Lock Nut

Ensure optimal performance and safety with the Case Construction Lock Nut #76067753. Designed for heavy equipment, this durable lock nut provides secure fastening, preventing loosening under vibration and heavy loads. Perfect for maintaining your machinery’s reliability and efficiency.

Compatible equipment

This part fits WHEEL LOADER - TIER 4 (NA), WHEEL LOADER - TIER 4B (NA), WHEEL LOADER TIER 4 (NA), COMPACT WHEEL LOADER TIER 3, CASE CRAWLER DOZER (TIER 1), CRAWLER DOZER TIER 2, CRAWLER DOZER, SERIES 3 CRAWLER TIER 3, CRAWLER DOZER - TIER 1, WHEEL LOADER TIER 3 (NA), WHEEL LOADER - TIER 4 / TIER 2 (NA), WHEEL LOADER TIER 3 NA/EU, WHEEL LOADER TIER 3 (NA/EU) including models 1021F, 1021G, 1121F, 1121G, 121E SERIES 3, 1650K, 1650K XLT, 1850K, 1850K LGP, 1850K LT, 1850K TIER 1, 1850K TIER 2, 1850K XLT, 21E SERIES 3, 221E SERIES 3, 321E SERIES 3, 521E, 521F, 521G, 621E, 621F, 721E, 721F, 821E, 821F.

Frequently asked questions

What is the part number?

The manufacturer part number is 76067753.

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.