280375 - OEM NUT LOCK - CASE CONSTRUCTION
280375 - OEM NUT LOCK - CASE CONSTRUCTION
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CASE CONSTRUCTION OEM Part No. 280375

Nut Lock

Case Construction ·144 Fitments

$1.40 USD · per unit In stock · 15 on hand
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
Machine Model Years
CASE TERRATRAC CRAWLER TRACTOR (S/N 7010001 TO 7100001) 1000 1961 – 1962
CASE TERRATRAC CRAWLER TRACTOR (S/N 7103001 & AFTER) 1000C 1959 – 1963
CASE CRAWLER TRACTOR (S/N 7103001 & AFTER) 1000D 1960 – 1966
CASE TORQUE CONVERTER CRAWLER TRACTOR (BEFORE S/N 7109000) 1150 1965 – 1974
CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7109000 TO 7110299) 1150 1968 – 1974
CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER) 1150 1969 – 1974
CASE CRAWLER TRACTOR 1150B 1973 – 1984
CASE CRAWLER TRACTOR (NORTH AMERICA) 1150C 1978 – 1984
CASE CRAWLER TRACTOR 1150D 1976 – 1986
CASE CRAWLER TRACTOR 1150E 1985 – 1994

Enhance your heavy equipment’s performance with the Case Construction Nut Lock #280375. Designed for durability and reliability, this essential component ensures secure fastening, minimizing downtime and maximizing efficiency on the job site. Trust Case for quality and precision.

Compatible equipment

This part fits CASE TERRATRAC CRAWLER TRACTOR (S/N 7010001 TO 7100001), CASE TERRATRAC CRAWLER TRACTOR (S/N 7103001 & AFTER), 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), CASE CRAWLER TRACTOR, CASE CRAWLER TRACTOR (NORTH AMERICA), CASE UNI-LOADER SKID STEER LOADER (NORTH AMERICA), LOADER AND BACKHOE, BACKHOE, LOADER, DROTT CRAWLER EXCAVATOR (S/N 1 TO 599), CASE FORKLIFT, CASE CRAWLER TRACTOR (S/N 3012301 TO 3014509), CASE CRAWLER TRACTOR (S/N 3019001 TO 3023000), CASE CRAWLER TRACTOR (S/N 3023001 TO 3032301), CASE CRAWLER TRACTOR (S/N 3032301 TO 3039619), CASE CRAWLER TRACTOR (S/N 3039619 & AFTER), 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, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750 850 1150, CASE LOADER BACKHOE ATTACHMENTS, LOADER AND BACKHOE FOR 580CK SERIES B, CASE TRENCHER, CASE SKID STEER LOADER, SKID STEER - 410 NA BSN N7M480924 410 EU BSN N7M468736, CASE CRAWLER TRACTOR (S/N 3012301 TO 3014316), CASE CRAWLER TRACTOR (S/N 3012301 & AFTER), CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436), CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306), CASE CRAWLER TRACTOR (S/N 3060306 & AFTER), CASE LONG TRACK CRAWLER TRACTOR, CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169), CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE WHEEL TRACTOR W/LOADER BACKHOE, CASE CONSTRUCTION KING FORKLIFT, IND - CASE CRAWLER TRACTOR, CASE CONSTRUCTION KING FORKLIFT TRACTOR, CASE SKID KING WHEEL LOADER, CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, 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 CONSTRUCTION KING LOADER BACKHOE, CASE TELESCOPIC HANDLER, CASE CRAWLER TRACTOR (AFTER S/N 7070351), CASE SKID STEER LOADER - ASN JAF0318922 (NA) JAF0352169 (EU), CASE CRAWLER TRACTOR (UP TO S/N 7083999), CASE INDUSTRIAL CRAWLER TRACTOR (AFTER S/N 7084000), CASE CRAWLER TRACTOR (EUROPE), CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA), CASE CRAWLER TRACTOR (UP TO S/N 7073468) (NORTH AMERICA), CASE SKID STEER LOADER - ASN JAF0352234 (NA) JAF0352715 (EU), CASE TURBO TRENCHER, TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), CASE CRAWLER EXCAVATOR, CASE SKID STEER LOADER - ASN JAF0320050 (NA) JAF0274262 (EU), CASE SKID STEER LOADER - ASN JAF0311357 (NA) JAF0274360 (EU), FLEETLINE 25 4 TRENCHER, CASE TRENCHER W/1.8L DIESEL ENGINE, CASE TRENCHER W/2.1L ENGINE, CASE TRENCHER (S/N 1187961 & AFTER), DAVIS FLEETLINE 70 4 TRENCHER, SNEAKER - SERIES-C TRENCHER, SNEAKER C - 25 4XP TRENCHER, TRACTOR - TIER 4A (NA) - S/N ZXXT5XXXX, CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER, CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) including models 1000, 1000C, 1000D, 1150, 1150B, 1150C, 1150D, 1150E, 1150G, 1150H, 1155D, 1155E, 1450, 1450B, 1455B, 1550, 1845C, 23, 26, 26B, 26S, 30YC, 30YM, 310B, 310D.

Frequently asked questions

What is the part number?

The manufacturer part number is 280375.

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.

Manufacturer part number
280375
Internal SKU
IC:280375
Brand
CASE CONSTRUCTION
Condition
OEM, new
Category
Case Construction
Weight
0.11 lb

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.

This part appears in these diagrams

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