CATERPILLAR C18 ENGINE FOR SALE

$44,999.00

Product Overview & Specifications

In Stock, Caterpillar C18 Engines Available
Free Shipping to All 50 States via Heavy Freight, 7 to 14 Business Days
Donor Application Confirmed (Marine / Construction / Mining / Oil and Gas / Agriculture / Forestry / Rail / Generator)
Hours on Engine Documented (from ECU or service log)
All 6 Cylinders Compression Tested
Electronic Unit Injection Function Verified
Turbocharger and Aftercooler Condition Assessed
Oil Pressure Verified at Idle and Operating Temperature
ACERT / Electronic Controls Operation Confirmed
ECU Calibration Documented
Cooling System Inspected
Block Visual Inspection

100% Fitment Assistance

15 Days Replacement Warranty

Free & Fast Shipping

Category: Engine

Description
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Affordable Caterpillar C18 Engine for Sale

The Caterpillar C18 engine is a textbook example of long-term industrial engineering and reliable power generation. This Inline-6 diesel engine’s exceptional durability makes it appropriate for numerous difficult applications, proven across industries including marine propulsion (launching maritime vessels across turbulent waters), critical backup generator power, construction (versatility in operating large equipment with consistent power output), mining (capacity to survive harsh environments), and oil and gas service (frac pumps and drilling rig power). The C18 model is equipped with ACERT technology that may contribute to enhanced performance while adhering to strict EPA Tier 3 and IMO I emissions regulations.

Why Choose a Caterpillar C18 Engine for Sale?

The Caterpillar C18 is renowned for its:

ACERT Technology: Advanced Combustion Emission Reduction Technology enhances combustion efficiency and reduces emissions to meet EPA Tier 3 and IMO I standards

Electronic Fuel Injection: Precise fuel delivery via electronic unit injectors for optimal performance and emissions

Turbocharging and Aftercooling: Improves power density and fuel efficiency across the operating range

Robust Cast Iron Block Design: Ensures durability in the most demanding industrial applications

Advanced Monitoring Systems: Provides real-time engine diagnostics via Cat ET (Electronic Technician) interface

Flexible Mounting Options: Adaptable to various installation requirements across marine, mobile, and stationary applications

Low Oil Consumption: Reduces operating costs and maintenance needs across long service intervals

Cold Start Capability: Reliable operation in diverse climates from arctic to tropical

Multiple Configuration Options: Customizable to specific application needs (power rating, exhaust configuration, accessory drives)

Long Service Intervals: Minimizes downtime and maintenance frequency across the operating life

The Cat C18 Engine Fits

The C18 has been installed in an exceptionally broad range of equipment across multiple industries:

Marine Applications:

Luxury Motor Yachts: Sunseeker 95 Yacht, Westport 112 Motor Yacht, Viking 92 Convertible Yacht, Hatteras M90 Panacera Yacht

Commercial Marine: Workboats, supply vessels, ferries, fishing vessels

Construction Equipment:

Cat 374 Excavator (large hydraulic excavator)

Cat 988K Wheel Loader (large production loader)

Caterpillar 992K Wheel Loader (large mining/quarry loader)

Caterpillar D9T Dozer (large track-type tractor)

Mining:

Cat 785 Mining Truck (off-highway haul truck)

Cat D11 Dozer (massive mining track-type tractor)

Oil and Gas:

Schlumberger QHSE Frac Pump

Nabors PACE-X800 Drilling Rig

Schramm T200XD Drilling Rig

Agriculture:

Case IH Steiger 620 Tractor

John Deere S790 Combine Harvester

Challenger MT875E Tractor

Fendt 1100 Vario MT Tractor

Forestry:

Tigercat LH855E Harvester

Morbark 6400XT Wood Hog

Rail:

EMD GT46AC Locomotive (as auxiliary power unit)

Emergency Services and Power:

Caterpillar XQ570 Mobile Generator Set

Caterpillar XQ2000 Generator Set

Caterpillar C18 ACERT Generator Set (standby and prime power)

Benefits of Choosing Our Caterpillar C18 Engine

Competitive pricing on all condition options

Extensive inventory of Cat C18 engines for sale

Nationwide shipping and delivery via heavy freight carriers

Donor application documented (mining vs marine vs construction vs generator)

Hours-on-engine recorded from ECU data or service log

Why Buy a Used Cat C18 Engine?

Opting for this used Cat C18 engine for sale can offer significant cost savings without compromising on quality. Our rigorous inspection and reconditioning processes ensure that every engine meets strict performance standards. With new C18 long blocks costing $75,000-$125,000+ and Cat reman units $55,000-$85,000, a quality used C18 at $44,999 represents substantial savings for applications where rebuild service life is acceptable.

aspiration	Turbocharged and aftercooled
bore-x-stroke	145 mm x 183 mm
compression-ratio	14.5:1 to 16.1:1
cooling-system	Liquid cooled
electrical-system	24V
emissions	Meets various standards including EPA Tier 3 and IMO I
fuel-system	Electronic unit injection
fuel-type	Diesel
valvetrain	Four valves per cylinder, overhead cam
engine-type	Inline 6-cylinder diesel
displacement	105 cu in), 18.1 liters (1
power-output	475 to 800 HP
torque	1, 525 lb-ft, 750 to 2
manufacturer	Caterpillar
compatibility	1995 Caterpillar C18 Engine
price	$44, $999.00

FAQs

Is the C18 suitable for standby power generation?

Yes, the C18 is commonly used in standby and prime power generation systems. Caterpillar produces the C18 in dedicated generator set configurations (e.g. XQ570 mobile gensets, XQ2000 prime power gensets) for emergency power, telecommunications backup, oil field service, and industrial standby applications.

What are the main applications for the C18 engine?

The main C18 applications are marine propulsion (luxury yachts and commercial workboats), industrial power generation (standby and prime power), construction equipment (large excavators, wheel loaders, dozers), mining (haul trucks and large dozers), oil and gas (frac pumps and drilling rigs), agriculture (large tractors and combines), forestry (harvesters and wood hogs), and rail (auxiliary power units on locomotives).

What is the power range of the C18?

Typically 475 to 800 horsepower, depending on configuration, calibration, and application. Marine ratings are typically the higher end (700-800 HP), while continuous-duty generator and mining applications are typically calibrated to the lower-middle end (475-600 HP) for longer service life.

What emission standards does the C18 meet?

The C18 meets various standards including EPA Tier 3 (for industrial and construction applications) and IMO I and IMO II for marine applications. Newer C18 variants are also available in EPA Tier 4 Final configurations. The ACERT technology variant adds advanced emissions controls.

How often does the C18 require maintenance?

Maintenance intervals vary by application, but the C18 is generally designed for long service intervals: oil change typically every 500 hours (or every 250 hours in severe-duty applications), fuel filters at oil service, coolant service every 6,000 hours or 3 years. Major service intervals (turbocharger, injector overhaul) typically every 10,000-15,000 hours. Genset applications follow Caterpillar’s standby and prime power maintenance schedules.

What is ACERT technology?

ACERT stands for Advanced Combustion Emission Reduction Technology, Caterpillar’s proprietary system combining cooled EGR (exhaust gas recirculation), advanced electronic fuel injection, optimized combustion chamber design, and aftertreatment to reduce NOx and particulate emissions while maintaining or improving performance. The ACERT C18 variants meet EPA Tier 3 and IMO I standards.

Is the C18 available in different configurations?

Yes, the C18 is offered in multiple configurations including marine (with seawater-cooled aftercooler, marine accessory drives), industrial mobile (construction equipment), industrial stationary (generators), and specialty applications (oil and gas, mining). Each configuration features specific accessories, exhaust routing, cooling system, and ECU calibration.

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