Nut Hex
Case Construction ·77 Fitments
| Machine | Model | Years |
|---|---|---|
| CASE AGRI-KING TRACTOR (PRIOR TO S/N 8675001) | 1070 | 1969 – 1978 |
| CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER) | 1070 | 1972 – 1978 |
| CASE AGRI-KING DIESEL TRACTOR | 1090 | 1970 – 1971 |
| CASE CRAWLER TRACTOR (NORTH AMERICA) | 1150C | 1978 – 1984 |
| CASE CRAWLER TRACTOR | 1150D | 1976 – 1986 |
| CASE CRAWLER TRACTOR | 1150E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1150G | 1995 – 1999 |
| CASE CRAWLER TRACTOR | 1150H | 2000 – 2006 |
| CASE CRAWLER TRACTOR | 1155D | 1983 – 1986 |
| CASE CRAWLER TRACTOR | 1155E | 1985 – 1994 |
Enhance your heavy equipment’s performance with the Case Construction Nut Hex #129-770. Designed for durability and precision, this essential component ensures secure connections, making it ideal for various applications in the construction industry. Trust Case for reliability and strength.
Compatible equipment
This part fits CASE AGRI-KING TRACTOR (PRIOR TO S/N 8675001), CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER), CASE AGRI-KING DIESEL TRACTOR, CASE CRAWLER TRACTOR (NORTH AMERICA), CASE CRAWLER TRACTOR, CASE AGRI-KING TRACTOR (PRIOR TO S/N 8736001), CASE AGRI-KING TRACTOR (S/N 8736001 & AFTER), CASE AGRI-KING TRACTOR (PRIOR TO S/N 8727601), CASE AGRI-KING TRACTOR (S/N 8727601 & AFTER), CASE AGRI-KING TRACTOR (''''SPIRIT OF ''76'''' OPTION), CASE DIESEL TRACTOR (PRIOR TO S/N 17895000), CASE DIESEL TRACTOR, CASE DIESEL TRACTOR (PRIOR TO S/N 17897500), CASE TRACTOR, CASE LONG TRACK CRAWLER TRACTOR, CASE DIESEL ENGINE & POWER UNIT (SIZE 111), IND - CASE CRAWLER TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT, LOADER BACKHOE (NORTH AMERICA), CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE TRENCHER, CASE TURBO TRENCHER, TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), CASE AGRI-KING TRACTOR (PRIOR TO P.I.N. 8675001) including models 1070, 1090, 1150C, 1150D, 1150E, 1150G, 1150H, 1155D, 1155E, 1170, 1175, 1270, 1370, 1450B, 1455B, 1550, 1570, '1570, 1896, 2090, 2094, 2096, 2290, 2294, 2390.
Frequently asked questions
What is the part number?
The manufacturer part number is 129-770.
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
- 129-770
- Internal SKU
- IC:129-770
- 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 77 fitments
| Machine | Model | Years |
|---|---|---|
| CASE AGRI-KING TRACTOR (PRIOR TO S/N 8675001) | 1070 | 1969 – 1978 |
| CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER) | 1070 | 1972 – 1978 |
| CASE AGRI-KING DIESEL TRACTOR | 1090 | 1970 – 1971 |
| CASE CRAWLER TRACTOR (NORTH AMERICA) | 1150C | 1978 – 1984 |
| CASE CRAWLER TRACTOR | 1150D | 1976 – 1986 |
| CASE CRAWLER TRACTOR | 1150E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1150G | 1995 – 1999 |
| CASE CRAWLER TRACTOR | 1150H | 2000 – 2006 |
| CASE CRAWLER TRACTOR | 1155D | 1983 – 1986 |
| CASE CRAWLER TRACTOR | 1155E | 1985 – 1994 |
| CASE AGRI-KING DIESEL TRACTOR | 1170 | 1970 – 1971 |
| CASE AGRI-KING DIESEL TRACTOR | 1175 | 1972 – 1978 |
| CASE AGRI-KING TRACTOR (PRIOR TO S/N 8736001) | 1270 | 1972 – 1978 |
| CASE AGRI-KING TRACTOR (S/N 8736001 & AFTER) | 1270 | 1973 – 1978 |
| CASE AGRI-KING TRACTOR (PRIOR TO S/N 8727601) | 1370 | 1972 – 1978 |
| CASE AGRI-KING TRACTOR (S/N 8727601 & AFTER) | 1370 | 1973 – 1978 |
| CASE CRAWLER TRACTOR | 1450B | 1980 – 1987 |
| CASE CRAWLER TRACTOR | 1455B | 1980 – 1987 |
| CASE CRAWLER TRACTOR | 1550 | 1988 – 1994 |
| CASE AGRI-KING DIESEL TRACTOR | 1570 | 1976 – 1978 |
| CASE AGRI-KING TRACTOR (''''SPIRIT OF ''76'''' OPTION) | '1570 | 1976 |
| CASE DIESEL TRACTOR (PRIOR TO S/N 17895000) | 1896 | 1984 – 1986 |
| CASE DIESEL TRACTOR | 2090 | 1978 – 1983 |
| CASE DIESEL TRACTOR | 2094 | 1983 – 1984 |
| CASE DIESEL TRACTOR (PRIOR TO S/N 17897500) | 2096 | 1985 – 1986 |
| CASE DIESEL TRACTOR | 2290 | 1978 – 1983 |
| CASE DIESEL TRACTOR | 2294 | 1985 – 1987 |
| CASE DIESEL TRACTOR | 2390 | 1978 – 1983 |
| CASE DIESEL TRACTOR | 2394 | 1985 – 1987 |
| CASE DIESEL TRACTOR | 2590 | 1978 – 1983 |
| CASE DIESEL TRACTOR | 2594 | 1985 – 1987 |
| CASE DIESEL TRACTOR | 3294 | 1983 – 1985 |
| CASE DIESEL TRACTOR | 3394 | 1985 – 1987 |
| CASE CRAWLER TRACTOR | 350B | 1979 – 1983 |
| CASE DIESEL TRACTOR | 3594 | 1985 – 1987 |
| CASE TRACTOR | 4490 | 1979 – 1983 |
| CASE CRAWLER TRACTOR | 450B | 1978 – 1983 |
| CASE LONG TRACK CRAWLER TRACTOR | 450C | 1983 – 1994 |
| CASE DIESEL ENGINE & POWER UNIT (SIZE 111) | 451BDT | 1970 – 1979 |
| CASE CRAWLER TRACTOR | 455B | 1983 |
| CASE LONG TRACK CRAWLER TRACTOR | 455C | 1983 – 1990 |
| CASE TRACTOR | 4690 | 1979 – 1983 |
| CASE TRACTOR | 4890 | 1979 – 1983 |
| CASE DIESEL ENGINE & POWER UNIT (SIZE 111) | 504BDT | 1955 – 1979 |
| CASE DIESEL ENGINE & POWER UNIT (SIZE 111) | 504DT | 1955 – 1988 |
| CASE LONG TRACK CRAWLER TRACTOR | 550 | 1989 – 1991 |
| CASE LONG TRACK CRAWLER TRACTOR | 550E | 1992 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 550G | 1995 – 1998 |
| CASE CRAWLER TRACTOR | 550H | 1999 – 2008 |
| IND - CASE CRAWLER TRACTOR | 550H | 1999 – 2008 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 580E | 1983 – 1989 |
| CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT | 580G | 1978 – 1987 |
| LOADER BACKHOE (NORTH AMERICA) | 580K | 1987 – 1994 |
| CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE | 580SE | 1983 – 1987 |
| CASE CRAWLER TRACTOR | 650 | 1990 – 1991 |
| CASE CRAWLER TRACTOR | 650G | 1994 – 1999 |
| CASE CRAWLER TRACTOR | 650H | 2000 – 2002 |
| CASE TRENCHER | 660 | 1986 – 2003 |
| CASE CRAWLER TRACTOR | 750H | 2000 – 2002 |
| CASE AGRI-KING TRACTOR (PRIOR TO S/N 8675001) | 770 | 1969 – 1972 |
| CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER) | 770 | 1970 – 1972 |
| CASE CRAWLER TRACTOR | 850B | 1976 – 1984 |
| CASE CRAWLER TRACTOR | 850C | 1981 – 1984 |
| CASE LONG TRACK CRAWLER TRACTOR | 850D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 850E | 1992 – 1994 |
| CASE CRAWLER TRACTOR | 850G | 1994 – 1999 |
| CASE CRAWLER TRACTOR | 850H | 2000 – 2002 |
| CASE CRAWLER TRACTOR | 855C | 1984 |
| CASE LONG TRACK CRAWLER TRACTOR | 855D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 855E | 1992 – 1994 |
| CASE TURBO TRENCHER | 860 | 1992 – 2002 |
| TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION) | 860 | 1992 – 2002 |
| CASE AGRI-KING TRACTOR (PRIOR TO P.I.N. 8675001) | 870 | 1969 – 1974 |
| CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER) | 870 | 1970 – 1974 |
| CASE TURBO TRENCHER | 960 | 1992 – 2004 |
| CASE AGRI-KING TRACTOR (PRIOR TO S/N 8675001) | 970 | 1969 – 1978 |
| CASE AGRI-KING TRACTOR (S/N 8675001 & AFTER) | 970 | 1973 – 1978 |