Get Financing449 - 476 of 2,279 Listings
RentAll
Condition: Rebuilt
Stock Number: 90-0048
Serial Number: THX23102
Description: Good running C9 Eng. Arr., SNº THX23102, Dyno Tested by Peterson Cat
Updated: Tuesday, September 22, 2026 10:16 PM
Location: Washougal, Washington
Seller: Portland Tractor Inc
Condition: Used
Stock Number: IEEN-664-CT
Serial Number: R1A00726
Weight: 15,000 lb
Shipping Length: 120 in
Shipping Width: 84 in
Description: Stock # IEEN- 664-CT
Inventory Sheet
Engine/Pwr Unit Price $ 49,000
Description 3512 CAT Industrial Engine, Frack Spec, 2250 HP @ 1...
Updated: Monday, November 09, 2026 08:30 AM
Location: East Earl, Pennsylvania
Seller: Industrial Engines, LLC
Condition: Used
Stock Number: 3512
Serial Number: RIA00669
Description: Engine 3512 COMPLETE 3512 FOR PARTS WITH HOLE IN BLOCK, MISSING PARTS: ECM, harness, ALT, STR, Junk block, crankshaft. SN#RIA00669, AR#283-9470, 1...
Updated: Friday, November 06, 2026 11:07 AM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Used
Stock Number: 1847
Serial Number: 67Z01444
Description: Description
CAT 3512 DITA Engine Core; 1997 Model – High Hours; 1321HP @ 1200RPM; Heavy Duty Air Cleaners; Air Starter; HMSO; Good Rebuildable Cor...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Used
Stock Number: 1846
Serial Number: 67Z01449
Description: Description
CAT 3512 DITA Engine Core; 1997 Model – High Hours; 1321HP @ 1200RPM; Heavy Duty Air Cleaners; Air Starter; HMSO; Good Rebuildable Cor...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Used
Stock Number: 264-4641
Serial Number: LLF00506
Description: Engine Complete
PowerType: Diesel
Updated: Friday, November 06, 2026 11:08 AM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Used
Stock Number: 175-5285
Serial Number: 8BR
Description: Engine Complete
PowerType: Diesel
Updated: Friday, November 06, 2026 11:07 AM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Used
Stock Number: A 1038R
Serial Number: MSY
Description: Engine Complete
PowerType: Diesel
Updated: Friday, November 06, 2026 11:07 AM
Location: Chicago, Illinois
Seller: Diesel Sales
Condition: Core
Stock Number: 1714
Serial Number: 4AW01149
Description: Used CAT 3512B Land Electric Engine; 2005 Model – 47,300 Hours; 1476HP @ 1200RPM; Tier 1 Emissions; Heavy Duty Oilfield Skid; ACE Cooler Radiator; ...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Core
Stock Number: 1713
Serial Number: 4AW01149
Description: Used CAT 3512B Land Electric Engine; 2005 Model – High Hours; 1476HP @ 1200RPM; Tier 1 Emissions; Heavy Duty Oilfield Skid; ACE Cooler Radiator; Mo...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Core
Stock Number: 1712
Serial Number: 4AW01148
Description: Used CAT 3512B Land Electric Engine; 2005 Model – High Hours; 1476HP @ 1200RPM; Tier 1 Emissions; Heavy Duty Oilfield Skid; ACE Cooler Radiator; Mo...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Core
Stock Number: 1715
Serial Number: 4AW01147
Description: Used CAT 3512B Land Electric Engine; 2005 Model – 36,978 Hours; 1476HP @ 1200RPM; Tier 1 Emissions; Instrument Panel; CAT & Kato Generator End Opti...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Used
Stock Number: 1887
Serial Number: 4AW01222
Description: Used CAT 3512B Land Electric Engine; 2005 Model – High Hours; 1476HP @ 1200RPM; Tier 1 Emissions; Instrument Panel; CAT & Kato Generator End Option...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Used
Stock Number: 1893
Serial Number: 4AW01593
Description: Used CAT 3512B Land Electric Engine; 2006 Model – High Hours; 1476HP @ 1200RPM; Tier 1 Emissions; Instrument Panel; CAT & Kato Generator End Option...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Quantity: 5
Condition: Used
Stock Number: 1892
Description: Used CAT 3512B Land Electric Engine; 2001 Model – High Hours; 1476HP @ 1200RPM; Tier 1 Emissions; No Instrument Panel; CAT & Kato Generator End Opt...
Updated: Wednesday, September 16, 2026 11:20 AM
Location: Spring, Texas
Seller: NineX Power Systems
Quantity: 2
Condition: Used
Stock Number: 1828
Weight: 15,000 lb
Description: High Hour CAT 3512B Industrial Well Service Engine; Rebuildable Core – No Major Failures; 2250 HP @ 1900RPM; SCAC Configuration; Tier 1 Emissions; ...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Quantity: 2
Condition: Core
Description: CORE ENGINE / PART NUMBER 121--5785 - PRICE OUTRIGHT / FIT 785B TRUCKS // MISSING SOME PARTS
Updated: Friday, September 11, 2026 08:17 AM
Location: Medley, Florida
Seller: MBR DYNAMIC PARTS CORP
Condition: Rebuilt
Description: Rebuilt 3512B Caterpillar Engine
ENGINE IS BUILT UPON ORDER AND SUBJECT TO PART AVAILABILTY.
Industrial Diesel Inc. offers a broad range of re...
Updated: Wednesday, October 14, 2026 09:43 AM
Location: Decatur, Texas
Seller: Industrial Diesel Inc.
Condition: Used
Stock Number: IEEN-637-CT
Serial Number: WF300508
Weight: 15,000 lb
Shipping Length: 121 in
Shipping Width: 84 in
Description: Stock # IEEN- 637-CT
Inventory Sheet
Engine/Pwr Unit Price $ 59,500
Description 3512C CAT Industrial Engine, Frack Spec, 2250 HP @ ...
Updated: Monday, November 09, 2026 08:30 AM
Location: East Earl, Pennsylvania
Seller: Industrial Engines, LLC
Condition: Used
Stock Number: IEEN-662-CT
Serial Number: WF300100
Weight: 15,000 lb
Shipping Length: 120 in
Shipping Width: 84 in
Description: Stock # IEEN- 662-CT
Inventory Sheet
Engine/Pwr Unit Price $ 55,000
Description 3512 CAT Industrial Engine, Frack Spec, 2250 HP @ 1...
Updated: Monday, November 09, 2026 08:30 AM
Location: East Earl, Pennsylvania
Seller: Industrial Engines, LLC
Condition: Used
Stock Number: IEEN-679-CT
Serial Number: WF300410
Weight: 15,000 lb
Shipping Length: 120 in
Shipping Width: 84 in
Description: Stock # IEEN- 679-CT
Inventory Sheet
Engine/Pwr Unit Price $ 45,000
Description 3512C Caterpillar Industrial Frack Spec Engine, 225...
Updated: Monday, November 09, 2026 08:30 AM
Location: East Earl, Pennsylvania
Seller: Industrial Engines, LLC
Condition: Used
Stock Number: IEEN-639-CT
Serial Number: R1A00993
Weight: 15,000 lb
Shipping Length: 130 in
Shipping Width: 90 in
Description: Stock # IEEN- 639-CT
Inventory Sheet
Engine/Pwr Unit Price $ 39,500
Description 3512C CAT Industrial Engine, Frank Spec., 2250 HP @...
Updated: Monday, November 09, 2026 08:30 AM
Location: East Earl, Pennsylvania
Seller: Industrial Engines, LLC
Condition: Used
Stock Number: MPS1846
Serial Number: R1A01662
Description: Caterpillar 3512C ATAAC Core Engine – MPS1845/1846 – SN: R1A01667/R1A01662 – 2012 DOM – Can Quote 0 Hour Overhaul Or Sell As Is – 2 Units Available...
Updated: Tuesday, November 03, 2026 07:22 AM
Location: Katy, Texas
Seller: McKain Power Systems Consulting, LLC
Condition: Used
Stock Number: MPS1845
Serial Number: R1A01667
Description: Caterpillar 3512C ATAAC Core Engine – MPS1845/1846 – SN: R1A01667/R1A01662 – 2012 DOM – Can Quote 0 Hour Overhaul Or Sell As Is – 2 Units Available...
Updated: Tuesday, November 03, 2026 07:22 AM
Location: Katy, Texas
Seller: McKain Power Systems Consulting, LLC
Condition: Used
Stock Number: 1837
Serial Number: LLA01505
Description: Used CAT 3512C Land Electric Engine; 2008 Model – High Hours; 1476HP @ 1200RPM; Tier 2 Emissions; Heavy Duty Air Cleaner Housings; Minor Fire Damag...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Used
Stock Number: 1671
Serial Number: LLA01020
Description: Zero Hour Rebuilt CAT 3512C Land Electric Engine; 2007 Model; 1476HP @ 1200RPM; Tier 2 Emissions; Rebuild Completed by CAT Dealer w. CAT Parts; CAT...
Updated: Tuesday, October 20, 2026 06:04 PM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Used
Stock Number: 1672
Serial Number: LLA03797
Description: Top End Overhaul CAT 3512C Land Electric Engine; 2007 Model; Zero Hours Since Top End Overhaul; 1476HP @ 1200RPM; Tier 2 Emissions; Overhaul Comple...
Updated: Tuesday, October 20, 2026 06:05 PM
Location: Spring, Texas
Seller: NineX Power Systems
Condition: Used
Stock Number: 1831
Serial Number: LLA02658
Description: Used CAT 3512C Land Electric Engine; 2011 Model – High Hour Core; 1476HP @ 1200RPM; Tier 2 Emissions; Missing: Air Cleaners, Starter, Instrument Pa...
Updated: Wednesday, September 02, 2026 07:55 AM
Location: Spring, Texas
Seller: NineX Power Systems
