Ring
| Machine | Model | Years / S/N |
|---|---|---|
| CASE CRAWLER TRACTOR | 1150B | 1973 – 1984 |
| CASE CRAWLER TRACTOR (NORTH AMERICA) | 1150C | 1978 – 1984 |
| CASE CRAWLER TRACTOR | 1150D | 1976 – 1986 |
| CASE CRAWLER TRACTOR | 1150E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1155D | 1983 – 1986 |
| CASE CRAWLER TRACTOR | 1155E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1450 | 1973 – 1980 |
| CASE CRAWLER TRACTOR | 1450B | 1980 – 1987 |
| CASE CRAWLER TRACTOR | 1455B | 1980 – 1987 |
| CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436) | 450 | 1965 – 1980 |
Enhance your heavy equipment performance with the Case Construction Ring #A51841. Designed for durability and precision, this essential part ensures optimal functionality in your machinery, making it a reliable choice for construction professionals. Upgrade your equipment today!
Compatible equipment
This part fits CASE CRAWLER TRACTOR, CASE CRAWLER TRACTOR (NORTH AMERICA), CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436), CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306), CASE CRAWLER TRACTOR (S/N 3060306 & AFTER), CASE LONG TRACK CRAWLER TRACTOR, CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169), CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE WHEEL TRACTOR, CASE COMFORT KING DRAFT-O-MATIC TRACTORS (PRIOR TO S/N 8253500), CASE COMFORT KING DRAFT-O-MATIC TRACTORS (S/N 8253501 & AFTER), SERIES - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (PRIOR TO S/N 8253500), SERIES - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (S/N 8253501 & AFTER), CASE CRAWLER TRACTOR (EUROPE), CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA) including models 1150B, 1150C, 1150D, 1150E, 1155D, 1155E, 1450, 1450B, 1455B, 450, 450B, 450C, 455B, 455C, 475, 550, 650, 700, 730 SERIES, 800, 830, 850, 850B, 850C, 850D.
Frequently asked questions
What is the part number?
The manufacturer part number is A51841.
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.
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- A51841
- 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 33 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| CASE CRAWLER TRACTOR | 1150B | 1973 – 1984 |
| CASE CRAWLER TRACTOR (NORTH AMERICA) | 1150C | 1978 – 1984 |
| CASE CRAWLER TRACTOR | 1150D | 1976 – 1986 |
| CASE CRAWLER TRACTOR | 1150E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1155D | 1983 – 1986 |
| CASE CRAWLER TRACTOR | 1155E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1450 | 1973 – 1980 |
| CASE CRAWLER TRACTOR | 1450B | 1980 – 1987 |
| CASE CRAWLER TRACTOR | 1455B | 1980 – 1987 |
| CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436) | 450 | 1965 – 1980 |
| CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306) | 450 | 1968 – 1980 |
| CASE CRAWLER TRACTOR (S/N 3060306 & AFTER) | 450 | 1975 – 1980 |
| CASE CRAWLER TRACTOR | 450B | 1978 – 1983 |
| CASE LONG TRACK CRAWLER TRACTOR | 450C | 1983 – 1994 |
| CASE CRAWLER TRACTOR | 455B | 1983 |
| CASE LONG TRACK CRAWLER TRACTOR | 455C | 1983 – 1990 |
| CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169) | 475 | 1972 – 1983 |
| CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER) | 475 | 1972 – 1983 |
| CASE LONG TRACK CRAWLER TRACTOR | 550 | 1989 – 1991 |
| CASE CRAWLER TRACTOR | 650 | 1990 – 1991 |
| CASE WHEEL TRACTOR | 700 | 1958 – 1959 |
| CASE COMFORT KING DRAFT-O-MATIC TRACTORS (PRIOR TO S/N 8253500) | 730 SERIES | 1960 – 1969 |
| CASE COMFORT KING DRAFT-O-MATIC TRACTORS (S/N 8253501 & AFTER) | 730 SERIES | 1965 – 1969 |
| CASE WHEEL TRACTOR | 800 | 1958 – 1959 |
| SERIES - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (PRIOR TO S/N 8253500) | 830 | 1960 – 1969 |
| SERIES - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (S/N 8253501 & AFTER) | 830 | 1965 – 1969 |
| CASE CRAWLER TRACTOR (EUROPE) | 850 | 1967 – 1977 |
| CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA) | 850 | 1969 – 1977 |
| CASE CRAWLER TRACTOR | 850B | 1976 – 1984 |
| CASE CRAWLER TRACTOR | 850C | 1981 – 1984 |
| CASE LONG TRACK CRAWLER TRACTOR | 850D | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 855C | 1984 |
| CASE LONG TRACK CRAWLER TRACTOR | 855D | 1985 – 1994 |
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