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Condition: Used
Stock Number: 838-10141913 - SN:4M
Serial Number: 838-10141913 - SN:4MG65037*
Description: USED 3406B CATERPILLAR ENGINE WITH 400 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK. - FOR PRICE AND SHIPPING CONT...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 792-1010192 - SN:4MG
Serial Number: 792-1010192 - SN:4MG10282
Description: USED 3406B CATERPILLAR ENGINE,WITH 400 HP, ENGINE BRAKE, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE,ALSO MANY ENGINES IN STOCK. - FOR PRICE AND ...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 934-10251919 - SN:7F
Serial Number: 934-10251919 - SN:7FB32105
Description: USED 3406B CATERPILLAR ENGINE WITH 310 HP, AFTERCOOLER, COMPLETE,INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK. - FOR PRICE AND S...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 2362
Serial Number: 4MG88679
Description: (GOOD USED) 1990 Caterpillar 3406B Diesel Engine For Sale, 425HP @ 2000RPM, MECHANICAL FUEL PUMP, AR# 7E2044, 14.6L Displacement, 6 Cylinders, Engi...
Updated: Tuesday, May 19, 2026 12:00 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 8157-1030254
Serial Number: 8157-1030254
Description: USED 1.990 CATERPILLAR 3406B MANUAL FUEL PUMP ENGINE, 425HP, JAKE BRAKE, AIR TO AIR, STOCK:1030254; ESN:5KJ01529, COMPLETE, INSPECTED AND TESTED RU...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 6935-0516242
Serial Number: 6935-0516242
Description: USED 1.990 CATERPILLAR 3406B AIR TO AIR ENGINE, 425HP, JAKE BRAKE, ESN:4MG87221, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES I...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 984-10291918 - SN:8T
Serial Number: 984-10291918 - SN:8TC12622
Description: USED 3406B PEEC CATERPILLAR SEMI ELECTRONIC ENGINE, 350 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK. - FOR PRICE ...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 973-1029197 - SN:5KJ
Serial Number: 973-1029197 - SN:5KJ03934*
Description: USED 3406B CATERPILLAR ENGINE WITH 350 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK. - FOR PRICE AND SHIPPING CONT...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 762-1007197 - SN:4MG
Serial Number: 762-1007197 - SN:4MG45450
Description: USED 3406B CATERPILLAR MECHANICAL ENGINE WITH 425 HP, JAKE BRAKE(ENGINE BRAKE) COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN ...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 10250
Serial Number: 4MG50707
Description: 1989 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, AIR TO AIR, Mechanical Fuel Pump, AR# 9Y-2558, 4MG50707, Ford Application, 425HP @ ...
Updated: Tuesday, June 02, 2026 03:44 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 7624
Serial Number: 4MG30229
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1989 Caterpillar 3406 Diesel Engine with JAKE Brakes, 425HP @ 2100RPM, MECHANICAL FUEL PUMP, 3406B, 1...
Updated: Monday, May 18, 2026 03:38 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: S1233
Serial Number: S1233
Description: 1989 CAT 3406B Used diesel engine for sale .425 HP. Tested and inspected with 120 day warranty . Call or visit our website for more information.
Updated: Monday, June 22, 2026 08:52 AM
Location: Taylor, Pennsylvania
Seller: Nationwide Heavy Truck Parts
Condition: Used
Stock Number: 1148
Serial Number: 4MG75934
Description: (USED) 1989 Caterpillar 3406B DI Engine 425HP @ 2100 RPM with JAKE BRAKES, AR # 7E1864, Engine Family KCT0893FPB1, Engine Code F, Serial # 4MG75934...
Updated: Tuesday, May 19, 2026 11:21 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 780-1009193 - SN:4MG
Serial Number: 780-1009193 - SN:4MG48150
Description: USED 3406B CATERPILLAR ENGINE WITH 350 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK - FOR PRICE AND SHIPPING CONT...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 3502
Serial Number: 4MG24396
Description: (GOOD USED) 1988 Caterpillar 3406B Diesel Engine with Jake Brakes, 425HP, MECHANICAL, 14.6L, 6 Cylinders, AR# 9Y2311, Engine Serial# 4MG24396, Sto...
Updated: Monday, May 18, 2026 03:38 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 933-10251918 - SN:8T
Serial Number: 933-10251918 - SN:8TC03957
Description: USED 3406B PEAK CATERPILLAR ENGINE WITH 400HP,JAKE BRAKE(ENGINE BRAKE), COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK. ...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 7798
Serial Number: 4MG02198
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1987 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, (AIR TO AIR) MECHANICAL FUEL PUMP, 34...
Updated: Monday, May 18, 2026 03:38 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 1877
Serial Number: 4MG01718
Description: (GOOD USED) 1987 Caterpillar 3406B Diesel Engine with Jakes Brakes For Sale, MECHANICAL Fuel Pump, Rated 425HP @ 2100 RPM, AR# 7C0177, 14.6L, Engin...
Updated: Tuesday, May 19, 2026 11:47 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 3940
Serial Number: 4MG19790
Description: (GOOD USED) 1987 Caterpillar 3406B Diesel Engine with Jake Brakes (AIR TO AIR) Mechanical Fuel Pump, AR # 7C0745, 425HP @ 2100RPM, 14.6L, 6 Cylinde...
Updated: Monday, May 18, 2026 03:38 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: S706
Serial Number: 3406B
Description: 1986 CAT 3406 B used diesel engine for sale. 425 HP. Tested and inspected with warranty. Call or visit our website for more info!
Updated: Monday, June 22, 2026 08:51 AM
Location: Taylor, Pennsylvania
Seller: Nationwide Heavy Truck Parts
Condition: Used
Stock Number: 1287
Serial Number: 7FB43547
Description: (GOOD USED) 1985 Caterpillar 3406B Diesel Engine Mechanical Fuel Pump (WATERCOOLED) AR # 4W3713, RATED 400HP @ 2100 RPM, Volvo White Truck Applicat...
Updated: Tuesday, May 19, 2026 11:28 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 4199-1028218
Serial Number: 4199-1028218
Description: USED 3406B CATERPILLAR MECHANICAL FUEL PUMP ENGINE, 400HP, AFTERCOOLER ON TOP OF ENGINE, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY E...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 1070-1113193 - SN:7F
Serial Number: 1070-1113193 - SN:7FB07976
Description: USED 3406B CATERPILLAR MECHANICAL ENGINE WITH JAKE BRAKE, AFTERCOOLER, 400HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN S...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 9863
Serial Number: 7FB08568
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1984 Caterpillar 3406B Diesel Engine For Sale with Jake Brakes, Engine Serial# 7FB08568, AIR TO AIR) ...
Updated: Monday, May 18, 2026 03:38 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 1659
Serial Number: 7FB07976
Description: (GOOD USED) 1984 Caterpillar 3406B Diesel Engine with Jakes Brakes For Sale, Mechanical Fuel Pump (WATERCOOLED), Rated 400HP @ 2100 RPM, AR# 4W3713...
Updated: Tuesday, May 19, 2026 11:42 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 750-10041915 - SN:7F
Serial Number: 750-10041915 - SN:7FB24054*
Description: USED 3406B AFTER-COOLER CATERPILLAR ENGINE WITH 350 HP, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE.ALSO MANY ENGINES IN STOCK. - FOR PRICE AND S...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Rebuilt
Stock Number: MOTOR
Description: REMAN CAT 3406B 3406 B MOTOR
$22,500, plus core exchange.
2 YEAR WARRANTY on remanufactured engines. Rebuilt to like new, manufacturer specs....
Updated: Monday, July 13, 2026 03:25 PM
Location: Rensselaer, Indiana
Seller: Diesel Truck Parts
Condition: Used
Stock Number: 6102
Serial Number: 4MG53073
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) Caterpillar 3406B Diesel Engine For Sale, 425HP @ 2100 RPM, MECHANICAL FUEL PUMP, 6 Cylinders, 14.6L...
Updated: Monday, May 18, 2026 03:38 PM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
