Washer

Enhance your heavy equipment performance with the Case Construction Washer #D31450. Designed for durability and efficiency, this essential part ensures optimal operation and longevity for your machinery, keeping your projects running smoothly and effectively.

Compatible equipment

This part fits CASE CRAWLER TRACTOR (S/N 7103001 & AFTER), CASE TORQUE CONVERTER CRAWLER TRACTOR (BEFORE S/N 7109000), CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7109000 TO 7110299), CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER), LOADER AND BACKHOE, BACKHOE, CASE CRAWLER TRACTOR (S/N 3019001 TO 3023000), BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE FOR W7 W9A W9B W10, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, LOADER, BACKHOE FOR CRAWLER MODELS 750 850 1150, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750 850 1150, CASE CRAWLER TRACTOR (S/N 3012301 & AFTER), CASE WHEEL TRACTOR W/LOADER BACKHOE, CASE CONSTRUCTION KING LOADER BACKHOE (S/N 9101501 TO 9102281), CASE SERIES-B CONSTRUCTION KING LOADER BACKHOE (S/N 9102282 TO 9103968, CASE SERIES-B LOADER BACKHOE (S/N 9103967 TO 9105879), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 9111009 & AFTER), CASE CRAWLER TRACTOR (AFTER S/N 7070351), CASE CRAWLER TRACTOR (EUROPE), CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA), CASE CRAWLER TRACTOR (UP TO S/N 7073468) (NORTH AMERICA), CASE WHEEL LOADER, CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER (PRIOR TO S/N 17754000), CASE WHEEL LOADER (S/N 17754000 & AFTER) including models 1000D, 1150, 23, 26, 26B, 26C, 26S, 31, 310F, 32, 32S, 33, 33S, 34, 36, 420C, 480CK, 680CK, 750, 850, 921, 921B, W36.

Frequently asked questions

What is the part number?

The manufacturer part number is D31450.

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.