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Condition: Used
Stock Number: P-112434
Serial Number: 1XKWDB9X05J084904
Description: (Used) 2004 CATERPILLAR 3406E 2WS ENGINE ASSEMBLY- Horsepower: 550, Serial Numbers: 2WS28738, For more information about this item, give us a call....
Updated: Monday, August 03, 2026 07:16 AM
Location: Elkton, Maryland
Seller: Complete Recycling Group - Heavy Truck Parts
Condition: Used
Serial Number: 9WR02093
Description: GOOD RUNNING CAT 3406E ENGINE ASSEMBLY 475HP ESN#9WR02093 AR-4180
Updated: Friday, July 10, 2026 09:17 AM
Location: Houston, Texas
Seller: TTM Diesel LLC
Condition: Used
Stock Number: 32525-1
Serial Number: 1NKDLB9X7WR773717
Description: 3406E 475HP 6TS, LOOKS FRESH, RUNS GOOD NO BLOWBY, ROD AND MAIN BEARINGS LOOK GOOD, CAM AND TURBO LOOK OK, 180 DAY WARRANTY BLOCK HEAD CRANK
Milea...
Updated: Tuesday, September 01, 2026 11:12 AM
Location: Ucon, Idaho
Seller: Holst Truck Parts
Condition: Rebuilt
Stock Number: 1067695
Description: Remanufactured Caterpillar 3406E base long block assembly. Built to 550HP. 5EK Serial Number Prefix Application.
LONG BLOCK INCLUDES
Block, Hea...
Updated: Tuesday, September 08, 2026 10:23 PM
Location: Fitchburg, Massachusetts
Seller: Rydemore Heavy Duty Truck Parts
Condition: Used
Stock Number: 006938
Serial Number: 2WS42144
Description: (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1999 Caterpillar 3406E Diesel Engine (2WS), Serial # 2WS42144, AR # 178-1497, 500HP @ 2100RPM, Short Block...
Updated: Thursday, September 03, 2026 03:44 PM
Location: Hialeah, Florida
Seller: JJ Rebuilders
Condition: Used
Stock Number: 10326
Serial Number: 5EK83128
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1996 Caterpillar 3406E Diesel Engine For Sale, 475HP @ 1800RPM, (40-PIN) AR# 131-3673, AR CORE# 130-...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 81126-5
Serial Number: 1XPXD49X7CD161435
Description: 3406E 550HP 5EK, RUNS GOOD NO BLOWBY. COMPLETE CONVERSION WITH WIRING HARNESS. WILL INSPECT BEARINGS IN OUR GEAR SHOP, 180 DAY WARRANTY ON HEAD, BL...
Updated: Tuesday, September 01, 2026 06:18 AM
Location: Ucon, Idaho
Seller: Holst Truck Parts
Condition: Used
Stock Number: 006538
Serial Number: BET09755
Description: (INDUSTRIAL) 2004 Caterpillar 3406E Diesel Engine Tier 3, Family #: 4CPXL14.6ESK, Serial # BET09755, AR # 235-4688, 593HP @ 2100RPM, Displacement: ...
Updated: Wednesday, June 24, 2026 12:46 PM
Location: Hialeah, Florida
Seller: JJ Rebuilders
Condition: Used
Stock Number: 51126-6
Serial Number: 1XP5D49X73D808858
Description: CAT 3406E, #5EK81839, 475HP, WILL TEST RUN AND CHECK BEARINGS IN OUR ENGINE SHOP, 180 DAY WARRANTY ON HEAD BLOCK AND CRANK. NOTES
Mileage: UNKNOWN
Updated: Tuesday, September 01, 2026 11:12 AM
Location: Ucon, Idaho
Seller: Holst Truck Parts
Condition: Used
Stock Number: 1807
Serial Number: 6NZ
Shipping Length: 44 in
Shipping Width: 44 in
Shipping Height: 44 in
Description: 2001 Caterpillar 3406E Engine
Engine Brake Yes
Turbo Yes
Additional Details
Includes Warranty Yes
GOOD RUNNING ENGINE. CORE EXCHANGE NEEDED
Updated: Monday, July 27, 2026 12:26 PM
Location: Miami, Florida
Seller: Hondcub Truck Parts
Condition: Used
Stock Number: Many include 180 day
Description: We carry a large quantity of used & rebuilt truck engine assemblies.
Many include 180 day parts & labor warranty. Call Vander Haag's Inc. today!
...
Updated: Wednesday, September 09, 2026 01:26 PM
Location: Spencer, Iowa
Seller: Vander Haag's Incorporated
Condition: Used
Stock Number: 2184
Serial Number: 2WS***
Weight: 3,500 lb
Shipping Length: 44 in
Shipping Width: 44 in
Description: USED CAT 3406E Engine 550HP | Serial 2WS | 1999-2000 | Heavy Duty Diesel Motor TESTED, WARRANTY
Updated: Monday, July 27, 2026 12:26 PM
Location: Miami, Florida
Seller: Hondcub Truck Parts
Condition: Used
Stock Number: 006539
Serial Number: 9AP01342
Description: (INDUSTRIAL) 2000 Caterpillar 3406E Industrial Diesel Engine, Tier 3, Family #: YCPXL14.6ERK, 660HP @ 1800 RPM, Torque: 2500 @1200RPM, AR # 143-302...
Updated: Wednesday, June 24, 2026 12:46 PM
Location: Hialeah, Florida
Seller: JJ Rebuilders
Condition: Used
Stock Number: 1009LB
Serial Number: YOUR SPECS
Description: 2WS, 5EK, ILW, 6TS, ALL 3406E BASIC LONG BLOCK REMANUFACTURED ENGINES SOLD EXCHANGE WITH ONE YEAR OR 2,000 HRS (WHICHEVER OCCURS FIRST), FACTORY...
Updated: Friday, September 04, 2026 03:17 PM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Used
Serial Number: 2WS05308
Description: 500k miles good running 3406E
Updated: Thursday, August 20, 2026 08:52 AM
Location: Tampa, Florida
Seller: Ben Truck Parts
Condition: Used
Stock Number: 763-1007198 - SN:2WS
Serial Number: 763-1007198 - SN:2WS03536
Description: USED 3406E CATERPILLAR ENGINE WITH JAKE BRAKE (ENGINE BRAKE) 70 PINS ECM COMPUTER, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Description: 6 Cylinders, Turbo, 470 HP
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Rebuilt
Stock Number: 2031
Serial Number: 1LW***
Shipping Length: 44 in
Shipping Width: 44 in
Shipping Height: 60 in
Description: REBUILT ENGINE
Updated: Monday, July 27, 2026 12:26 PM
Location: Miami, Florida
Seller: Hondcub Truck Parts
Condition: Used
Stock Number: 5335
Serial Number: 2WS06856
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1999 Caterpillar 3406E Diesel Engine with Jake Brakes, AR# 170-7799, 70-PIN, 475HP @ 2100RPM, 226,044...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 9862
Serial Number: 2WS11550
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1999 Caterpillar 3406E Diesel Engine with Jake Brake For Sale, 70-PIN,AR# 171-8353, Freightliner, 475...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 7331
Serial Number: 2WS38455
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1999 Caterpillar 3406E Diesel Engine with Jake Brakes, CONVERTED ENGINE, SINGLE TURBO, Serial# 2WS384...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: S1107
Serial Number: 2WS14337
Description: 1999 CAT 3406E used diesel engine for sale . 475 HP , tested and inspected, new bearings, with warranty. Call or visit our website for more info
Updated: Monday, June 22, 2026 08:52 AM
Location: Taylor, Pennsylvania
Seller: Nationwide Heavy Truck Parts
Condition: Used
Stock Number: 1013
Serial Number: 1LW*****
Description: 6 months warranty
Updated: Monday, July 27, 2026 12:26 PM
Location: Miami, Florida
Seller: Hondcub Truck Parts
Condition: Used
Stock Number: 1141
Serial Number: 6TS16792
Shipping Weight: 3,500 lb
Description: 1998 Caterpillar 3406E Engine
Engine Brake Yes
Turbo Yes
Additional Details
Includes Warranty Yes
CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE ...
Updated: Monday, July 27, 2026 12:26 PM
Location: Miami, Florida
Seller: Hondcub Truck Parts
Condition: Used
Stock Number: 2017
Serial Number: 1LW*****
Description: 90 days warranty
Updated: Monday, July 27, 2026 12:26 PM
Location: Miami, Florida
Seller: Hondcub Truck Parts
Condition: Used
Stock Number: 9024
Serial Number: 1LW151111
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1998 Caterpillar 3406E Diesel Engine with Jake Brakes For Sale, 550HP, AR# 1553365, 1LW, 40-PIN, 14.6...
Updated: Wednesday, August 12, 2026 10:22 AM
Location: Opa-Locka, Florida
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: S1204
Serial Number: 1LW30269
Description: 1998 CAT 3406E used diesel engine for sale . 435 HP , tested and inspected with 120 day warranty. Call or visit our website for more info.
Updated: Monday, June 22, 2026 08:52 AM
Location: Taylor, Pennsylvania
Seller: Nationwide Heavy Truck Parts
Condition: Used
Stock Number: S1139
Serial Number: 1LW20657
Description: 1998 CAT 3406E used diesel engine for sale . 435 HP , tested and inspected with warranty. Call or visit our website for more info..
Updated: Monday, June 22, 2026 08:52 AM
Location: Taylor, Pennsylvania
Seller: Nationwide Heavy Truck Parts
