OEM Back-Up Ring · Case Construction
S99877$6.05
In stock
Case Construction
OEM
Part No. 86639064
Union
322 verified fitments
Select your machine to check fit
Ships nationwideUPS, USPS & freight
30-day returnsNew, unused parts
OEM guaranteedDirect from manufacturer
| Machine | Model | Years / S/N |
|---|---|---|
| Tractor | PUMA 165 | 2026 |
| Tractor | MAXXUM 125 | 2022 |
| Tractor | MAXXUM 115 | 2022 |
| Tractor | MAXXUM 145 | 2022 |
| Tractor | MAXXUM 135 | 2022 |
| Tractor | PUMA 185 | 2022 |
| Tractor | MAXXUM 150 | 2022 |
| Tractor | PUMA 220 | 2022 |
| Tractor | PUMA 200 | 2022 |
| Tractor | PUMA 260 | 2022 |
Introducing Case Construction Union #86639064, a premium part designed for heavy equipment performance. Engineered for durability and reliability, this component ensures optimal functionality, enhancing the efficiency of your machinery on any job site. Upgrade your equipment today!
Frequently asked questions
What is the part number?
The manufacturer part number is 86639064.
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.
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.
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- 86639064
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.8 lb
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.
All 322 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Tractor | PUMA 165 | 2026 |
| Tractor | MAXXUM 125 | 2022 |
| Tractor | MAXXUM 115 | 2022 |
| Tractor | MAXXUM 145 | 2022 |
| Tractor | MAXXUM 135 | 2022 |
| Tractor | PUMA 185 | 2022 |
| Tractor | MAXXUM 150 | 2022 |
| Tractor | PUMA 220 | 2022 |
| Tractor | PUMA 200 | 2022 |
| Tractor | PUMA 260 | 2022 |
| Tractor | PUMA 240 | 2022 |
| Tractor | PUMA 185 | 2025 |
| Tractor | PUMA 165 | 2025 |
| Tractor | PUMA 155 | 2025, 2026 |
| Tractor | OPTUM 440 | 2026 |
| Tractor | OPTUM 390 | 2026 |
| Tractor | OPTUM 360 | 2026 |
| Tractor | PUMA 185 | 2026 |
| Combine | AF10 E5 MY26 | — |
| Combine | AF10 A5 MY26 | — |
| Combine | AF9 E5 | — |
| Combine | AF9 A5 | — |
| Combine | AF11 | — |
| Combine | AF11 A5 | — |
| Combine | AF10 | — |
| Combine | AF10 E5 | — |
| Combine | AF10 A5 | — |
| Combine | AF9 | — |
| Combine | AF9 MY26 | — |
| Combine | AF9 E5 MY26 | — |
| Combine | AF9 A5 MY26 | — |
| Combine | AF11 A5 MY26 | — |
| Combine | AF10 MY26 | — |
| Harvester | AUSTOFT 9990 | — |
| Harvester | AUSTOFT 9000 | — |
| Harvester | AUSTOFT 9900 | — |
| Tractor | T7.360 XD | 2026 |
| Tractor | T7.230 | 2022 |
| Tractor | T6.160 | 2022 |
| Tractor | T6.155 | 2022 |
| Tractor | T6.145 | 2022 |
| Tractor | T6.180 | 2022 |
| Tractor | T6.175 | 2022 |
| Tractor | T6.165 | 2022 |
| Tractor | T7.270 | 2022 |
| Tractor | T7.260 | 2022 |
| Tractor | T7.245 | 2022 |
| Tractor | T7.300 | 2022 |
| Tractor | T7.180 | 2025 |
| Tractor | T7.225 | 2026 |
| Tractor | T7.210 | 2026 |
| Tractor | T7.190 | 2026 |
| Tractor | T7.180 | 2026 |
| Tractor | T7.225 | 2025 |
| Tractor | T7.210 | 2025 |
| Tractor | T7.190 | 2025 |
| Tractor | T7.440 XD | 2026 |
| Tractor | T7.390 XD | 2026 |
| Combine | CX8.90 E5 | 2026 |
| Combine | CX8.80 I 3 | — |
| Combine | CX8.80 A 5 | — |
| Combine | CX8.70 E 5 | — |
| Combine | CX7.90 TR E5 | — |
| Combine | CX7.90 E 5 | — |
| Combine | CX7.80 E 5 | — |
| Combine | CX8.90 A 5 | — |
| Combine | CX7.80 E5 | 2026 |
| Combine | CX8.70 E5 | 2026 |
| Combine | CX7.90 TRE5 | 2026 |
| Combine | CX7.90 E5 | 2026 |
| Combine | CX8.90 A5 | 2026 |
| Combine | CX8.80 TR3 | 2026 |
| Combine | CX8.80 TRE5 | 2026 |
| Combine | CX8.80 TRA5 | 2026 |
| Combine | CX8.80 I3 | 2026 |
| Combine | CX8.80 E5 | 2026 |
| Combine | CX8.80 A5 | 2026 |
| Combine | CX8.90 TRE5 | 2026 |
| Combine | CX8.90 TRA5 | 2026 |
| Harvester | 9090L L T4 | — |
| Harvester | 9090L H T5 | — |
| Harvester | 11.90X MULTI | — |
| Harvester | 9090X GE T5 | — |
| Harvester | 10.90X / 9090X O T5 | — |
| Harvester | 9090X T5 | — |
| Combine | CR8.90 CHINA IV 14 5 AGG SHAKE | 2025 |
| Combine | CR10.90 A5 OPTICLEAN | — |
| Combine | CR8.90 A5 OPTICLEAN | — |
| Combine | CR8.90 TRA5 OPTICLEAN | — |
| Combine | CR8.90 TRA5 AGGR SHAKE | — |
| Combine | CR9.90 A5 OPTICLEAN | — |
| Combine | CR9.90 TRA5 OPTICLEAN | — |
| Combine | CR9.90 TRA5 AGGR SHAKE | — |
| Combine | CR10.90 TRE5 | 2025 |
| Combine | CR10.90 TRE2 | 2025 |
| Combine | CR10.90 TRA5 OPTICLEAN | 2025 |
| Combine | CR10.90 E2 | 2025 |
| Combine | CR8.90 A5 AGGR SHAKE | 2025 |
| Combine | CR8.80 TRE5 | 2025 |
| Combine | CR8.80 E5 | 2025 |
| Combine | CR7.90 TRE5 | 2025 |
| Combine | CR7.90 TRE2 | 2025 |
| Combine | CR7.90 E5 | 2025 |
| Combine | CR7.90 E2 | 2025 |
| Combine | CR8.90 L0 | 2025 |
| Combine | CR8.90 L0 12 5 | 2025 |
| Combine | CR8.90 LTR0 | 2025 |
| Combine | CR8.90 E5 | 2025 |
| Combine | CR8.90 E5 12 5 | 2025 |
| Combine | CR8.90 E0 12 5 | 2025 |
| Combine | CR8.90 A5 OPTICLEAN | 2025 |
| Combine | CR9.90 A5 AGGR SHAKE | 2025 |
| Combine | CR8.90 TRL0 12 5 | 2025 |
| Combine | CR8.90 TRE5 | 2025 |
| Combine | CR8.90 TRE5 12 5 | 2025 |
| Combine | CR8.90 TRE0 12 5 | 2025 |
| Combine | CR8.90 TRA5 OPTICLEAN | 2025 |
| Combine | CR8.90 TRA5 AGGR SHAKE | 2025 |
| Combine | CR9.90 TRA5 OPTICLEAN | 2025 |
| Combine | CR9.90 TRA5 AGGR SHAKE | 2025 |
| Combine | CR9.90 E5 | 2025 |
| Combine | CR9.90 E5 12 5 | 2025 |
| Combine | CR9.90 E0 | 2025 |
| Combine | CR9.90 E0 12 5 | 2025 |
| Combine | CR9.90 A5 OPTICLEAN | 2025 |
| Combine | CR9.90 TRE5 | 2025 |
| Combine | CR9.90 TRE5 12 5 | 2025 |
| Combine | CR9.90 TRE0 | 2025 |
| Combine | CR9.90 TRE0 12 5 | 2025 |
| Combine | CR9.90 A5 AGGR SHAKE | — |
| Combine | CR10 TRE5 | — |
| Combine | CR10 TRA5 | — |
| Combine | CR10 TR | — |
| Combine | CR10 E5 | — |
| Combine | CR10 A5 | — |
| Combine | CR11 | — |
| Combine | CR11 TRE5 | — |
| Combine | CR11 TRA5 | — |
| Combine | CR11 TR | — |
| Combine | CR11 E5 | — |
| Combine | CR11 A5 | — |
| Combine | CR10 | — |
| Dozer | 1650M LGP | — |
| Dozer | 1150M LT | — |
| Dozer | 1650M LGP PAT | — |
| Dozer | 1150M WT | — |
| Dozer | 2050M LGP PAT | — |
| Dozer | 2050M | — |
| Dozer | 1650M XLT PAT | — |
| Dozer | 2050M XLT PAT | — |
| Dozer | 2050M XLT | — |
| Dozer | 1650M XLT | — |
| Loader | 1121G | — |
| Loader | 1021G2 | — |
| Loader | 1021G WHEEL LOADER | 2023 |
| Loader | 1121G WHEEL LOADER | 2023 |
| Loader | 1021G2 WHEEL LOADER | 2023 |
| Loader | 1121G2 WHEEL LOADER | 2023 |
| Loader | 1021G+ X-DRIVE | — |
| Loader | 1021G | — |
| Loader | 1021G X-DRIVE | — |
| Loader | 1121G+ | — |
| Loader | 1121G+ X-DRIVE | — |
| Loader | 1121G X-DRIVE | — |
| Loader | 1021G+ | — |
| Loader | 421G | — |
| Loader | W100D | — |
| Combine | CR10.90 E5 | 2025 |
| Combine | CR10.90 A5 OPTICLEAN | 2025 |
| Combine | CR10.90 TRA5 OPTICLEAN | — |
| Combine | CR8.90 A5 AGGR SHAKE | — |
| Loader | 1121G2 | — |
| Engine | F3GFA613B D001 | — |
| Engine | F3GFA613B E001 | — |
| Tractor | T6.160 | — |
| Tractor | T6.145 | — |
| Tractor | T6.180 | — |
| Combine | CX8.80 TR A5 | — |
| Combine | CR8.90 .TRA5 AGGR-SHAKE | — |
| Combine | CR9.90 .TRA5 AGGR-SHAKE | — |
| Combine | CR10.90 .TRA5 | — |
| Combine | CR10.90 .A5 | — |
| Combine | CR8.90 .TRA5 | — |
| Combine | CR8.90 .A5 AGGR SHAKE | — |
| Combine | CR8.90 .A5 | — |
| Combine | CR9.90 .TRA5 | — |
| Combine | CR9.90 .A5 AGGR SHAKE | — |
| Combine | CR9.90 .A5 | — |
| Tractor | MAXXUM 115 | — |
| Tractor | MAXXUM 135 | — |
| Tractor | T6.155 | — |
| Tractor | T6.175 | — |
| Tractor | T6.165 | — |
| Harvester | 9090X GE T4 | — |
| Combine | CR8.90. TRA5 AGGR SHAKE | — |
| Combine | CR9.90. TRA5 | — |
| Loader | 1121F | — |
| Harvester | 10.90X / 9090X O GE T5 | — |
| Combine | CR8.90. A5 AGGR SHAKE | — |
| Combine | CR9.90. A5 AGGR SHAKE | — |
| Combine | CR10.90. TRA5 | — |
| Combine | CR10.90. A5 | — |
| Combine | CR8.90. A5 | — |
| Combine | CR9.90. A5 | — |
| Combine | CR8.90. TRA5 | — |
| Harvester | 9090L H T4 | — |
| Harvester | 9090X T4 | — |
| Loader | 521G | — |
| Combine | CX8.80 A5 | — |
| Combine | CX8.90 TR A5 | — |
| Combine | CX8.90 A5 | — |
| Combine | CX8.80 TRA5 | — |
| Combine | CX8.90 TRA5 | — |
| Combine | CR10.90 TRA5. | — |
| Combine | CR9.90 MY20 | — |
| Harvester | 9090X O GE T4 | — |
| Combine | CR8.90 MY20 | — |
| Combine | CR10.90 TRA 4B | — |
| Harvester | 9090X O T4 | — |
| Combine | CR9.90 TRA5. | — |
| Combine | CR8.90 TRA5. | — |
| Combine | CR8.90 A5. | — |
| Combine | CR9.90 A5. | — |
| Combine | CR10.90 A5. | — |
| Combine | CR8.90 MY19 | — |
| Harvester | 9090L SH T4 | — |
| Combine | CR8.90 A4B | — |
| Combine | CR9.90 A4B | — |
| Combine | CR9.90 MY19 | — |
| Combine | CX8.80 A4 | — |
| Combine | CX8.90 A4 | — |
| Combine | CR10.90 A 4B | — |
| Combine | CR8.90 TRA4B | — |
| Harvester | 9090L GE T4 | — |
| Harvester | 9090L O T4 | — |
| Combine | CR8.90 MY18 | — |
| Combine | CR9.90 TRA4B | — |
| Combine | CR10.90 TRA4B | — |
| Combine | CR8.90 TRA4A | — |
| Combine | CR8.90 A4A | — |
| Combine | CR9.90 A4A | — |
| Combine | CR9.90 MY18 | — |
| Combine | CR10.90 A4B | — |
| Combine | CR7.90 A4A | — |
| Combine | CR9.90 TRA4A | — |
| Combine | CR8.90 MY17 | — |
| Combine | CR9.90 MY17 | — |
| Combine | CR8.90 D4 | — |
| Combine | CR10.90 A4 | — |
| Combine | CR9.90 A4 | — |
| Loader | W300C | — |
| Dozer | D125C LT | — |
| Dozer | D180C LT | — |
| Dozer | D150C XLT | — |
| Dozer | D180C WT/LGP | — |
| Dozer | 1150M WT/LGP | — |
| Combine | CR8.90 MY16 | — |
| Combine | CR9.90 MY16 | — |
| Loader | 521F | — |
| Loader | 1021F | — |
| Combine | CR8.90 MY15 | — |
| Combine | CR9.90 MY15 | — |
| Combine | 7240 | — |
| Combine | 8240 | — |
| Combine | 9240 | — |
| Dozer | 1650M WT/LGP | — |
| Dozer | 1150M | — |
| Dozer | 2050M WT/LGP | — |
| Combine | CX8090 A4 | — |
| Combine | CX8080 A4 | — |
| Dozer | 2050M LT | — |
| Loader | W270C | — |
| Combine | CR8090 A3 | — |
| Combine | CR9080 A3 | — |
| Combine | 7230 | — |
| Combine | 9230 | — |
| Combine | 8230 | — |
| Combine | CR8090 G4 | — |
| Combine | CR8080 G4 | — |
| Combine | CR9090 G4 | — |
| Dozer | D150C WT/LGP | — |
| Combine | CR9090 ELEVATION | — |
| Dozer | D180C XLT | — |
| Combine | 7130 | — |
| Combine | CR8080 A4 | — |
| Combine | CR8090 A4 | — |
| Combine | CR9090 | — |
| Dozer | 1650M | — |
| Dozer | D125C WT/LGP | — |
| Combine | CR9080 | — |
| Combine | CR9080 TR3 | — |
| Combine | 7120 | — |
| Combine | 8120 | — |
| Combine | 9120 | — |
| Tractor | STEIGER 535 | — |
| Tractor | T9060 | — |
| Tractor | 715345006 | — |
| Tractor | SICURCAB | — |
| Tractor | 716248016 | — |
| Tractor | TRIMBLE | — |
| Combine | 8010 | — |
| Combine | 7010 | — |
| Combine | AFX8010 | — |
| Combine | 9010 | — |
| Tractor | STEIGER 480 | — |
| Tractor | STEIGER 530 | — |
| Tractor | STEIGER STX480 | 2006 |
| Tractor | STEIGER STX530 | 2006 |
| Tractor | T9050 | — |
| Tractor | TJ480 | — |
| Tractor | TJ530 | — |
| Tractor | TJ375 | — |
| Tractor | TJ425 | — |
| Tractor | STEIGER STX500 | 2001 |
| Tractor | STEIGER STX425 | 2001 |
| Tractor | STEIGER STX450 | 2001 |
| Tractor | TJ450 | — |
| Tractor | TJ500 | — |
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