Get Financing1 - 28 of 6,761 Listings
RentAll
Condition: Used
Stock Number: P-92589
Description: (Used) Cummins 3.9 4B, ENGINE ASSEMBLY- Displacement: 3.9L, Horsepower: N/A, Serial Number: 44170235, Part Number: A174090 Reference images for con...
Updated: Wednesday, July 08, 2026 08:27 AM
Location: Elkton, Maryland
Seller: Complete Recycling Group - Heavy Truck Parts
Condition: Used
Stock Number: 9TL3306U
Description: CUMMINS 9TL, LOW MILEAGE GREAT RUNNING USED ENGINE 70 PSI OIL PRESSURE. 387,000 MILES IT IS RATED @ 300HP. UNIT CAME OUT OF A 1994 WHITE/GMC/VOLVO...
Updated: Thursday, July 02, 2026 03:48 PM
Location: Indianapolis, Indiana
Seller: Young and Sons
Condition: Used
Stock Number: 99167
Serial Number: 2NP3LJ9X4HM444628
Description: Used Paccar PX-9 engine Cummins SN#74047680 cpl#4612 ISL9 350
Coreprice: 4500
Updated: Friday, June 19, 2026 10:41 PM
Location: Crandall, Texas
Seller: Tim Jordan's Truck Parts, Inc
Condition: Used
Stock Number: 30618-9
Serial Number: getting
Description: CORE ENGINE, NO JAKES. OK FOR PARTS
Mileage: none
Updated: Tuesday, July 07, 2026 09:04 AM
Location: Ucon, Idaho
Seller: Holst Truck Parts
Condition: Used
Stock Number: A57533-1
Description: ENGINE RAN 6/26/19
Updated: Tuesday, June 16, 2026 10:52 AM
Location: Ogden, Utah
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: B15327-1
Description: ENGINE RAN 09/04/19. This is a good running high flow small cam cummins
Updated: Tuesday, June 16, 2026 10:52 AM
Location: Ogden, Utah
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 52322-7
Serial Number: 68 FRTLNR
Description: BC1 400,CPL324 /////CORE ENGINE ONLY////// WAS INSTALLED IN 69 FREIGHTLINER //////NOTES////
Updated: Tuesday, July 07, 2026 09:04 AM
Location: Ucon, Idaho
Seller: Holst Truck Parts
Condition: Used
Stock Number: 51404
Description: SMALL CAM 350-400,HAS ENGINE,RUNS GOOD BUT ROUGH,POSSIBLE INJECTOR ISSUE,LATE FFC BLOCK,PULSE MANIFOLD,WAS IN CLT FORD CABOVER
Updated: Tuesday, July 07, 2026 09:04 AM
Location: Ucon, Idaho
Seller: Holst Truck Parts
Condition: Used
Description: GOOD USED CATERPILLAR 3512C UNITS
Updated: Friday, June 19, 2026 09:57 AM
Location: Houston, Texas
Seller: TTM Diesel LLC
Condition: Used
Stock Number: ENG-CUMISX-1916
Description: CUMMINS ISX ENGINE O/ OF 2001 PETERBILT 379, $6,500 EXCHANGE
Updated: Tuesday, April 28, 2026 08:00 AM
Location: Wittenberg, Wisconsin
Seller: ELDERON TRUCK & EQ TRUCK WORLD
Condition: Used
Description: CUMMINS 4.5L 4 VALVE NEW SURPLUS LONG BLOCK $9,500.00* EXCHANGE
Updated: Thursday, July 02, 2026 03:23 PM
Location: Indianapolis, Indiana
Seller: Young and Sons
Condition: Used
Stock Number: 245-0725195 - SN:114
Serial Number: 245-0725195 - SN:11453102
Description: 1995 CUMMINS 444 ENGINE 444 HP
USED 444 CUMMINS ENGINE, JAKE BRAKE, ENGINE TESTED RUNNING GOOD.
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 47630
Serial Number: 44277590
Description: REBUILT COMPLETE EXCHANGE WITH ONE YEAR OR 2,000 hrs. whichever occurs first, Limited Parts & Labor WARRANTY, PLUS $2,000.00 REFUNDABLE CORE DEPOSI...
Updated: Thursday, July 02, 2026 03:09 PM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Used
Stock Number: RC0040
Serial Number: TBD
Description: Construction Industrial, NATURAL 80HP BASIC COMPLETE REMANUFACTURED ENGINES EXCHANGE WITH ONE YEAR OR 2,000 HRS WHICHEVER OCCURS FIRST, FACTORY P...
Updated: Thursday, July 02, 2026 03:09 PM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Used
Stock Number: RC0015
Serial Number: TBD
Description: Construction Industrial, Tier 2, Build to order BASIC COMPLETE INDUSTRIAL REMANUFACTURED ENGINE SOLD EXCHANGE WITH ONE YEAR OR 2,000 HRS WHICHEVER ...
Updated: Thursday, July 02, 2026 03:09 PM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Used
Stock Number: RC0001
Serial Number: TBD
Description: Construction Industrial, 76-80 HP BASIC COMPLETE REMANUFACTURED ENGINE @ 2,500 RPM, Naturally Aspirated, Rotary Pump EXCHANGE WITH ONE YEAR OR 2,...
Updated: Thursday, July 02, 2026 03:09 PM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Used
Stock Number: 540-0911192 - SN:441
Serial Number: 540-0911192 - SN:44161781
Description: 1986 CUMMINS 4B ENGINE 105 HP
USED 4B CUMMINS ENGINE, NONE TURBO CHARGE, ENGINE COMPLETE AND TESTED RUNNING, ALSO MANY ENGINES IN STOCK.
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Description: Cummins 4B NEW LONG BLOCK $5000
Updated: Thursday, July 02, 2026 03:23 PM
Location: Indianapolis, Indiana
Seller: Young and Sons
Condition: Used
Stock Number: 5692-0303231
Serial Number: 5692-0303231
Description: USED CUMMINS 4B 3.9L ENGINE, NONE TURBO, ROTATIVE INJECTION PUMP, 80HP, CPL:591, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENGINES I...
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 6636-02052414
Serial Number: 6636-02052414
Description: USED 1.992 CUMMINS 4B3.9-P ENGINE, 75HP, NONE-TURBO, ESN:44747277, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY IN STOCK
Updated: Wednesday, June 17, 2026 10:45 PM
Location: Miami, Florida
Seller: 4 Trucks Enterprises LLC
Condition: New
Stock Number: BBENG12
Serial Number: 699 PREFIX
Weight: 726 lb
Description: Brand New Surplus Cummins 4BTAA – 140HP Complete Diesel Engine
Our long block and extended long block assemblies are considered 'component build...
Updated: Thursday, June 25, 2026 09:12 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Condition: Used
Stock Number: BBENG11
Weight: 726 lb
Description: Brand New Surplus Cummins 4BTA – 130HP Complete Diesel Engine
Our long block and extended long block assemblies are considered 'component builds...
Updated: Thursday, June 25, 2026 09:12 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Condition: New
Stock Number: BBENG10
Weight: 726 lb
Description: New Surplus Cummins 4BT in Stock – 105HP Complete Diesel Engine
Our long block and extended long block assemblies are considered 'component buil...
Updated: Thursday, June 25, 2026 09:12 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Condition: New
Stock Number: BBENG3
Weight: 562 lb
Shipping Length: 35 in
Shipping Width: 23 in
Shipping Height: 40 in
Description:
Updated: Thursday, June 25, 2026 09:12 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Condition: New
Stock Number: BBENG4
Weight: 562 lb
Shipping Length: 35 in
Shipping Width: 23 in
Shipping Height: 40 in
Description: Brand New Surplus Component Build Cummins 4B Long Block Diesel Engine
Parts List:
• New Cylinder Block
• New Cylinder Head
• New Crankshaft...
Updated: Thursday, June 25, 2026 09:12 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Quantity: 2
Condition: New
Stock Number: BBENG40
Description: 4BTA 200 HP Marine Extended Long Block
Whether you are looking to replace an existing (3.9 L) 4BT marine engine or interested in doing a complet...
Updated: Thursday, June 25, 2026 09:12 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Condition: New
Stock Number: BBENG31
Serial Number: CPL 3113
Weight: 1,300 lb
Description: Cummins 4BT Open Power Unit Package - 105 HP
*** CALL FOR PRICE ***
Our long block and extended long block assemblies are considered remanufactur...
Updated: Thursday, June 25, 2026 09:12 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
Quantity: 4
Condition: New
Stock Number: BBENG34
Weight: 736 lb
Description: Brand New Surplus Cummins 4BTAA – 140HP (P-7100 Pump) Diesel Engine
This engine is a true P-7100 component build which can be used for an indust...
Updated: Thursday, June 25, 2026 09:12 AM
Location: Parker, Colorado
Seller: Big Bear Engine Company
