Featured Item View 5 Photos View 0 Videos 2021 Caterpillar 3406E Engine $36,000 USD Engine Rebuilding 2020 Caterpillar 3406E, Hp:550 S#2WS CORE EXCHANGE NEEDED Warranty ConditionRemanufacturedPart Number9007640Weight3500Stock Number2035 MLS Number11079751CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406E Engine Recently Updated $16,995 USD 2WS, 5EK, ILW, 6TS, ALL 3406E BASIC LONG BLOCK REMANUFACTURED ENGINES STARTING AT $14,895.00, SOLD EXCHANGE WITH ONE YEAR OR 2,000 HRS (WHICHEVER OCCURS FIRST), FACTORY PARTS LABOR WARRANTY... ConditionRemanufacturedStock Number69826 MLS Number13504565CategoryEngines Last Updated9/30/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3406E Engine Recently Updated $16,995 USD 2WS, 5EK, ILW, 6TS, ALL 3406E BASIC LONG BLOCK REMANUFACTURED ENGINES STARTING AT $14,895.00, SOLD EXCHANGE WITH ONE YEAR OR 2,000 HRS (WHICHEVER OCCURS FIRST), FACTORY PARTS LABOR WARRANTY... ConditionRemanufacturedStock Number7154 MLS Number13354228CategoryEngines Last Updated9/30/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar 3406C Engine Recently Updated $29,995 USD PREMIUM REMANUFACTURED CATERPILLAR 3406C COMPLETE DIESEL ENGINE STARTING AT $29,995.00 EXCHANGE WITH ONE YEAR OR 2,000 hrs. whichever occurs first, Limited Parts Labor WARRANTY. Plus $6,000... Quantity2ConditionRemanufacturedStock Number16256 MLS Number13354084CategoryEngines Last Updated9/30/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Caterpillar 3406E Engine for a 1995 Kenworth T800 Newly Listed $20,995 USD 3406E 435HP 5EK, RUNS GOOD NO BLOWBY, WILL INSPECT BEARINGS IN OUR ENGINE SHOP. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK., Serial#: 5EK37417, Horse Power: 435, ARR/CPL: N/A, Casting#: NA ConditionUsedHorse Power435 HPFits To Make(s)KenworthFits To Model(s)T800Will Fit Year(s)1995Stock Number90426-3 MLS Number14625883CategoryEngines Last Updated9/25/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 1998 Caterpillar 3406E Engine for a Peterbilt 379 Recently Updated $13,500 USD RAN GREAT COMES WITH ECM AND TURBO 40 PIN ECM WE HAVE RUN VIDEO ConditionUsedHorse Power475 HPFits To Make(s)PETERBILTFits To Model(s)379Stock Number9819 MLS Number12227292CategoryEngines Last Updated9/26/2026 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 8 Photos View 0 Videos 1998 Caterpillar 3406E Engine Recently Updated $12,500 USD REBUILT SEE PICTURES ConditionUsedStock Number12714 MLS Number14476648CategoryEngines Last Updated9/26/2026 LocationMorrisville, NY, US Sold ByDutcher's Inc. (844) 641-___ SHOWNUMBERCall Seller Save More Info
View 15 Photos View 1 Video 1996 Caterpillar 3406E Engine, 5EK Recently Updated $16,500 USD (GOOD USED TEST RUN INTERNALLY INSPECTED) 1994 Caterpillar 3406E Diesel Engine For Sale, 475HP @ 1800RPM, (40-PIN) AR# 110-9669, AR CORE# 109-8784 FREIGHTLINER, 14.6L, Engine Serial#... ConditionUsedCPL/ARR110-9669Part Number3406EStock Number10326 MLS Number14468975CategoryEngines Last Updated9/24/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos 2006 CAT 3406C Diesel Engine 460 HP POWER UNIT $19,995 USD 2006 Caterpillar 3406C diesel engine, turbocharged, water jacket aftercooled, arrangement # 130-4571 (1304571,) 440/460 HP at 2000/2100 RPM rating, fully mechanical fuel system, showing 2639... ConditionUsedStock Number19188 MLS Number14617182CategoryEngines Last Updated9/22/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos 1981 CAT 3406A Diesel Engine 325 HP $7,295 USD 1981 Caterpillar 3406A diesel engine, turbocharged, 325 HP rating, fully mechanical fuel system, 92U prefix, injection pump group # 5N-5995 (5N5995,) truck applications, family # 11A. GOOD... ConditionUsedStock Number16619 MLS Number14617140CategoryEngines Last Updated9/22/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 1999 CAT 3406C Diesel Engine 350 HP FULL MECHANICAL $11,795 USD 1999 Caterpillar 3406C diesel engine, turbocharged, air to air intercooled, arrangement # 171-8526 (1718526,) 350 HP at 1800 RPM, Jacobs engine brake (JAKE BRAKES,) EPA family # XCPXH0893MRW... ConditionUsedStock Number15797 MLS Number14617098CategoryEngines Last Updated9/22/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 1982 CAT 3406A Diesel Engine w/ JAKE BRAKES $5,595 USD 1982 Caterpillar 3406-A diesel engine, turbocharged, mechanical fuel system, on-road truck application, EPA family # CCT0893EPA7, 325 HP rating at 2100 RPM, with Jacobs engine brakes,... ConditionUsedStock Number17163 MLS Number14617077CategoryEngines Last Updated9/22/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos CAT 3406B Diesel Engine AR # 4W3797 400 HP INDUSTRIAL $19,995 USD Caterpillar 3406B diesel engine, turbocharged, aftercooled, arrangement # 4W-3797 (4W3797,) 400 RPM at 2100 RPM continuous power rating, fully mechanical fuel system, fresh rebuild, test run... ConditionUsedStock Number18967 MLS Number14411871CategoryEngines Last Updated9/23/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Caterpillar 3406E Engine for a 2012 Peterbilt 389 $26,995 USD 3406E 550HP 5EK, RUNS GOOD NO BLOWBY. COMPLETE CONVERSION WITH WIRING HARNESS. WILL INSPECT BEARINGS IN OUR GEAR SHOP, 180 DAY WARRANTY ON HEAD, BLOCK, AND CRANK., Serial#: 5EK, Horse Power:... ConditionUsedHorse Power550 HPFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2012Part NumberGETStock Number81126-5 MLS Number14573383CategoryEngines Last Updated9/22/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Caterpillar 3406E Motor $18,500 USD CAT 3406E (2WS) 550hp, Pre ELD, Pre Emission, Complete from Fan to Clutch, Motor is still in truck and can be heard running, 175,000 Miles on CAT Overhaul 4-10-2023,, Runs Excellent, No... ConditionUsedUsage175,000 MilesHorse Power550 HP MLS Number14607034CategoryEngines Last Updated9/16/2026 LocationAlbany, OR, US Sold ByWinger Truck & Equipment Sales (541) 981-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406 Engine for a 1987 Freightliner FLC $9,995 USD CAT 3406B 310HP CHECK HP MAX RATE. ESN#7FB93770, RUNS GOOD NO BLOWBY, WILL CHECK BEARINGS IN OUR ENGINE SHOP, 180 DAY WARRANTY ON HEAD, BLOCK, AND CRANK., Serial#: 7FB93770, Horse Power: 310... ConditionUsedHorse Power310 HPFits To Make(s)FreightlinerFits To Model(s)FLCWill Fit Year(s)1987Part NumberNAStock Number90826-3 MLS Number14605929CategoryEngines Last Updated9/17/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 1 Video Caterpillar 3406E Engine for a 1998 Kenworth W900 Contact for price CAT 3406E 475HP, 5EK RUNS GOOD BUT LOTS OF BLOWBY,NOTES, Serial#: 5EK34092, Horse Power: 475 ConditionUsedHorse Power475 HPFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)1998Stock Number82626-3 MLS Number14591921CategoryEngines Last Updated9/10/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 1980 Caterpillar 3406 Engine $13,968.83 USD Online Owner's Manual, ConditionUsedUsage999,999 Hours MLS Number14587699CategoryEngines Last Updated9/5/2026 LocationKamloops, BC, Canada Sold ByFinning Canada (844) 311-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 1981 Caterpillar 3406 Engine $13,968.83 USD Online Owner's Manual, ConditionUsedUsage99,999 Hours MLS Number14587697CategoryEngines Last Updated9/5/2026 LocationKamloops, BC, Canada Sold ByFinning Canada (844) 311-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Caterpillar 3406E Engine $17,500 USD Remanufactured Caterpillar 3406E base long block assembly. Built to 550HP. 5EK Serial Number Prefix Application. LONG BLOCK INCLUDES, Block, Head, Rods, Crankshaft gear and Piston... ConditionRemanufacturedStock Number1067695 MLS Number14571437CategoryEngines Last Updated8/28/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3406B Engine for a 1993 Freightliner FLD120 Contact for price (Used) 1992 Caterpillar 3406B, ENGINE ASSEMBLY- Displacement: 14.6L, Horsepower: TBD, Serial Number: 4CK09212, Part Number: S01-22115-006, Reference images for condition, For more... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)FLD120Will Fit Year(s)1993Part NumberS01-22115-006Stock NumberP-511674 MLS Number14555580CategoryEngines Last Updated8/20/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406 Engine for a 1996 Freightliner FLD120 Contact for price 3406E 5EK 435HP, RUNS GOOD NO BLOWBY. WILL CHECK ROD AND MAIN BEARING. 180 DAY WARRANTY ON HEAD BLOCK AND CRANK., Serial#: 5EK61588, Horse Power: 435, Casting#: NA ConditionUsedHorse Power435 HPFits To Make(s)FreightlinerFits To Model(s)FLD120Will Fit Year(s)1996Stock Number80626-5 MLS Number14536766CategoryEngines Last Updated8/12/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 1 Video Caterpillar 3406E Engine for a 1996 Western Star 4964F $8,500 USD RUNNER, Serial#: 5EK73116, Core Charge: 0, Horse Power: 475 HP @ 2100 RPM, ARR/CPL: 1317303 OEM 435 1800 ConditionUsedCPL/ARR1317303 OEM 435 1800Fits To Make(s)WESTERN STARFits To Model(s)4964FWill Fit Year(s)1996Stock Number1A1E57799 MLS Number14423137CategoryEngines Last Updated8/8/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 14 Photos View 1 Video 1997 Caterpillar 3406E Engine $16,500 USD (GOOD USED TEST RUN INTERNALLY INSPECTED) 1997 Caterpillar 3406E Diesel Engine For Sale, 5EK, 40-PIN, Out of a WESTERN STAR, AR# 134-4855, 475HP, 14.6L, 6 Cylinders, Engine Serial#... Warranty ConditionUsedHorse Power475 HP MLS Number14524531CategoryEngines Last Updated9/8/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1995 Caterpillar 3406B Engine Contact for price USED 1.995 CATERPILLAR 3406B MANUAL FUEL PUMP ENGINE, 425HP, JAKE BRAKE, STOCK:0804265, ESN:7FB57254, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ConditionUsedStock Number8904-0804265 MLS Number14521669CategoryEngines Last Updated8/4/2026 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info