Jam Nut

Enhance your heavy equipment’s performance with the Case Construction Jam Nut #219758. Designed for durability and precision, this essential part ensures secure connections, optimizing your machinery’s efficiency and reliability on the job site. Perfect for all Case models.

Compatible equipment

This part fits CASE CRUZ-AIR WHEELED EXCAVATOR, SERIES - CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER W/DEUTZ ENGINE, UTILITY BACKHOE, LOADER AND BACKHOE, BACKHOE, CASE FORKLIFT, BACKHOE FOR W7, W9A, W9B, W10, CASE WHEEL TRACTOR, BACKHOE FOR W SERIES RIGID LOADERS, SERIES A INTERNATIONAL LOADER TRACTOR, CASE CRAWLER TRACTOR, CASE WHEEL TRACTOR W/LOADER BACKHOE, CASE LOAD KING WHEEL LOADER, CASE TERRATRAC CRAWLER TRACTOR, CASE CONSTRUCTION KING FORKLIFT, CASE TRENCHER, CASE CONSTRUCTION KING LOADER BACKHOE, CASE CONSTRUCTION KING LOADER BACKHOE - 4WD SUPPLEMENT, CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT, CASE CONSTRUCTION KING FORKLIFT TRACTOR, CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE TURBO TRENCHER, CASE CRAWLER EXCAVATOR, MINI CRAWLER EXCAVATOR, CANOPY - STAGE V, MINI CRAWLER EXCAVATOR, CAB, JAPAN ENGINE - STAGE V - MY25, MINI CRAWLER EXCAVATOR, CANOPY, JAPAN ENGINE - STAGE V - MY25, MINI CRAWLER EXCAVATOR, CAB - STAGE V, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CANOPY - STAGE V, MINI CRAWLER EXCAVATOR, CAB - STAGE V MY24, MINI CRAWLER EXCAVATOR, CANOPY - STAGE V MY26, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V MY24, D1703-M-DI-E4B-ITC-1J ENGINE STAGE V - KUBOTA, D1703-M-DI-E4B-SMP-1A STAGE V - KUBOTA, M-DI-E4B-ITC-1 ENGINE STAGE V - KUBOTA, CR-TE5B-SMP-1 ENGINE STAGE V - KUBOTA, E4B-ITC-1 ENGINE STAGE V - KUBOTA, DAVIS FLEETLINE 30+4 TRENCHER, DAVIS FLEETLINE 40+4 TRENCHER, SMALL ARTICULATED LOADER, CASE ARTICULATED WHEEL LOADER, CASE WHEEL LOADER, CASE UNIT LOADER including models 1085B, 1086B, 1500, 1529, 1700, 1816, 1816C, 1835, 1835C, 1838, 1840, 22, 23, 26, 26B, 26D, 26S, 31, 310B, 310C, 32, 320, 320B, 34, 3400.

Frequently asked questions

What is the part number?

The manufacturer part number is 219758.

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.