Screw

Enhance your Case Construction equipment’s performance with the durable Screw #85805979. Designed for reliability and precision, this essential part ensures optimal functionality, keeping your heavy machinery running smoothly on any job site. Upgrade your equipment today!

Compatible equipment

This part fits CASE IH DIESEL TRACTOR, CASE IH TRACTOR (AFTER S/N 11070000) (NORTH AMERICA), 3 CYL AG TRACTOR ALL PURPOSE, CASE IH TRACTOR (NORTH AMERICA), 3 CYL HIGHWAY TRACTOR, 3 CYL AG NARROW TRACTOR, 3 CYL NARROW ORCHARD TRACTOR, CASE TRENCHER, 3 CYL ORCHARD TRACTOR, 4 CYL AG TRACTOR ALL PURPOSE, 4 CYL AG NARROW TRACTOR, 4 CYL ORCHARD TRACTOR, TRACTOR LOADER BACKHOE, 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, LOADER BACKHOE (NORTH AMERICA), 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, LOADER BACKHOE (TIER 3), LOADER BACKHOE - TIER 3 NRC, 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, CASE FORKLIFT, SERIES 3 FORKLIFT TIER 3 - ASN N8C510000 (NA), FORKLIFT - LIVERY - TIER 4B, FORKLIFT - TIER 4A, FORKLIFT - TIER 4B, 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, GRAIN DRYING BIN, NA BACKHOE LOADER, LOADER BACKHOE, BACKHOE LOADER TIER 3 (2008), CASE DIESEL TRACTOR, CASE DIESEL STRADDLE TRACTOR, CASE IH CX-SERIES DIESEL TRACTOR, SPECIAL TRACTOR - L/CAB - TIER 4A, SPECIAL TRACTOR - L/CAB - TIER 4A - MY18, SPECIAL TRACTOR - W/CAB - TIER 4A, SPECIAL TRACTOR - W/CAB - TIER 4A - MY18, BACKHOE LOADER UPGRADE 2000, LOADER BACKHOE (NA) ASN 031044996, BACKHOE LOADER (NA VERSION) - S/N: 031044851 AND AFTER, BACKHOE LOADER (NA VERSION) - S/N: 031044887 AND AFTER, TRACTOR LOADER (REVISED 05/2005), CASE IH MAXXUM DIESEL TRACTOR, CASE IH MX SERIES TRACTOR, TRACTOR LOADER - NA, TRACTOR LOADER TIER 3 (NA), TRACTOR LOADER - TIER 4A including models 2120, 2130, 2140, 2150, 3220, 3230, 3430, 3930, 3930H, 3930N, 3930NO, 4130, 4130N, 4130NO, 4210, 4230, 4240, 460, 4630, 4630N, 4630NO, 4630O, 4830, 4830N, 4830O.

Frequently asked questions

What is the part number?

The manufacturer part number is 85805979.

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.