View 6 Photos View 0 Videos Caterpillar 3304 DI Engine Recently Updated $22,995 USD PREMIUM REMANUFACTURED CATERPILLAR 3304DI COMPLETE DIESEL ENGINE STARTING AT $22,995.00, EXCHANGE WITH ONE YEAR OR 2,000 hrs. whichever occurs first, Limited Parts Labor WARRANTY. Plus... ConditionRemanufacturedStock Number10844 MLS Number13354128CategoryEngines Last Updated6/20/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3304 DI Engine Recently Updated $12,995 USD Construction Industrial, NEW REPLACEMENT ENGINE COMPARED TO CAT DESIGN, LONG BLOCK INCLUDING NEW OIL PUMP, EXCHANGE WITH SIX MONTH LIMITED PARTS WARRANTY PLUS $1,000.00 REFUNDABLE CORE... ConditionNewStock Number69276 MLS Number13352987CategoryEngines Last Updated6/20/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos CAT 3304 PC Diesel Engine 4N-3975 950 LOADER $5,795 USD Caterpillar 3304 PC diesel engine, turbocharged, mechanical fuel system, pre-combustion injection, arrangement # 4N3975 (4N-3975,) CAT 950 loader application, later model PC engine w/ short... ConditionUsedStock Number18945 MLS Number14401199CategoryEngines Last Updated6/1/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Caterpillar 3304 Flywheel Housing $520 USD Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada USA. - Stock : 406FH - P/N : 7L406, Serial#: Other, Material: Other ConditionUsedStock Number406FH MLS Number12281312CategoryFlywheel Housings Last Updated5/14/2026 LocationBeauceville, QC, Canada Sold ByCamions Gilbert (888) 595-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3304 Flywheel Housing $600 USD 3304, Cast Iron, Used, P/N 7L406 - Part #: 7L406, Core Charge: 0.00 ConditionUsedPart Number7L406Stock Number165481 MLS Number11703759CategoryFlywheel Housings Last Updated6/13/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar 3304 DI Exhaust Manifold $300 USD GOOD USED,QUALITY A, Core Charge: 0, Part Make: CATERPILLAR ConditionUsedPart Number6N5392,Stock Number292A1E56667 MLS Number13739750CategoryExhaust Manifolds Last Updated5/14/2026 LocationSte-Julie, QC, Canada Sold ByCamions Lussier-Lussicam inc. (844) 503-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Caterpillar 3304 PC Engine $5,295 USD Caterpillar 3304 PC diesel engine, turbocharged, pre-combustion injection system, mechanical fuel system, no serial # found, later style "short" pump configuration. GOOD RUNNING ENGINE --... ConditionUsedStock Number18836 MLS Number14361474CategoryEngines Last Updated5/11/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 1989 CAT 3304 DI Diesel Engine D5H Tractor $10,295 USD 1989 Caterpillar 3304 DI diesel engine, turbocharged, direct injection, serial # 09Z08461, arrangement # 1W-4584 (1W4584,) complete as pictured. Removed from a CAT D5H crawler tractor, as... ConditionUsedStock Number18827 MLS Number14361092CategoryEngines Last Updated5/10/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 1989 CAT 3304 DI Diesel Engine POWER UNIT $11,795 USD 1989 Caterpillar 3304 DI diesel engine, turbocharged, mechanical fuel system, arrangement # 1W-3879 (1W3879,) complete power unit w/ radiator and accessories, 200 HP at 1800 RPM, removed... ConditionUsedStock Number18779 MLS Number14334213CategoryEngines Last Updated4/27/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos CAT 3304 PC Diesel Engine 670 HOURS! AR # 8N-5751 $8,795 USD Caterpillar 3304 PC diesel engine, power unit w/ radiator, skid accessories, arrangement # 8N-5751 (8N5751,) precombustion injection, turbocharged, mechanical fuel system, later style fuel... ConditionUsedStock Number18676 MLS Number14292652CategoryEngines Last Updated4/6/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1996 Caterpillar 3304 DI Engine Contact for price USED 1.996. CATERPILLAR 3304DI ENGINE, ARR:1W3879, STOCK:0324261, ESN:83Z05017, COMPLETE, INSPECTED AND TESTED. RUNNING GOOD ENGINE, ConditionUsedStock Number8485-0324261 MLS Number14263406CategoryEngines Last Updated3/24/2026 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1985 Caterpillar 3304 PC Engine Contact for price USED CATERPILLAR 3304PC ENGINE, 95HP, NONE TURBO CHARGED, ARR:4N9958, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY ENGINES IN STOCK, ConditionUsedStock Number8471-0320263 MLS Number14261082CategoryEngines Last Updated3/23/2026 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos CAT 3304 DI Diesel Engine Takeout $4,595 USD TAKEOUT ENGINE, WILL RUN, AS PICTURED ConditionUsedStock Number18630 MLS Number14261050CategoryEngines Last Updated3/23/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 15 Photos View 0 Videos 1989 CAT 3304 DI Diesel Engine Power Unit 369 HOURS !! PTO CLUTCH! $15,795 USD 1988 Caterpillar 3304 DI diesel engine, turbocharged, mechanical fuel system, arrangement # 1W-3871 (1W3871,) complete power unit w/ radiator, panel, power take off clutch, enclosure and... ConditionUsedStock Number18612 MLS Number14247443CategoryEngines Last Updated3/16/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos CAT 3304 PC Diesel Engine POWER UNIT! AR # 8N-5751 $7,695 USD Caterpillar 3304 PC diesel engine, power unit w/ radiator, skid accessories, arrangement # 8N-5751 (8N5751,) precombustion injection, turbocharged, mechanical fuel system, later style fuel... ConditionUsedStock Number18569 MLS Number14215163CategoryEngines Last Updated3/2/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Used Caterpillar 3304 Trunnion Seal Adapter $162 USD Used 3304 Trunnion Seal Adapter, Type: Trunnion Bracket, Material: Steel Quantity2ConditionUsedPart Number4N7004Stock Number502-13039 MLS Number8933200CategoryEngine Brackets Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Used Caterpillar 3304 Trunnion Mount Assembly $270 USD Used 3304 Trunnion Mount Assembly, Type: Trunnion Bracket, Material: Steel ConditionUsedPart Number9L0878Stock Number502-13038 MLS Number8933199CategoryEngine Brackets Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Used Caterpillar 3304 Trunnion Mount Assembly $514 USD Used 3304 Trunnion Mount Assembly, Type: Trunnion Bracket, Material: Steel ConditionUsedPart Number8L5427Stock Number502-13037 MLS Number8933198CategoryEngine Brackets Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar 3304 PC Diesel Engine Contact for price == Information in English == Type: Engine, Type of fuel: Diesel, Empty weight: 740 kg, Dimensions (LxBxH): 120 x 80 x 125 cm, Type number: 3304PC 4B-7N3303 Engine Brand: CATERPILLAR,... ConditionNewStock Number0215804 MLS Number13951146CategoryEngines Last Updated11/23/2025 LocationBalenhoek, Belgium Sold ByHamofa Industrial Engines +32 11 92 2___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Caterpillar 3304 PC Engine Contact for price == Information in English == Type: Engine, Empty weight: 1.200 kg, Dimensions (LxBxH): 4 x 3 x 4 cm, Type number: 3304PC 4B-7N3303 Engine Brand: CATERPILLAR, Condition: CORE, Engine Cooling... ConditionNewStock Number0522359 MLS Number13501122CategoryEngines Last Updated10/28/2025 LocationHamont, Belgium Sold ByHamofa Industrial Engines +32 11 92 2___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 1 Video 1995 Caterpillar 3304 DI Engine Contact for price USED CATERPILLAR 3304DI ENGINE, DIRECT INJECTION, TURBO CHARGED, ARR1W3879, ESN:83Z08381, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES IN STOCK ConditionUsedStock Number7791-0605253 MLS Number13628249CategoryEngines Last Updated10/13/2025 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Caterpillar 3304 DI / PC Engine Contact for price RemanufacturedCaterpillar 3304 DI/PC ConditionRemanufactured MLS Number381165CategoryEngines Last Updated7/24/2025 LocationFort Worth, TX, US Sold ByYellow Engine Services (855) 748-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Caterpillar 3304 PC Engine $5,595 USD Caterpillar 3304 PC diesel engine, naturally aspirated spec, serial # 41K1421, interchangeable w/ turbocharged engines, equipment industrial spec. Engine was removed from a CAT 930 wheel... ConditionUsedStock Number17499 MLS Number13502220CategoryEngines Last Updated4/7/2025 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1989 Caterpillar 3304 Generator $26,000 USD Online Owner's Manual, ConditionUsedUsage2,793 HoursStock NumberEE21574 MLS Number13399363CategoryGenerator Sets Last Updated3/8/2025 LocationPhoenix, AZ, US Sold ByEmpire Machinery (855) 927-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1984 Caterpillar 3304 PC Engine Contact for price USED CATERPILLAR 3304 PC ENGINE, 180HP, BLOCK:2P940, ARR:2P6782, TURBO ON THE BACK, ESN:78P4302, STATIONARY APPLICATION, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY IN... ConditionUsedStock Number7501-0131252 MLS Number13375288CategoryEngines Last Updated1/31/2025 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info