Nut Lock

Enhance your heavy equipment’s performance with the Case Construction Nut Lock #86625057. Designed for durability and reliability, this essential part 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 CASE AGRI-KING TRACTOR (PRIOR TO S/N 8675001), CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER), CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE AGRI-KING DIESEL TRACTOR, CASE CRAWLER TRACTOR, CASE CRAWLER TRACTOR (NORTH AMERICA), CASE AGRI-KING TRACTOR (PRIOR TO S/N 8736001), CASE AGRI-KING TRACTOR (S/N 8736001 & AFTER), CASE AGRI-KING TRACTOR (PRIOR TO S/N 8727601), CASE AGRI-KING TRACTOR (S/N 8727601 & AFTER), INTERNATIONAL HARVESTER COTTON HARVESTER, INTERNATIONAL HARVESTER COMBINE (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE (NORTH AMERICA), INTERNATIONAL HARVESTER COMBINE (EUROPE), INTERNATIONAL HARVESTER HILLSIDE COMBINE, CASE IH AXIAL-FLOW COMBINE, CASE DIESEL TRACTOR, CASE AGRI-KING TRACTOR (''''SPIRIT OF ''76'''' OPTION), CASE IH AXIAL-FLOW COMBINE (S/N JJC0032630 & AFTER) (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE (PRIOR TO S/N JJC0034705) (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE (S/N JJC0034705 & AFTER) (NORTH AMERICA), COMBINE SUPPLEMENT, CASE IH AXIAL-FLOW COMBINE (PRIOR TO S/N JJC0038346) (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE (S/N JJC0038346 & AFTER) (NORTH AMERICA), COMBINE SUPPLEMENT (S/N JJC0038346 & AFTER), CASE IH HILLSIDE COMBINE, CASE IH HILLSIDE COMBINE (S/N JJC0080540 & AFTER), CASE IH AXIAL-FLOW COMBINE (PRIOR TO S/N JJC0045689) (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE (S/N JJC0045689 & AFTER) (NORTH AMERICA), SERIES - CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER (NORTH AMERICA), CASE UNI-LOADER SKID STEER LOADER, CASE DIESEL TRACTOR (PRIOR TO S/N 17895000), CASE DIESEL TRACTOR (S/N 17895000 THRU 002 & UP), CASE DIESEL TRACTOR (PRIOR TO S/N 17897500), CASE DIESEL TRACTOR (S/N 17897500 TO 17897505 17897510 & AFTER, CASE IH COTTON EXPRESS COTTON PICKER, CASE IH AXIAL-FLOW COMBINE (NA), INTERNATIONAL TRACTOR, INTERNATIONAL SERIES-A TRACTOR, CASE IH AXIAL-FLOW COMBINE (NA) BTW HAJ292001&HAJ300000, CASE IH AXIAL-FLOW COMBINE (NA) BSN JJC0276540, CASE IH AXIAL-FLOW COMBINE (NA) BTW HAJ292001 & HAJ300000, CASE IH AXIAL-FLOW COMBINE (RU) ASN HAJ300001, CASE TRACTION KING TRACTOR (AFTER S/N 8762940), CASE TRACTION KING TRACTOR (BEFORE S/N 8762940), CASE IH COTTON EXPRESS COTTON PICKER (AFTER S/N JJC0249500), CASE IH COTTON EXPRESS COTTON PICKER (BEFORE S/N JJC0249499), AXIAL-FLOW COMBINE (NA) ASN HAJ0300001, CASE IH AXIAL-FLOW COMBINE (NA) ASN HAJ300001, CASE TRACTION KING TRACTOR, INTERNATIONAL HARVESTER COMBINE (BEAN SPECIAL), CASE IH SELF-PROPELLED WINDROWER (S/N 4501 & AFTER), INTERNATIONAL HARVESTER SELF-PROPELLED WINDROWER, INTERNATIONAL HARVESTER COMBINE, COTTON EXPRESS COTTON PICKER, INTERNATIONAL DIESEL TRACTOR (EUROPE), CASE TRACTOR, CASE IH TRACTOR, CASE LONG TRACK CRAWLER TRACTOR, INTERNATIONAL DIESEL TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, CASE IH SELF-PROPELLED WINDROWER (S/N 1901 & AFTER), AXIAL-FLOW COMBINE (NA), COMBINE - TIER 4 COMMON CAB, COMBINE TIER 4, COMBINE - TIER 4 (NA), COMBINE - TIER 4B (NA), COMBINE - TIER 4B (NA) ASN - YFG014001, MY18 COMBINE TIER 4B (NA), COMBINE - TIER 3, MY20 COMBINE TIER 4B (NA), MY21 COMBINE TIER 4B (NA), CASE WHEEL LOADER (BEFORE S/N JEE0135500), CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT, CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), IND - CASE CRAWLER TRACTOR, LOADER LANDSCAPER, SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600, LOADER LANDSCAPER - LIVERY - TIER 4B, LOADER LANDSCAPER - TIER 4B, LOADER LANDSCAPER - TIER 4A ASN NCC570600, CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING LOADER BACKHOE BEFORE S/N 3739160 (EUROPE), LOADER BACKHOE (NORTH AMERICA), LOADER BACKHOE (NORTH AMERICA) (ASN JJG0020000), SERIES 2 LOADER BACKHOE - ASN JJG0239360, LOADER BACKHOE (NA) - ASN JJG0285001, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C303000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C500000, BACKHOE LOADER (LIVERY) - TIER 3 NRC, BACKHOE LOADER (LIVERY) - TIER 4B, BACKHOE LOADER - TIER 3 NRC, BACKHOE LOADER - TIER 4A - FROM PIN NCC560000, BACKHOE LOADER - TIER 4B, BACKHOE LOADER 2WD - TIER 3 NRC - MY18, BACKHOE LOADER 2WD - TIER 3 NRC - MY19, BACKHOE LOADER 2WD - TIER 4B - MY18, BACKHOE LOADER 2WD - TIER 4B - MY19, BACKHOE LOADER 4WD - TIER 3 NRC - MY18, BACKHOE LOADER 4WD - TIER 3 NRC - MY19, BACKHOE LOADER 4WD - TIER 4B - MY18, BACKHOE LOADER 4WD - TIER 4B - MY19, LOADER BACKHOE (TIER 3), LOADER BACKHOE - TIER 3 NRC, CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE, LOADER BACKHOE - BSN JJG0239361, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C304000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C5040000, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C307000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508000, BACKHOE LOADER - TIER 4A - FROM PIN NCC564000, LOADER BACKHOE - TIER 3, BACKHOE LOADER (LIVERY) - WIDE TRACK - TIER 3 NRC, BACKHOE LOADER (LIVERY) - WIDE TRACK - TIER 4B, BACKHOE LOADER - WIDE TRACK - TIER 4B, BACKHOE LOADER 4WD - WIDE TRACK - TIER 3 NRC - MY18, BACKHOE LOADER 4WD - WIDE TRACK - TIER 3 NRC - MY19, BACKHOE LOADER 4WD - WIDE TRACK - TIER 4B - MY18, BACKHOE LOADER 4WD - WIDE TRACK - TIER 4B - MY19, BACKHOE LOADER WIDE TRACK - TIER 3, BACKHOE LOADER WIDE TRACK - TIER 3 NRC, BACKHOE LOADER WIDE TRACK - TIER 4A, TURBO LOADER BACKHOE, LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C309000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508500, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N7C431854, BACKHOE LOADER - TIER 4A, MY18 COMBINE TIER 4B (EU), CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA), CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER, MODULE EXPRESS COTTON PICKER, MODULE EXPRESS, CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 9111009 & AFTER), COMBINE - TIER 4B (NA) - 2014, COMBINE - TIER 4B (NA) - 2016, INTERNATIONAL HARVESTER COMBINE (PRIOR TO S/N 23001), INTERNATIONAL HARVESTER COMBINE (S/N 23001 & AFTER), CASE COMFORT KING DRAFT-O-MATIC TRACTORS (PRIOR TO S/N 8253500), CRAWLER DOZER - TIER 4A, CRAWLER DOZER - TIER 4B, CASE IH COTTON PICKER, INTERNATIONAL HARVESTER COTTON PICKER, INTERNATIONAL HARVESTER COMBINE (S/N 8001 & AFTER), CASE WHEEL LOADER (S/N JEE0155000 & BEFORE), CASE WHEEL LOADER (S/N JEE0155001 & AFTER), SERIES - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (PRIOR TO S/N 8253500), CASE AGRI-KING TRACTOR (PRIOR TO P.I.N. 8675001), CASE IH STEIGER 4WD TRACTOR (PRIOR TO S/N JCB0003600), CASE IH STEIGER 4WD TRACTOR (S/N JCB0003600 & AFTER), INTERNATIONAL HARVESTER COMBINE (S/N 8000 & BEFORE), CASE IH STEIGER 4WD TRACTOR (FROM S/N 17900650 TO JCB0003599), CASE IH STEIGER 4WD TRACTOR (PRIOR TO S/N 17900650), CASE IH STEIGER 4WD TRACTOR (AFTER S/N 17900649), CASE IH STEIGER 4WD TRACTOR, CASE IH STEIGER POWER SHIFT 4WD TRACTOR (S/N JCB0027096 & AFTER), CASE IH STEIGER SYNCHROSHIFT 4WD TRACTOR (S/N JCB0027096 & AFTER), CASE IH STEIGER 4WD TRACTOR (S/N JCB0027096 & AFTER), CASE IH STEIGER 4WD TRACTOR (S/N JEE0033803 & AFTER), CASE IH 4WD TRACTOR, STEIGER SERIES IV PANTHER TRACTOR, 1325 - STEIGER PANTHER 1000-SERIES POWERSHIFT TRACTOR, 1360 - STEIGER PANTHER 1000-SERIES POWER SHIFT TRACTOR, 1400 - STEIGER PANTHER 1000-SERIES POWERSHIFT TRACTOR, 1225 - STEIGER COUGAR 1000-SERIES RANGE POWERSHIFT TRACTOR, 1280 - STEIGER COUGAR 1000-SERIES RANGE POWERSHIFT TRACTOR, 360 - STEIGER PANTHER SERIES IV TRACTOR, 225 - STEIGER SERIES IV BEARCAT TRACTOR, 280 - STEIGER SERIES IV COUGAR TRACTOR, 325 - STEIGER SERIES IV PANTHER TRACTOR, 360 - STEIGER SERIES IV PANTHER TRACTOR, 1360 - STEIGER PANTHER 1000-SERIES POWERSHIFT TRACTOR, 525 - STEIGER SERIES IV TIGER TRACTOR, 280 - STEIGER COUGAR SERIES IV TRACTOR, 325 - STEIGER PANTHER SERIES IV TRACTOR, TRACTOR LOADER (REVISED 05/2005), STEIGER BEARCAT SERIES III TRACTOR, STEIGER COUGAR SERIES III TRACTOR, STEIGER COUGAR SERIES III AUTOMATIC TRACTOR, STEIGER SERIES III PANTHER AUTOMATIC TRACTOR, STEIGER SERIES III WILDCAT TRACTOR, STEIGER SERIES III BEARCAT TRACTOR, STEIGER SERIES III COUGAR TRACTOR, STEIGER SERIES III PANTHER TRACTOR, STEIGER SERIES III TIGER TRACTOR, BEARCAT 1000 POWERSHIFT SERIES 4WD TRACTOR, COUGAR 1000 POWERSHIFT SERIES 4WD TRACTOR, COUGAR 1000-SERIES RANGE POWERSHIFT TRACTOR, LION 1000-SERIES POWERSHIFT 4WD TRACTOR, PANTHER 1000-SERIES POWERSHIFT 4WD TRACTOR, PANTHER 1000-SERIES POWERSHIFT TRACTOR, PANTHER SERIES IV TRACTOR, PUMA 1000-SERIES POWERSHIFT 4WD TRACTOR, SERIES I BEARCAT TRACTORS, SERIES I SUPER WILDCAT TRACTORS, SERIES I WILDCAT TRACTORS, SERIES II BEARCAT TRACTORS, SERIES II COUGAR TRACTORS, SERIES II PANTHER TRACTORS, SERIES II SUPER WILDCAT TRACTORS, SERIES II TIGER TRACTORS, SERIES II WILDCAT TRACTORS, SERIES III BEARCAT TRACTORS - 1976, SERIES III COUGAR TRACTORS, SERIES III PANTHER TRACTORS, SERIES IV BEARCAT TRACTOR, SERIES IV COUGAR TRACTOR - CM KM SM, SERIES IV COUGAR TRACTOR - CS KS, SERIES IV PANTHER TRACTOR, WILDCAT 1000-SERIES POWERSHIFT 4WD TRACTOR, TRACTOR LOADER - NA, TRACTOR LOADER TIER 3 (NA), TRACTOR LOADER - TIER 4A, CASE UNIT LOADER, CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER), CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672), CASE ARTICULATED WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (PRIOR TO S/N 9123140), CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER, CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9120696), CASE ARTICULATED WHEEL LOADER W/POD CAB (S/N 9120696 & AFTER), CASE WHEEL LOADER (PRIOR TO S/N 17754000), CASE WHEEL LOADER (S/N 17754000 & AFTER) including models 1070, 1080, 1080B, 1085B, 1085C, 1086B, 1090, 1150B, 1150C, 1150D, 1150G, 1150H, 1155D, 1170, 1175, 1270, 1280B, 1370, 1400, 1420, 1440, 1450B, 1455B, 1460, 1470.

Frequently asked questions

What is the part number?

The manufacturer part number is 86625057.

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.

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.