Lock Nut

Ensure optimal performance and safety with the Case Construction Lock Nut #20332. Designed for heavy equipment, this durable lock nut provides secure fastening, preventing loosening under vibration. Perfect for maintaining the integrity of your machinery on any job site.

Compatible equipment

This part fits SMALL ARTICULATED LOADER, LOADER BACKHOE - TIER 3 NRC, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE CRAWLER TRACTOR, DROTT CRAWLER EXCAVATOR, COMPACT WHEEL LOADER TIER 3, CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER W/DEUTZ ENGINE, CRAWLER DOZER TIER 2, CRAWLER DOZER, SERIES - CASE UNI-LOADER SKID STEER LOADER, SMALL WHEEL LOADER, BACKHOE, CASE SKID KING WHEEL LOADER, BACKHOE FOR 450, 450B, 850, 850B, AND W14, CASE TRENCHER, CASE/BELOIT SKID KING WHEEL LOADER, CASE LONG TRACK CRAWLER TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, LOADER LANDSCAPER, SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600, LOADER LANDSCAPER - LIVERY, LOADER LANDSCAPER - TIER 4B - MY26, LOADER LANDSCAPER - TIER 4A ASN NCC570600, ELECTRIC FOUR WHEEL DRIVE, BACKHOE LOADER - TIER 3 NRC, BACKHOE LOADER - TIER 4A - FROM PIN NCC560000, BACKHOE LOADER, 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, BACKHOE LOADER - TIER 4A - FROM PIN NCC564000, LOADER BACKHOE, BACKHOE LOADER - WIDE TRACK, 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, BACKHOE LOADER, WIDE TRACK - TIER 3 NRC, BACKHOE LOADER, SIDE SHIFT, STRAIGHT LOADER ARM, 4WD - TIER 3 - MY21, FORKLIFT - LIVERY, FORKLIFT, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CASE WHEEL LOADER, MINI CRAWLER EXCAVATOR, CANOPY - STAGE V, MINI CRAWLER EXCAVATOR, ELECTRIC, CAB, MINI CRAWLER EXCAVATOR, ELECTRIC, CANOPY, MINOTAUR COMPACT DOZER LOADER, IRRIGATION POWER UNIT, DAVIS FLEETLINE 30+4 TRENCHER, DAVIS FLEETLINE 40+4 TRENCHER, SKID STEER LOADER - TIER 4F - NA, REGULATED NA - TIER 4 - MY26, REGULATED NA, TIER 4 - MY26, MINI TRACK LOADER 1000 - STAGE V, COMPACT TRACK LOADER - TIER 4F - NA, COMPACT TRACK LOADER, CASE UNIT LOADER including models SL15, SL22EV, SL23, 580SN, 1085B, 1085C, 1086B, 1150D, 1155D, 120, 121E SERIES 3, 1450B, 1455B, 1529, 1550, 1650K, 1650K XLT, 1700, 21D, 21E SERIES 3, 221E SERIES 3, 26D, 300C, 321E SERIES 3, 35.

Frequently asked questions

What is the part number?

The manufacturer part number is 20332.

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.