Featured Item View 12 Photos View 0 Videos 2025 Cummins Surplus 6BTAA Diesel Engine - 230 HP Contact for price New Cummins Surplus 230 HP 6BTAA (5.9 L) Engine Our long block and extended long block assemblies are considered 'component builds'. A component build is an engine assembly built back to... Warranty ConditionNewHorse Power230 HPL x W30 x 37Weight1080Stock NumberBBENG16 MLS Number9551475CategoryEngines Last Updated4/1/2026 LocationDenver, CO, US Sold ByBig Bear Engine Company (844) 332-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 2 Photos View 0 Videos 2024 Cummins Surplus 6BT Long Block Diesel Engine Contact for price Cummins 6B Long Block Diesel Engine Our 12 Valve Cummins 6B (5.9 L) long blocks are a great replacement option for worn or non running existing units in the field. We offer both storm and... Warranty ConditionNewHorse Power215 HPL x W30 x 37Weight637Stock NumberBBENG2 MLS Number9558416CategoryEngines Last Updated4/1/2026 LocationParker, CO, US Sold ByBig Bear Engine Company (844) 332-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 8 Photos View 0 Videos 2025 Cummins 6BT Marine Engine - Replacement Unit or Repower Contact for price 6BTA 280 HP Marine Engine (Extended Long Block) Whether you are looking to replace an existing (5.9 L) 6BT marine engine or interested in doing a complete repower we can help. The 6BT... Warranty Quantity2ConditionRemanufacturedHorse Power280 HPL x W52 x 35Weight1300Stock NumberBBENG41 MLS Number11419671CategoryEngines Last Updated4/1/2026 LocationParker, CO, US Sold ByBig Bear Engine Company (844) 332-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 4 Photos View 0 Videos 2025 Surplus Cummins 6BT Long Block - Automotive or Industrial Application A 35° Pump Housing Contact for price Cummins 6BT Long Block Diesel Engine Our 12 Valve Cummins 6B (5.9 L) long blocks are a great replacement option for worn or non running existing units in the field. We offer both storm and... Warranty Quantity7ConditionNewL x W36 x 40Fits To EquipmentChrysler Trucks, Drill Rigs, Oil Derricks, Forklifts, Log Skidders, Rollers, Compactors, Skid Steers, Step VansFits To Make(s)Dodge Ram, Gruman, Taylor, Diamond Drill, AGCO, Drilltech, Dnyapack, Kelbco, BomagFits To Model(s)Dogde Ram 1500, 2500 (Automotive) Multiple Industrial ApplicationsWill Fit Year(s)1988-1998 First and Second Gen Mechanical VE or P-7100Weight635Stock NumberBBENG49 MLS Number12942565CategoryEngines Last Updated4/1/2026 LocationParker, CO, US Sold ByBig Bear Engine Company (844) 332-___ SHOWNUMBERCall Seller Email Seller Save More Info
Featured Item View 4 Photos View 0 Videos 2025 Surplus Cummins 6BT Long Block - Automotive or Industrial Application P Pump Housing Contact for price Cummins 6BT Long Block Diesel Engine - P7100 Fuel Pump Housing Configuration, Our 12 Valve Cummins 6B (5.9 L) (non turbo) long blocks are a great replacement option for worn or non running... Warranty Quantity4ConditionNewL x W36 x 40Fits To EquipmentChrysler Trucks, Drill Rigs, Oil Derricks, Forklifts, Log Skidders, Rollers, Compactors, Skid Steers, Step VansFits To Make(s)Dodge Ram, Gruman, Taylor, Diamond Drill, AGCO, Drilltech, Dnyapack, Kelbco, BomagFits To Model(s)Dogde Ram 1500, 2500 (Automotive) Multiple Industrial ApplicationsWill Fit Year(s)1988-1998 First and Second Gen Mechanical P-7100Weight625Stock NumberBBENG50 MLS Number12942631CategoryEngines Last Updated4/1/2026 LocationParker, CO, US Sold ByBig Bear Engine Company (844) 332-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins 6BT Engine Recently Updated $11,495 USD Construction Industrial, 100-177 HP BASIC COMPLETE REMANUFACTURED ENGINE, Turbocharged, Rotary Pump, build to order SOLD EXCHANGE WITH ONE YEAR OR 2,000 HRS WHICHEVER OCCURS FIRST, FACTORY... Quantity5ConditionRemanufacturedStock Number29663 MLS Number13353370CategoryEngines Last Updated11/14/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins 6BT Engine Recently Updated $10,995 USD Construction Industrial, 152 HP BASIC COMPLETE REMANUFACTURED ENGINE 152 HP @ 2,500 RPM, Yard Tractor, HMRO Turbo, Front Sump, Rotary Pump, OFFERED EXCHANGE WITH ONE YEAR OR 2,000 HRS... Quantity5ConditionRemanufacturedStock Number29665 MLS Number13353368CategoryEngines Last Updated11/14/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins 6BT Engine Recently Updated $10,995 USD Bluebird Bus, 6BT5.9, 180 HP @ 2,500 RPM, BASIC COMPLETE REMANUFACTURED TRUCK ENGINE WITH TWO YEAR UNLIMITED MILE FACTORY PARTS LABOR WARRANTY (2nd YEAR LONGBLOCK ONLY). EXCHANGE PLUS$2250... Quantity5ConditionRemanufacturedStock Number29734 MLS Number13353308CategoryEngines Last Updated11/14/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins 6BT Engine Recently Updated $11,895 USD Ford Truck, 190 HP @ 2,500 RPM, BASIC COMPLETE REMANUFACTURED TRUCK ENGINE [LMRO Turbo, CAC, Deep Front Sump, Inline Pump] WITH TWO YEAR UNLIMITED MILE FACTORY PARTS LABOR WARRANTY 2nd YEAR... Quantity5ConditionRemanufacturedStock Number29735 MLS Number13353307CategoryEngines Last Updated11/14/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins 6BT Engine Recently Updated $12,995 USD Build to order, 75-230 HP, BASIC COMPLETE REMANUFACTURED TRUCK ENGINE, CAC, Inline Pump, WITH TWO YEAR UNLIMITED MILE FACTORY PARTS LABOR WARRANTY 2nd YEAR LONGBLOCK ONLY SOLD EXCHANGE PLUS... Quantity5ConditionRemanufacturedStock Number29736 MLS Number13353306CategoryEngines Last Updated11/14/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins 6BT Engine Recently Updated $11,895 USD Freightliner, FITS FL50, FL60, FL70, FL80, 190 HP @ 2,300 RPM, BASIC COMPLETE REMANUFACTURED TRUCK ENGINE [LMRO Turbo, CAC, Inline Pump, WITH TWO YEAR UNLIMITED MILE FACTORY PARTS LABOR... Quantity5ConditionRemanufacturedStock Number29737 MLS Number13353305CategoryEngines Last Updated11/14/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins 6BT Engine Recently Updated $11,895 USD Bluebird Thomas Bus, 6BT5.9 230 HP BASIC COMPLETE REMANUFACTURED TRUCK ENGINE @ 2,300 RPM, LMRO Turbo, CAC, Inline Pump, Front Engine WITH A TWO-YEAR UNLIMITED MILE FACTORY PARTS LABOR... Quantity5ConditionRemanufacturedStock Number29738 MLS Number13353303CategoryEngines Last Updated11/14/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2009 Cummins 6BT Engine Recently Updated $13,995 USD NEW SURPLUS - NEVER USED- SAE 3 / MECHANICAL ENGINE. / INLINE PUMP Replacement Engine. EXCHANGE WITH ONE YEAR PARTS WARRANTY PLUS $2000.00 REFUNDABLE CORE STARTING AT $13,995.00, FREIGHT... Quantity7ConditionNewStock Number30398 MLS Number13353262CategoryEngines Last Updated11/14/2026 LocationChicago, IL, US Sold ByDiesel Sales (844) 596-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1997 Cummins 6BT Engine Newly Listed Contact for price USED 1.997 CUMMINS 6BT 5.9L ENGINE, 175HP, AIR TO AIR, CPL:1550, STOCK:1109269, ESN:45479302, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY ENGINES IN STOCK ConditionUsedStock Number9180-1109269 MLS Number14736427CategoryEngines Last Updated11/9/2026 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 1996 Cummins 6BT 5.9L Truck Engine $5,250 USD Engine was tested, runs great, ready to go. Cummins 6BT 5.9 Turbo engine. Inline P Pump. Was test ran here at our facility. No blow by or smoke. Truck application with 67k Miles. Video... Warranty ConditionUsedUsage67,000 MilesCPL/ARR1551Horse Power190 HPStock Number3624 MLS Number14708913CategoryEngines Last Updated10/31/2026 LocationSpringville, PA, US Sold BySummit Core Supply (844) 329-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 1996 Cummins 6BT Turbo Diesel Engine $5,450 USD Engine was tested, runs great, ready to go. Cummins 6BT Turbo engine. Inline Pump. Was test ran here at our facility. No blow by or smoke. Call or message with questions. Warranty ConditionUsedUsage2,340 HoursCPL/ARR1948Horse Power148 HPStock Number3623 MLS Number14708905CategoryEngines Last Updated10/31/2026 LocationSpringville, PA, US Sold BySummit Core Supply (844) 329-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 1990 Cummins 6BT Engine Contact for price USED 1.990 CUMMINS 6BT 5.9L ENGINE, 210HP, CPL:1552, STOCK:10282610, ESN:44595710, COMPLETE, FULLY INSPECTED ENGINE, TESTED RUNNING WITH OIL PRESURE GAUGE, ALSO MANY ENGINES IN STOCK ConditionUsedStock Number9133-10282610 MLS Number14703382CategoryEngines Last Updated10/29/2026 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2005 Cummins 6BT Engine Contact for price USED 2005 CUMMINS 6BT 5.9L ENGINE, MECHANICAL FUEL PUMP, 155HP, STOCK:1028265, ESN:69316396, COMPLETE, INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY ENGINES IN STOCK ConditionUsedStock Number9128-1028265 MLS Number14703147CategoryEngines Last Updated10/28/2026 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2012 Cummins 6BT Engine Contact for price USED 2012 CUMMINS 6BT 5.9L ENGINE, MECHANICAL FUEL PUMP, 210HP, B210, AIR TO AIR, STOCK:1028262, ESN:87384699, COMPLETE, FULLY INSPECTED AND TESTED RUNNING GOOD ENGINE, ALSO MANY ENGINES IN... ConditionUsedStock Number9125-1028262 MLS Number14702596CategoryEngines Last Updated10/28/2026 LocationMiami, FL, US Sold By4-Trucks Enterprises LLC (833) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos 1988 Cummins 6BT 5.9 Turbo Diesel Engine CPL 0597 $5,795 USD 1988 Cummins 6BT-5.9 diesel engine, turbocharged, mechanical Bosch VE pump, CPL 0527 (CPL 527,) 152 HP at 2500 RPM rating. TEST RAN CLEAN, SEE VIDEO. NO SMOKE OR BLOWBY OBSERVED DURING COLD... ConditionUsedStock Number15285 MLS Number14672953CategoryEngines Last Updated10/18/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Cummins 6BT 5.9 Diesel Engine CPL 3899 $4,795 USD Cummins 6BT 5.9 diesel engine, turbocharged, inline injection pump, mechanical fuel system, auxiliary drive, CPL 3899. NO SERIAL # FOUND, COMES AS PICTURED, COMPLETE 6BT -- SEE VIDEO --... ConditionUsedStock Number19305 MLS Number14658484CategoryEngines Last Updated10/11/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Cummins 6BT Engine $4,795 USD Cummins 6BT 5.9 diesel engine, turbocharged, inline injection pump, mechanical fuel system, auxiliary drive, appears to be a Korean built engine. NO SERIAL # FOUND, COMES AS PICTURED,... ConditionUsedStock Number19304 MLS Number14658482CategoryEngines Last Updated10/11/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos Cummins 6BT Engine $4,695 USD Cummins 6BT 5.9 diesel engine, turbocharged, inline injection pump, mechanical fuel system, auxiliary drive, Korean built engine. NO SERIAL # FOUND, COMES AS PICTURED, COMPLETE 6BT -- SEE... ConditionUsedStock Number19300 MLS Number14658478CategoryEngines Last Updated10/11/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2022 Cummins 6BT 5.9 Diesel Engine UNUSED! $13,795 USD 2022 Cummins 6B-5.9 diesel engine, turbocharged, air to air intercooled, Bosch VE series mechanical fuel injection pump, CPL 8306, 150 HP at 2200 RPM rating, complete as pictured. ENGINE IS... ConditionUsedStock Number15798 MLS Number14617099CategoryEngines Last Updated9/22/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos REBUILT 1990 Cummins 6BT 5.9 Diesel Engine DODGE TRUCK $8,795 USD 1990 Cummins 6BT 5.9 diesel engine, turbocharged, CPL 8040, mechanical Bosch VE series injection pump, 160 HP rating, MILITARY SURPLUS, FRESH REBUILD, Dodge Ram truck applications, as... ConditionUsedStock Number19105 MLS Number14507861CategoryEngines Last Updated7/26/2026 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info