Electronic Control Unit

Enhance your heavy equipment performance with the Case Construction Electronic Control Unit #47749442. Designed for precision and reliability, this advanced ECU optimizes machine functionality, ensuring efficient operation and reduced downtime on your job site. Upgrade your equipment today!

Compatible equipment

This part fits WHEEL LOADER - TIER 4B (NA), CRAWLER DOZER - TIER 4A, CRAWLER DOZER - TIER 4B, 4WD MOTOR GRADER (LIVERY) - TIER 4, AWD MOTOR GRADER (LIVERY) - TIER 4, AWD MOTOR GRADER MY20 - STAGE V including models 1021G, 1121G, 1150M LT, 1150M WT, 1150M WT/LGP, 1650M LGP PAT, 1650M WT/LGP, 1650M XLT, 1650M XLT BD, 1650M XLT PAT, 2050M LGP BD, 2050M LGP PAT, 2050M LT, 2050M LT BD, 2050M LT PAT, 2050M WT/LGP, 2050M XLT BD, 2050M XLT PAT, 521G, 621G, 721G, 750M LT, 750M WT, 750M WT/LGP, 821G.

Frequently asked questions

What is the part number?

The manufacturer part number is 47749442.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.