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

  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat D6K2 Dozer for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat D6K2 Dozer. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat D6K2 Dozer

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat D6K2 dozer. Net power of Cat C4.4 Acert engine is 130hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat D5K2 Dozer for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat D5K2 Dozer. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat D5K2 Dozer

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat D5K2 dozer. Net power of Cat C4.4 Acert engine is 104hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat D4K2 Dozer for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat D4K2 Dozer. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat D4K2 Dozer

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat D4K2 dozer. Net power of Cat C4.4 Acert engine is 92hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat D3K2 Dozer for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat D3K2 Dozer. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat D3K2 Dozer

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat D3K2 dozer. Net power of Cat C4.4 Acert engine is 80hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat M318F Wheeled excavator for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat M318F Wheeled excavator. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat M318F Wheeled excavator

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat M318F Wheeled excavator. Net power of Cat C4.4 Acert engine is 161hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat 318FL excavator for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat 318FL excavator. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat 318FL excavator

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat 318FL excavator. Net power of Cat C4.4 Acert engine is 117hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat 316FL excavator for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat 316FL excavator. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat 316FL excavator

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat 316FL excavator. Net power of Cat C4.4 Acert engine is 117hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat 315FL excavator for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat 315FL excavator. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat 315FL excavator

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat 315FL excavator. Net power of Cat C4.4 Acert engine is 97hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 ACERT engine for Cat 313FL excavator for sale

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat 313FL excavator. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: Cat C4.4 ACERT engine for Cat 313FL excavator

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 ACERT engine for Cat 313FL excavator. Net power of Cat C4.4 Acert engine is 92hp.

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat c4.4 acert engine
    Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 engine for Cat CP56BB

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat CP56BB. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: C4.4

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 engine for Cat CP56B

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 engine for Cat CS64B

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat CS64B. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: C4.4

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 engine for Cat CS64B

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  • Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 Acert engine
    Cat C4.4 engine for Cat CS66B

    We stock new surplus and rebuilt C4.4 Caterpillar industrial engines with nationwide delivery. Common fits include Cat CS66B. Call +1-855-384-6071 for availability, lead time, and a best-price quote.

    Engine Name: C4.4

    Engine Model: C4.4

    Engine Size: 4.4

    Cat C4.4 engine for Cat CS66B

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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)