Featured Item View 15 Photos View 1 Video 1984 Caterpillar 3406B Engine with Jake Brakes, 425HP $15,000 USD (GOOD USED TEST RUN INTERNALLY INSPECTED) 1984 Caterpillar 3406B Diesel Engine For Sale with Jake Brakes, Engine Serial# 7FB08568, AIR TO AIR) MECHANICAL FUEL PUMP, 3406B, 425HP @ 2100RPM,... Warranty ConditionUsedCPL/ARR4W-3607Horse Power425 HPStock Number9863 MLS Number14323044CategoryEngines Last Updated6/1/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos USED 1996 Caterpillar 3406B Engine 425HP Tested Runner – Warranty $19,780 USD CORE EXCHANGE NEEDED, GOOD RUNNING ENGINE (INTERCOOLER) Warranty ConditionUsedHorse Power425 HPStock Number1242 MLS Number11212848CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 1991 Caterpillar 3406B Engine & 3406C 425HP Tested Runner – Warranty $19,780 USD GOOD RUNNING ENGINE, CORE EXCHANGE NEEDED Dismantled From: FREIGHTLINER Warranty ConditionUsedHorse Power425 HPStock Number1505 MLS Number12102171CategoryEngines Last Updated6/16/2026 LocationMedley, FL, US Sold ByOptimum Truck Parts LLC (844) 938-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 17 Photos View 1 Video 1989 Caterpillar 3406B Engine with Jake Brakes $15,000 USD 1989 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, AIR TO AIR, Mechanical Fuel Pump, AR# 9Y-2558, 4MG50707, Ford Application, 425HP @ 2100RPM, 8N-9267, 4W-2436, 7W-2203, 14.6L... Warranty ConditionUsedCPL/ARR9Y-2558Horse Power425 HPPart NumberAIR TO AIR, Mechanical Fuel PumpStock Number10250 MLS Number14402811CategoryEngines Last Updated6/2/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 1995 Caterpillar 3406B Engine $19,995 USD 1995 Caterpillar 3406C 425 HP, Fully Mechanical Engine, We have many versions and Years of 3406 in Stock! 90 Days Warranty Please call Joe for a quote! - 954-205-3067 Warranty ConditionUsedUsage100,000 MilesHorse Power425 HP MLS Number14374461CategoryEngines Last Updated5/16/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3406B Engine $19,995 USD Caterpillar 3406B Models 425 HP, Fully Mechanical Engine!, New Mains Rods Installed! New Seals/Gaskets Installed!, We have many versions and Years of 3406 in Stock!, Engine will be... Warranty ConditionUsedUsage100,000 MilesHorse Power425 HP MLS Number14374446CategoryEngines Last Updated5/16/2026 LocationMiramar, FL, US Sold ByJSJ Diesel Sales, Inc. (855) 718-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar 3406B Engine for a 1988 Freightliner FC60 Contact for price CORE ENGINE ASSEMBLY, Ok for parts. Injection pump Turbo, Engine,, Serial#: CAT, Horse Power: 425, Casting#: CAT ConditionUsedHorse Power425 HPFits To Make(s)FreightlinerFits To Model(s)FC60Will Fit Year(s)1988Part Number3406BStock Number80922-1 MLS Number11600483CategoryEngines Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Caterpillar 3406B Engine - 425 HP $32,995 USD ***BUILD TO ORDER*** COMPLETE OUT OF FRAME OVERHAUL. REMAN HEAD,PUMP,TURBO,INJECTORS,PISTONS/ LINERS. 1 YR UNLIMITED MILES. HAS BEEN TESTED. CALL FOR MORE INFO ///NOTES////, Serial#:... ConditionRemanufacturedHorse Power425 HPEngine ModelCaterpillar 3406BStock Number3406B MLS Number9001097CategoryEngines Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 1 Video Caterpillar 3406B Engine for a 1990 International 9400 Contact for price GOOD ENGINE HAS BLOW BY LAST RAN 10/20/23, Serial#: 4MG92986, Horse Power: 425 ConditionUsedHorse Power425 HPFits To Make(s)InternationalFits To Model(s)9400Will Fit Year(s)1990Stock Number045953-1 MLS Number12395697CategoryEngines Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Caterpillar 3406B Engine for a 2001 Peterbilt 378 $13,749.98 USD (Used) 2000 Caterpillar 3406B, ENGINE ASSEMBLY- Displacement: 14.6, Horsepower: 425, Serial Number: 4MG26361, Reference images for condition For more information about this item, give us a... ConditionUsedHorse Power425 HPFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2001Stock NumberP-82249 MLS Number12931144CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Caterpillar 3406B Engine for a 1989 Kenworth W900 $9,295.98 USD (Used) 1989 Caterpillar 3406B, ENGINE ASSEMBLY- Family Number: KCT0893FPB1, Displacement: 14.6L, Horsepower: 425, Ar.No./CPL: 7E1807, ESN: 4MG49286, Part Number: 3406B, E.C.S: EM, DI, SPL,... ConditionUsedCPL/ARR7E1807Horse Power425 HPFits To Make(s)KenworthFits To Model(s)W900Will Fit Year(s)1989Part Number3406BStock NumberP-90684 MLS Number13196164CategoryEngines Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 1 Video 1991 Caterpillar 3406 Diesel Engine 425HP (MECHANICAL) 14.6L Contact for price (GOOD USED) 1991 Caterpillar 3406B Diesel Engine with Jake Brakes, 14.6L, 425HP @ 2000 RPM, MECHANICAL INJECTION PUMP, AR # 4P1222 (SHIPPED OUT FROM CAT 1999) Engine Serial # 3ZJ07517, Stock... ConditionUsedCPL/ARR4P1222Horse Power425 HPPart Number3406B MECHANICALStock Number1420 MLS Number9625465CategoryEngines Last Updated4/24/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 1 Video 1990 Caterpillar 3406B Engine $15,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1990 Caterpillar 3406B Diesel Engine with Jakes (AIR TO AIR)(Mechanical Fuel Pump), Serial # 4MG86239, AR # 7E2189, 425HP @ 2100RPM, 14.6L, TEST RUN... ConditionUsedCPL/ARR7E2189Horse Power425 HPPart Number7E2189Stock Number0067889 MLS Number14261288CategoryEngines Last Updated4/26/2026 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 1 Video 1988 Caterpillar 3406B Engine $17,500 USD (FRESH REBUILD) 1988 Caterpillar 3406B Diesel Engine with Jakes (AIR TO AIR)(Mechanical Fuel Pump), Serial # 4MG44042, AR # 9Y7540, 425HP @ 2100RPM, 14.6L, TEST RUN WATCH VIDEO ON JJ... ConditionRemanufacturedCPL/ARR9Y7540Horse Power425 HPPart NumberAR # 9Y7540Stock Number006633 MLS Number13842079CategoryEngines Last Updated10/26/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 1 Video Caterpillar 3406B Engine with Jake Brakes, 425HP Contact for price (GOOD USED TEST RUN INTERNALLY INSPECTED) Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, 425HP, Serial# 7FB82727 OVER 500 ENGINES IN STOCK! READY TO SHIP! WATCH TEST RUN VIDEO... Warranty ConditionUsedHorse Power425 HPPart Number3406BStock Number6018 MLS Number12368579CategoryEngines Last Updated6/25/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 16 Photos View 1 Video 1987 Caterpillar 3406B Engine with JAKE BRAKES, 425HP (AIR TO AIR) Contact for price (GOOD USED TEST RUN INTERNALLY INSPECTED) 1987 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, (AIR TO AIR) MECHANICAL FUEL PUMP, 3406B, AR# 7C0745, 425HP @ 2100RPM, Engine... Warranty ConditionUsedCPL/ARR7C0745Horse Power425 HPStock Number7798 MLS Number13019175CategoryEngines Last Updated6/25/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 16 Photos View 1 Video 1989 Caterpillar 3406B Engine with JAKE BRAKES, 425HP Contact for price (GOOD USED TEST RUN INTERNALLY INSPECTED) 1989 Caterpillar 3406 Diesel Engine with JAKE Brakes, 425HP @ 2100RPM, MECHANICAL FUEL PUMP, 3406B, 14.6L, 6 Cylinders, Turbocharged, Serial #... Warranty ConditionUsedHorse Power425 HPPart Number3406BStock Number7624 MLS Number13186056CategoryEngines Last Updated6/25/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 1 Video 1985 Caterpillar 3406B Engine $15,000 USD (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1985 Caterpillar 3406B Diesel Engine with Jake Brakes (Water After-Cooled)(Mechanical Fuel Pump), Serial # 7FB41570, AR # 4W7645, 400HP, 14.6L, TEST... ConditionUsedCPL/ARR4W7645Horse Power400 HPPart NumberAR # 4W7645Stock Number006503 MLS Number13628226CategoryEngines Last Updated7/8/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 1 Video 1991 Caterpillar 3406B Diesel Engine Assembly Mechanical $12,500 USD GOOD USED CATERPILLAR 3406 B DIESEL ENGINE ASSEMBLY, FOR SALE, WITH WARRANTY!!! , 1991 , CATERPILLAR , 3406B , MECHANICAL ENGINE , S/N 3ZJ07249 , 425HP ... Warranty ConditionUsedHorse Power425 HPStock NumberS236EN MLS Number13237833CategoryEngines Last Updated2/27/2025 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 1 Video 1996 Caterpillar 3406B Engine $13,000 USD (OEM REMAN/ RUN TESTED/ FULLY INSPECTED) 1996 Caterpillar 3406B Diesel Engine (Water After-Cooled)(Mechanical Fuel Pump), OEM REMAN Serial # 7XC03946, OEM REMAN AR # 0R1284, Reference S/N:... ConditionRemanufacturedUsage125,631 MilesCPL/ARR0R1284Horse Power400 HPPart NumberAR # 0R1284Stock Number006189 MLS Number13021099CategoryEngines Last Updated9/3/2024 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3406B Diesel Engine Assembly Mechanical Contact for price Used 1989 Caterpillar 3406B Diesel Engine Assembly, for Sale, with Warranty!!! S/N 4MG 400HP Jake Brake Tested, Inspected, Run Tested 5/10/24. RUNS PERFECT! CALL... Warranty ConditionUsedHorse Power400 HPPart Number3406BStock NumberS3230EN MLS Number12884105CategoryEngines Last Updated12/9/2024 LocationScranton, PA, US Sold ByBoots and Hank's Truck Parts, Inc. (833) 396-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 1 Video 1993 Caterpillar 3406B Engine Contact for price USED 3406B CATERPILLAR ENGINE, 400HP,AFTER COOLER, 1.993, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK. ConditionUsedHorse Power400 HPStock Number2198-0403208 MLS Number10157042CategoryEngines Last Updated8/21/2023 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 1990 Caterpillar 3406B Engine With Jake Brakes 425HP Contact for price (GOOD USED) 1990 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, 425HP @ 2000RPM, MECHANICAL FUEL PUMP, AR# 7E2044, 14.6L Displacement, 6 Cylinders, Engine Serial# 4MG88678,... ConditionUsedCPL/ARR7E2044Horse Power425 HPPart NumberCAT3406BStock Number2373 MLS Number10479755CategoryEngines Last Updated2/9/2023 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 1990 Caterpillar 3406B Engine With Jake Brakes 425HP Contact for price (GOOD USED) 1990 Caterpillar 3406B Diesel Engine For Sale, 425HP @ 2000RPM, MECHANICAL FUEL PUMP, AR# 7E2044, 14.6L Displacement, 6 Cylinders, Engine Serial# 4MG88679, Stock# 2362 WATCH... ConditionUsedCPL/ARR7E2044Horse Power425 HPPart Number3406BStock Number2362 MLS Number10478741CategoryEngines Last Updated2/9/2023 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 1987 Caterpillar 3406B Engine with Jake Brakes, MECHANICAL Contact for price (GOOD USED) 1987 Caterpillar 3406B Diesel Engine with Jake Brakes For Sale, 425HP @ 2000RPM, MECHANICAL FUEL PUMP, 14.6L Displacement, 6 Cylinders, AR# 7C7804, Engine Serial# 7FB95520,... ConditionUsedCPL/ARR7C7804Horse Power425 HPFits To Model(s)3406BStock Number2246 MLS Number10233476CategoryEngines Last Updated2/9/2023 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info