Seal

Enhance your Case Construction equipment’s performance with Seal #S78837. Designed for durability and precision, this high-quality seal ensures optimal sealing and protection, extending the life of your machinery. Trust Case for reliable parts that keep you moving forward.

Compatible equipment

This part fits CASE CRAWLER EXCAVATOR, CASE LOGGER CRAWLER EXCAVATOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER), DROTT SERIES-B CRAWLER EXCAVATOR, DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6270716 & AFTER), DROTT SERIES-E CRAWLER EXCAVATOR (S/N 6271140 & AFTER), DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-A CRAWLER EXCAVATOR, CASE SERIES-E CRAWLER EXCAVATOR (S/N 6280543 & AFTER), DROTT SERIES-B CRAWLER EXCAVATOR (S/N 550 & AFTER), DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6279926 & AFTER), CASE CRAWLER EXCAVATOR (S/N 6203751 & AFTER) including models 1080, 1080B, 1187, 1187B, 1187C, 1280, 1280B, 35, 35EC, 35YC, 40, 40BLC, 40EC, 40YC, 50, 880, 880B, 880C, 880D, 980, 980B.

Frequently asked questions

What is the part number?

The manufacturer part number is S78837.

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.