Caterpillar C4.4 Industrial Diesel Engine
Engine Model: Cat C4.4
The Cat C4.4 is a widely used industrial diesel engine platform built for dependable power in construction, material handling, agriculture, and general industrial applications. It is commonly offered in multiple ratings and emissions configurations depending on region and machine type.
- Construction equipment (loaders, compactors, aerial lifts, etc.)
- Industrial machines (compressors, pumps, hydraulic power units)
- Material handling and specialty equipment
- Strong low-RPM torque for worksite duty cycles
- Designed for long service intervals with proper maintenance
- Multiple emissions tiers depending on build and market
- This listing is for the C4.4 engine platform — confirm exact arrangement/build using engine serial and equipment model.
- Accessories and aftertreatment vary by emissions tier and machine.
Send your engine serial number (ESN) or machine model to confirm the correct configuration.
Warranty & Shipping
- 365-Day Replacement Warranty – Full coverage against defects for one year.
- 30-Day Money-Back Guarantee – Return for any reason within 30 days.
- Free Worldwide Shipping – No hidden fees, shipped via DHL, FedEx, or UPS.
Pairs well with
Free Worldwide Shipping (No Hidden Fees)
30 Day Money Back Guarantee
365 Days Replacement Warranty
In Stock – Ships within 5-8 business days
VIN / ESN Verification Before Shipping
Caterpillar C4.4 Industrial Diesel Engine
Detailed Product Description.
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FAQs
How do I confirm this ECM or ECU is compatible?
Match your old ECM part number, engine model, machine model, engine serial number, connector type, and ECM label before ordering. If you are unsure, send us clear photos of your old ECM or ECU label and connectors.
Does this ECM or ECU require programming?
Many diesel ECMs, ECUs, and engine control modules require programming, calibration, or parameter setup after installation. We strongly recommend installation and programming by a qualified diesel technician.
What information should I provide before ordering an ECM?
Please provide the old ECM part number, engine model, machine model, engine serial number, VIN if applicable, ECM label photo, connector photos, and any fault codes or technician notes if available.
Can I install an ECM myself?
Professional installation is recommended. Incorrect installation, wrong programming, wiring faults, wrong voltage, poor grounding, or incompatible application can damage the ECM and may affect warranty coverage.
Can a wrong ECM damage my engine or machine?
Using an incorrect ECM, ECU, or electronic control module can cause fault codes, performance issues, damage, or failure. Always verify part number, connector type, engine model, and application before installation.