiring harness. Part number: 158-2236.
Updated: Monday, September 28, 2026 10:43 AM
Location: Fitchburg, Massachusetts
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: 44467
Description: USED CAT 3126 OIL FILTER BASE.
P/N: 4P8182
Updated: Wednesday, August 26, 2026 08:02 AM
Location: Crandall, Texas
Seller: Tim Jordan's Truck Parts, Inc
Condition: Used
Stock Number: 34301
Description: USED CAT 3126 ENGINE OIL FILTER HOUSING - P/N: 4P8182
Updated: Wednesday, August 26, 2026 08:02 AM
Location: Crandall, Texas
Seller: Tim Jordan's Truck Parts, Inc
