Nut

Enhance your heavy equipment performance with Case Construction Nut #280859. Designed for durability and precision, this essential component ensures secure connections and optimal functionality in your machinery, keeping your operations running smoothly and efficiently.

Compatible equipment

This part fits CASE TRENCHER, SERIES - CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER, BACKHOE, LOADER, BACKHOE FOR W7, W9A, W9B, W10, BACKHOE AND LOADER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, CASE SKID STEER LOADER, SKID STEER - 410 NA BSN N7M480924, 410 EU BSN N7M468736, SKID STEER - SERIES 3, 410 NA ASN N7M480924, 410 EU ASN N7M468736, SKID STEER - 420NA BSN N7M466710, 420EU BSN N8M466713, SKID STEER - TIER 3, 420NA N7M466710, 420EU ASN N8M466713, COMPACT TRACK LOADER - BSN N7M455401, COMPACT TRACK LOADER - SERIES 3, ASN N7M455401, SKID STEER - SERIES 3, ASN 430 NA N7M479683, 430 EU N7M479546, SKID STEER BSN 430 NA N7M479683, 430 EU N7M479546, SKID STEER - BSN N7M425032, SKID STEER - TIER 3 , ASN N7M425032, SKID STEER - 440 NA BSN N8M474469, 440 EU BSN N8M407542, SKID STEER - SERIES 3, 440 NA ASN N8M474469, 440 EU ASN N8M407542, COMPACT TRACK LOADER - BSN N7M483467, COMPACT TRACK LOADER - SERIES 3, ASN N7M483467, SKID STEER - BSN N7M454787, SKID STEER - TIER 3 , ASN N7M454787, COMPACT TRACK LOADER - BSN N8M458846, COMPACT TRACK LOADER - TIER 3 , ASN N8M458846, SKID STEER, TIER 2, P.I.N. N7M458414 & PRIOR, SKID STEER, TIER 3, P.I.N. N7M464019 & AFTER, COMPACT TRACK LOADER - BSN N7M464019, COMPACT TRACK LOADER - SERIES 3 ASN N7M464019, SKID STEER - TIER 3 ASN N7M452623, SKID STEER BSN N7M452623, CASE CONSTRUCTION KING WHEEL 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, CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING WHEEL TRACTOR W/HYDROSTATIC TRANSMISSION, ELECTRIC FOUR WHEEL DRIVE, CASE CONSTRUCTION KING LOADER BACKHOE - 4WD SUPPLEMENT, CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT, SERIES 2 LOADER BACKHOE - ASN JJG0239360, 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, 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, BACKHOE LOADER - TIER 4A - FROM PIN NCC564000, LOADER BACKHOE, LOADER BACKHOE - TIER 3 NRC, 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, CASE CONSTRUCTION KING FORKLIFT, TURBO LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, CASE TURBO TRENCHER, SERIES-B MAXI-SNEAKER CABLE LAYER, PW12 - MINI CRAWLER EXCAVATOR - BTW PW11-30001 - PW12-40000, MINI CRAWLER EXCAVATOR, MINI CRAWLER EXCAVATOR - BTW PW11-30001 - PW12-40000, EXCAVATOR, MINOTAUR COMPACT DOZER LOADER, SNEAKER - SERIES-C TRENCHER, SNEAKER C - 25+4XP TRENCHER, SKID STEER LOADER, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 3 - ROW, SKID STEER LOADER - TIER 4F - NA, SKID STEER LOADER - S5 NA, REGULATED NA - TIER 4 - MY26, SKID STEER LOADER TIER 4, REGULATED NA, TIER 4 - MY26, SV340B-RGV-AP, COMPACT TRACK LOADER, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 3 - ROW, COMPACT TRACK LOADER - TIER 4F - NA, CASE WHEEL LOADER including models 660, 1700, 1825B, 1840, 1845S, 26, 26B, 26S, 32, 32S, 33, 33S, 34, 360, 40XT, 410, 420, 420CT, 430, 435, 440, 440CT, 445, 445CT, 450.

Frequently asked questions

What is the part number?

The manufacturer part number is 280859.

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.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.