Back-Up Ring
| Machine | Model | Years / S/N |
|---|---|---|
| Harvester | A8000 | — |
| Harvester | A8800 | — |
| Cotton Picker | 620 | — |
| Cotton Picker | 635 | — |
| Cotton Picker | CPX620 | — |
| Cotton Picker | 420 | — |
| Cotton Picker | CPX420 | — |
| Cotton Picker | 625 | — |
| Harvester | A7700 | — |
| Cotton Picker | 420 TIER 3 | — |
Enhance your heavy equipment’s performance with the Case Construction Back-Up Ring #393887R1. Designed for durability and precision, this essential part ensures optimal sealing and reliability, keeping your machinery running smoothly in demanding conditions. Perfect for Case equipment maintenance.
Frequently asked questions
What is the part number?
The manufacturer part number is 393887R1.
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
- 393887R1
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.0 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 88 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Harvester | A8000 | — |
| Harvester | A8800 | — |
| Cotton Picker | 620 | — |
| Cotton Picker | 635 | — |
| Cotton Picker | CPX620 | — |
| Cotton Picker | 420 | — |
| Cotton Picker | CPX420 | — |
| Cotton Picker | 625 | — |
| Harvester | A7700 | — |
| Cotton Picker | 420 TIER 3 | — |
| Harvester | A7000 | — |
| Combine | 2588 | — |
| Cotton Picker | 2555 | — |
| Cotton Picker | CPX610 | — |
| Combine | 2366 | — |
| Harvester | 7700 | 2002 |
| Tractor | CPX420 TURKEY | — |
| Harvester | 7000 | — |
| Combine | 2144 | — |
| Combine | 2188 | — |
| Combine | 2166 | — |
| Cotton Picker | 1800 | — |
| Cotton Picker | 2155 | — |
| Combine | 1644 | — |
| Combine | 1666 | — |
| Combine | 1688 | — |
| Cotton Picker | 2022 | — |
| Cotton Picker | 1844 | — |
| Cotton Picker | 1822 | — |
| Cotton Picker | 2055 | — |
| Combine | 1620 | — |
| Combine | 1640 | — |
| Combine | 1680 | — |
| Combine | 1670 | — |
| Combine | 1660 | — |
| Cotton Picker | 2044 | — |
| Tractor | 21026 | — |
| Tractor | 1026 | — |
| Harvester | 275 | — |
| Harvester | 375 | — |
| Combine | 915 | — |
| Cotton Picker | 616 | — |
| Cotton Picker | 622 | — |
| Cotton Picker | 95 | — |
| Combine | 1470 | — |
| Cotton Picker | 782 | — |
| Tractor | 3488 | — |
| Tractor | 268 | — |
| Harvester | 5500 | — |
| Harvester | 5000 | — |
| Harvester | 4000 | — |
| Cotton Picker | 1400 | — |
| Tractor | 685 | — |
| Combine | 1480 | — |
| Combine | 1460 | — |
| Combine | 1440 | — |
| Combine | 1420 | — |
| Tractor | 684 | — |
| Tractor | HYDRO 84 | — |
| Skid Steer | 4150 | — |
| Combine | 715 | — |
| Tractor | 1066 | — |
| Tractor | HYDRO 186 | — |
| Combine | 815 | — |
| Tractor | 2500 | — |
| Tractor | 574 | — |
| Tractor | HYDRO 86 | — |
| Tractor | HYDRO 70 | — |
| Tractor | 1468 | — |
| Tractor | HYDRO 100 | — |
| Combine | 615 | — |
| Tractor | 474 | — |
| Tractor | 3400 | — |
| Tractor | 2400 | — |
| Tractor | 454 | — |
| Tractor | 2544 | — |
| Tractor | 656 | — |
| Tractor | 544 | — |
| Tractor | 666 | — |
| Combine | 403 | — |
| Tractor | 2826 | — |
| Tractor | 2656 | — |
| Tractor | 966 | — |
| Tractor | 826 | — |
| Combine | 315 | — |
| Combine | 503 | — |
| Combine | 303 | — |