Nut Lock

Enhance your heavy equipment’s performance with the Case Construction Nut Lock #230-4218. Designed for durability and reliability, this essential component ensures secure fastening, keeping your machinery running smoothly on the toughest job sites. Perfect for Case equipment maintenance and repairs.

Compatible equipment

This part fits DAVIS TASKFORCE SUPER TRENCHER, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE CRAWLER TRACTOR, CASE TRIMLINE TRENCHER, CASE UNI-LOADER SKID STEER LOADER (AFTER S/N JAF0069386), CASE UNI-LOADER SKID STEER LOADER (S/N JAF0069587 & AFTER), CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER (NORTH AMERICA), DAVIS FLEETHOE TRENCHER, CASE TRENCHER, CASE SKID STEER LOADER, CASE LONG TRACK CRAWLER TRACTOR, CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA), CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (NORTH AMERICA), DAVIS TRIMLINE TRENCHER, DAVIS TASK FORCE TRENCHER, CASE SKID STEER LOADER - ASN JAF0318922 (NA) JAF0352169 (EU), CASE SKID STEER LOADER - ASN JAF0352234 (NA) JAF0352715 (EU), CASE TURBO TRENCHER, TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), CASE SKID STEER LOADER - ASN JAF0320050 (NA) JAF0274262 (EU), CASE SKID STEER LOADER - ASN JAF0311357 (NA) JAF0274360 (EU), HYDRA-BORER, MAXI-SNEAKER CABLE LAYER, SERIES-B MAXI-SNEAKER CABLE LAYER, SERIES-B MINI-SNEAKER CABLE LAYER, CASE BACKHOE, FLEETLINE 16 4 TRENCHER, FLEETLINE 25 4 TRENCHER, CASE TRENCHER W/1.8L DIESEL ENGINE, CASE TRENCHER W/2.1L ENGINE, TRENCHER - STEERING WHEEL SUPPLEMENT, CASE TRENCHER (S/N 1187961 & AFTER), TRENCHER - QUAD SUPPLEMENT (S/N 1187961 & AFTER), CASE TRENCHER W/LOADER BACKHOE, DAVIS FLEETLINE 70 4 TRENCHER, SNEAKER - SERIES-C TRENCHER, SNEAKER C - 25 4XP TRENCHER, DAVIS MINI-SNEAKER CABLE LAYER, 60 - DAVIS LINE LAYER ATTACHMENT, DAVIS FLEETLINE 30 4 SUPER TRENCHER, DAVIS FLEETLINE 40 4 SUPER TRENCHER, DAVIS FLEETLINE 30 4 TRENCHER, 70 - BACKHOE, DAVIS FLEETLINE 40 4 TRENCHER, CASE UNIT LOADER, CASE FORKLIFT, CASE WHEEL LOADER including models 1000, 1085C, 1150E, 1155E, 120, 1550, 1818, 1825, 1825B, 1835C, 1838, 1840, 1845C, 30, 360, 40XT, 450B, 450C, 455B, 455C, 460, 475, 550, 560, 60XT.

Frequently asked questions

What is the part number?

The manufacturer part number is 230-4218.

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.