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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: Thursday, March 19, 2026 10:55 am
Location: Miami, Florida, USA
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: Thursday, March 19, 2026 10:55 am
Location: Miami, Florida, USA
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: Thursday, March 19, 2026 10:55 am
Location: Miami, Florida, USA
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 624807-1
Description: ENGINE RAN 6/24/19
Updated: Tuesday, March 17, 2026 09:22 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
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: Thursday, March 19, 2026 10:55 am
Location: Miami, Florida, USA
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 296078-14
Description: good holding coolant
Updated: Tuesday, March 17, 2026 09:22 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 296078-16
Description: .
Updated: Tuesday, March 17, 2026 09:22 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 550026-13
Description: GOOD.
Updated: Tuesday, March 17, 2026 09:22 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
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, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 99184
Serial Number: 1XP5DB9X9KD276600
Description: Used Caterpillar 3406B Engine Assy 4MG22973
Coreprice: 4500
Updated: Wednesday, March 04, 2026 03:45 pm
Location: Crandall, Texas, USA
Seller: Tim Jordan's Truck Parts, Inc
Condition: Used
Stock Number: 17853
Serial Number: 4MG71898
Description: Part suitable for: Standard tractor
VAT: The price shown is excluding VAT
VAT/margin: VAT qualifying
1989 Caterpillar 3406B diesel engine, 425 HP,...
Updated: Tuesday, May 19, 2026 09:15 am
Location: Carbondale, Pennsylvania, USA
Seller: Old Forge Power Equipment 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, May 04, 2026 12:18 pm
Location: Taylor, Pennsylvania, USA
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, USA
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: Thursday, March 19, 2026 10:55 am
Location: Miami, Florida, USA
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 361191-1
Description: Ran 3/17/16
Updated: Tuesday, March 17, 2026 09:22 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 925902-1
Description: -
Updated: Tuesday, March 17, 2026 09:22 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 537351-1
Description: - - Part Make: Caterpillar core engine
Updated: Tuesday, March 17, 2026 09:22 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 52A1E34103
Description: GOOD USED,QUALITY A
Updated: Tuesday, May 19, 2026 03:06 pm
Location: Sainte-Julie, Quebec, Canada
Seller: Lussicam
Condition: Used
Stock Number: 80922-1
Serial Number: 1FUK2SYA7JP339111
Description: CORE ENGINE ASSEMBLY, Ok for parts. Injection pump Turbo, Engine,
Updated: Thursday, April 16, 2026 11:41 am
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
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, USA
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: Thursday, March 19, 2026 10:55 am
Location: Miami, Florida, USA
Seller: 4 Trucks Enterprises LLC
Condition: Core
Stock Number: 348949-1
Description: Core
Updated: Tuesday, March 17, 2026 09:22 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
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, USA
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, USA
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, USA
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, May 04, 2026 12:18 pm
Location: Taylor, Pennsylvania, USA
Seller: Nationwide Heavy Truck Parts
Condition: Used
Stock Number: 1A1E44845
Description: USED, QUALITY C
Updated: Tuesday, May 19, 2026 03:06 pm
Location: Sainte-Julie, Quebec, Canada
Seller: Lussicam
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, USA
Seller: CA Truck Parts, Inc