Sprocket

Enhance your heavy equipment’s performance with the Case Construction Sprocket #MMA80840. Designed for durability and precision, this high-quality sprocket ensures optimal power transfer and longevity, making it an essential component for your Case machinery. Upgrade today for reliable operation!

Compatible equipment

This part fits CASE CRAWLER EXCAVATOR (EUROPE), CASE CRAWLER EXCAVATOR (NORTH AMERICA), CRAWLER EXCAVATOR TIER 3, CRAWLER EXCAVATOR TIER 3 (EU), CRAWLER EXCAVATOR - TIER 3 (ANZ), CRAWLER EXCAVATOR - TIER 3 (CHINA) - S/N NXSFXXXXX, CRAWLER EXCAVATOR - TIER 3 (EAST ASIA), CRAWLER EXCAVATOR - TIER 3 (LATAM) - S/N NXSFXXXXX, CRAWLER EXCAVATOR - TIER 3 (SOUTHEAST ASIA), CRAWLER EXCAVATOR - TIER 3 (TURKEY) - S/N NXEFXXXXX, CRAWLER EXCAVATOR - TIER 4 (EU), CRAWLER EXCAVATOR - TIER 4 (NA), CRAWLER EXCAVATOR STD W/BLADE - TIER 3 (LATAM) - S/N NXSFXXXXX, CRAWLER EXCAVATOR W/BLADE - TIER 3 (ANZ), LONG CARRIAGE - CRAWLER EXCAVATOR - TIER 3 (ANZ), 8 - CRAWLER EXCAVATOR - TIER 3 (CHINA), CRAWLER EXCAVATOR STD W/BLADE - TIER 4B (EU) - S/N NXE7XXXXX, CRAWLER EXCAVATOR STD W/BLADE - TIER 4B (NA), LONG CARRIAGE - CRAWLER EXCAVATOR - TIER 4B (EU) - S/N NXE7XXXXX, LONG CARRIAGE - CRAWLER EXCAVATOR - TIER 4B (EU) - S/N NXLAXXXXX, LONG CARRIAGE - CRAWLER EXCAVATOR - TIER 4B (NA), LONG CARRIAGE - LONG REACH - CRAWLER EXCAVATOR - TIER 4B (EU), CASE CRAWLER EXCAVATOR - REXQUOTE (EUROPE), CRAWLER EXCAVATOR (NORTH AMERICA), CRAWLER EXCAVATOR - TIER 4 (NON-EU), 2 PIECE BOOM - CRAWLER EXCAVATOR STD W/BLADE - TIER 4B (EU), CRAWLER EXCAVATOR - LONG CARRIAGE - STAGE V (EU), CRAWLER EXCAVATOR - LONG CARRIAGE 2 PIECE BOOM - STAGE V (EU), CRAWLER EXCAVATOR - W/BLADE - STAGE V (EU), CRAWLER EXCAVATOR - W/BLADE - STAGE V (ISRAEL), CRAWLER EXCAVATOR - W/BLADE 2 PIECE BOOM - STAGE V (EU), LONG CARRIAGE - 2 PIECE BOOM - CRAWLER EXCAVATOR - TIER 4B (EU) including models CX130, CX130B, CX130C, CX130C LC, CX130C STD W/BLADE, CX130D, CX130D LC, CX130D LC LR, CX135SR, CX145C SR, CX145D SR, CX145D SR LC, CX145D SR LC W/BLADE, E145C EVO.

Frequently asked questions

What is the part number?

The manufacturer part number is MMA80840.

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.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.