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Cat C4.4 engine for sale. We sell both electronic and mechanical injection versions.

Cat C4.4 engine for sale at wholesale prices

The Caterpillar C4.4 engine comes in several configurations depending on emission tier and serial number prefix. Knowing your engine’s serial prefix is the best way to match the correct replacement:

 

  • C4.4 Mechanical / Early Tier 2
    • Common in older CAT skid steers, compactors, and telehandlers.
    • Fuel system: Mechanical injection.
  • C4.4 ACERT Tier 3 (Electronic)
    • Found in mid-generation CAT excavators, loaders, and dozers.
    • Equipped with electronic control module (ECM), improved emissions compliance.
  • C4.4 ACERT Tier 4 Final (Advanced Electronic)
    • Latest generation with DOC/DPF/SCR aftertreatment.
    • Fully electronic, high-pressure fuel system, meets Tier 4 Final / Stage IV emissions

 

?? Tip for customers: Always provide your engine serial number (ESN) before ordering to ensure compatibility. Even within the C4.4 family, flywheel housing, turbo, and fuel system may differ.

Rest assured we always stock a large inventory of Cat C4.4 engines for sale, ready for fast shipping!

The video below shows Cat C4.4 Acert engine.

This video shows Cat C4.4 electronic injection engine.

The video above shows Cat C4.4 electronic injection ( Non Acert)