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 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 9 Photos View 0 Videos CAT 3304 PC Diesel Engine AR # 7N1522 $6,595 USD Caterpillar 3304 PC diesel engine, turbocharged, pre-combustion injection system, mechanical fuel system, 78P prefix, arrangement # 7N1522 (7N-1522,) originally built for a CAT 930 wheel... ConditionUsedStock Number18376 MLS Number14063250CategoryEngines Last Updated12/29/2025 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ 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 3 Photos View 0 Videos 1980 Caterpillar 3304 PC Engine $7,695 USD 1980 CAT 3304 PC diesel engine, still installed in a Caterpillar D4E crawler, 5725 original hours, naturally aspirated, mechanical fuel system, arrangement # 7N1516, serial #... ConditionUsedStock Number16478 MLS Number12951390CategoryEngines Last Updated6/25/2024 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1987 Caterpillar 3304 Engine $3,999 USD Runs excellent, This is not direct injection, ConditionUsed MLS Number12108541CategoryEngines Last Updated3/30/2026 LocationPittston, PA, US Sold ByBig Iron Equipment LLC (833) 909-___ SHOWNUMBERCall Seller Email Seller Save More Info