Seal Ring O
Case Construction ·14 Fitments
| Machine | Model | Years |
|---|---|---|
| BACKHOE | 26 | 1965 – 1975 |
| BACKHOE | 26B | 1965 – 1975 |
| BACKHOE | 26S | 1965 – 1975 |
| BACKHOE AND LOADER FOR 530CK TRACTORS | 32 | 1960 – 1967 |
| BACKHOE AND LOADER | 32S | 1960 – 1966 |
| BACKHOE FOR 310G AND 450 CRAWLER | 33 | 1966 – 1971 |
| BACKHOE FOR 580CK | 33 | 1960 – 1972 |
| BACKHOE FOR W SERIES RIGID LOADERS | 33 | 1966 – 1971 |
| LOADER | 33 | 1966 – 1971 |
| BACKHOE | 33S | 1961 – 1971 |
Enhance your heavy equipment’s performance with the Case Construction Seal Ring O #D61904. Designed for durability and precision, this essential part ensures optimal sealing and protection, keeping your machinery running smoothly in the toughest conditions.
Compatible equipment
This part fits BACKHOE, BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, LOADER, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750 850 1150, CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008) including models 26, 26B, 26S, 32, 32S, 33, 33S, 34, 680CK.
Frequently asked questions
What is the part number?
The manufacturer part number is D61904.
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.
- Manufacturer part number
- D61904
- Internal SKU
- IC:D61904
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.1 lb
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.
All 14 fitments
| Machine | Model | Years |
|---|---|---|
| BACKHOE | 26 | 1965 – 1975 |
| BACKHOE | 26B | 1965 – 1975 |
| BACKHOE | 26S | 1965 – 1975 |
| BACKHOE AND LOADER FOR 530CK TRACTORS | 32 | 1960 – 1967 |
| BACKHOE AND LOADER | 32S | 1960 – 1966 |
| BACKHOE FOR 310G AND 450 CRAWLER | 33 | 1966 – 1971 |
| BACKHOE FOR 580CK | 33 | 1960 – 1972 |
| BACKHOE FOR W SERIES RIGID LOADERS | 33 | 1966 – 1971 |
| LOADER | 33 | 1966 – 1971 |
| BACKHOE | 33S | 1961 – 1971 |
| BACKHOE FOR 680CK TRACTOR | 34 | 1961 – 1971 |
| BACKHOE FOR W SERIES RIGID LOADERS | 34 | 1961 – 1971 |
| BACKHOES FOR CRAWLER MODELS 750 850 1150 | 34 | 1961 – 1971 |
| CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008) | 680CK | 1968 – 1993 |