Caterpillar C13 ACERT Engine 13.0L for Sale | Cat ACERT Inline 6 Diesel

$10,999.00

Product Overview & Specifications

In Stock, Multiple Year Ranges Available
Free Shipping to All 50 States via Crated Freight, 7 to 14 Business Days
All 6 Cylinders Compression Tested, Results Available Before You Pay
ECM Configuration Documented (CAT proprietary ACERT engine management)
ACERT Variant Confirmed (Specific Tier 4 / Stage V Configuration)
Cylinder Head and Liner Inspection
HPCR Injector Function Verified
Donor Application Documented (On-Highway Truck, Construction, Industrial, Marine)
100% Fitment Verified Before Every Order Ships
No Core Charge, Keep Your Old Engine
15 Day Replacement Warranty on Internal Defects

100% Fitment Assistance

15 Days Replacement Warranty

Free & Fast Shipping

Category: Engine

Description
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Used Caterpillar C13 ACERT Engine 13.0L for Sale

The Caterpillar C13 ACERT Engine is a robust 13.0L inline 6-cylinder engine, renowned for its power and torque, suitable for heavy-duty on-highway trucks, construction equipment, and industrial machinery. It offers 335 to 525 horsepower and 1,350 to 1,850 lb-ft of torque. Equipped with a liquid-cooled system and high-pressure common rail (HPCR) fuel system, it ensures optimal operating temperatures, enhanced fuel efficiency, and reduced emissions. Complying with Tier 4 Final / Stage V emissions standards, the engine incorporates ACERT technology and a high-pressure common rail fuel system, optimizing fuel efficiency and performance.

Known for reliability and durability, the C13 ACERT is built with high-quality materials and undergoes rigorous Caterpillar testing. It features advanced electronic controls for smooth operation under various conditions. Maintenance is facilitated by Caterpillar‘s extensive support network, authorized service centers, and readily available spare parts. Advanced diagnostics and sensors help monitor performance and identify issues, ensuring timely maintenance and minimal downtime.

Key Features of the Caterpillar C13 ACERT Engine

Renowned for robust performance and advanced ACERT emissions technology

Turbocharged with aftercooler system for enhanced performance and efficiency

Electronic Control Module (ECM) for optimized engine management with CAT proprietary diagnostics

High-Pressure Common Rail (HPCR) fuel injection technology for fuel efficiency and emissions control

Proven reliability and durability across on-highway and off-highway applications

High torque output for superior hauling capability up to 1,850 lb-ft

Meets stringent Tier 4 Final and Stage V environmental standards with ACERT

Easy maintenance with accessible engine components and CAT dealer network support

Extensive parts availability simplifies repairs and upgrades

Reprogrammable vehicle operating parameters through CAT ET diagnostics

ACERT Technology Explained

ACERT stands for Advanced Combustion Emission Reduction Technology. It’s Caterpillar’s proprietary multi-system emissions approach that combines high-pressure common rail fuel injection, advanced air management (twin turbochargers in some variants), aftertreatment systems including DPF and SCR (where applicable), and CAT ECM controls. ACERT was Caterpillar’s path to meeting EPA Tier 4 emissions without re-architecting the base engine, which is why the C13 ACERT retains the proven C13 architecture while adding modern emissions compliance.

Signs You Need a Replacement C13 ACERT

Loss of compression on one or more cylinders during dyno or in-frame test

Cylinder head crack symptoms (coolant loss, white smoke, hard start)

Excessive blowby past piston rings (sign of bore wear or ring failure)

Connecting rod or main bearing knock under load

Oil consumption above factory spec for the engine’s age

ECM diagnostic codes pointing to internal mechanical issues

Aftertreatment failure that has damaged the engine (DPF clog with backpressure damage, etc.)

Donor truck or equipment has been totaled or sold for parts and the engine is being moved to a new chassis

Repower of a Class 8 truck, construction excavator, generator, or marine vessel that originally received its C13 ACERT from new

Known Cat C13 ACERT Issues We Inspect Before Shipping

Cylinder head cracks: A documented C-series weakness similar to the older 3406 family. We pressure test or visually inspect heads before shipping.

HPCR injector wear: Common rail injectors have a service-replace nature. We note injector functionality where inspectable.

Aftertreatment system condition: DPF, DOC, and SCR (where applicable) condition documented on every unit.

EGR cooler integrity: Inspected for cracks and coolant ingress to combustion chamber.

Liner and piston inspection through bore where accessible.

CAT ECM functionality verified before shipping.

engine-family	ACERT, Caterpillar C-Series
type	Diesel Engine, heavy duty
displacement	13.0 liters
configuration	Inline 6-cylinder
aspiration	Turbocharged with aftercooler
cooling-system	Water-cooled
fuel-system	High-Pressure Common Rail (HPCR)
horsepower	Up to 520 hp (335 to 525 hp range)
torque	350 to 1, 750 lb-ft (1, 850 lb-ft range), Up to 1
emissions	EPA compliant (varies by model year), Tier 4 Final / Stage V)
combustion-technology	ACERT
manufacturer	Caterpillar Inc.
applications	construction equipment, Heavy-duty trucks, industrial applications
compatibility	2000 Caterpillar C13 ACERT Engine and cross-fit applications
price	$10, $999.00

FAQs

What applications is the C13 ACERT Engine suitable for?

It is commonly used in heavy-duty Class 8 on-highway trucks (Kenworth, Peterbilt, Freightliner with CAT option), construction equipment, industrial generators, marine vessels, and agricultural machinery. The ACERT variant specifically meets Tier 4 Final / Stage V emissions standards.

How does the C13 ACERT Engine manage emissions?

The engine meets stringent EPA Tier 4 Final and EU Stage V environmental standards through Caterpillar’s Advanced Combustion Emission Reduction Technology (ACERT). ACERT integrates HPCR fuel injection, advanced air management, EGR, and aftertreatment systems (DPF, DOC, and SCR where applicable) to reduce emissions while maintaining power.

Is the C13 ACERT Engine easy to maintain?

Yes. The engine is designed for accessibility with major service points (oil filter, fuel filter, air filter, water filter) easily reachable. Caterpillar’s extensive global dealer network ensures parts availability and CAT-trained service technicians anywhere in North America.

What type of fuel system does the C13 ACERT Engine use?

The C13 ACERT uses an advanced high-pressure common rail (HPCR) fuel system with electronically controlled injectors. This is a step up from older mechanical pump-and-line systems and the EUI system used on earlier C-series engines. HPCR enables higher injection pressures, multiple injection events per cycle, and finer emissions control.

How reliable is the C13 ACERT Engine?

The engine is well-regarded for reliability and durability in demanding applications when properly maintained. Common service intervals include oil changes every 25,000 to 35,000 miles for fleet service, fuel filter every 30,000 miles, aftertreatment regeneration as automated by ECM. Many fleet C13 ACERT engines log 800,000+ miles between major rebuilds.

What kind of power output can be expected from the C13 ACERT Engine?

The C13 ACERT is rated 335 to 525 hp depending on tune and application, with peak torque of 1,350 to 1,850 lb-ft. On-highway truck variants are typically tuned 410 to 525 hp. Industrial and generator applications are tuned to specific RPM and load profiles.

What’s the difference between the C13 and the C13 ACERT?

The base C13 was the original platform (2003+). The C13 ACERT specifically refers to the post-2007 variant equipped with ACERT emissions technology to meet EPA 2007 and later Tier 4 emissions standards. The ACERT variant adds aftertreatment, HPCR fuel system upgrades, and revised ECM tuning. Both share the same base block architecture.