UTB/Universal farm tractors by year
The Tractorul Brasov Factory (UTB) in Romania dates back to an aircraft manufacturing facility. After World War II, the factory was converted to tractor production. UTB tractors and engines were based heavily on licensed FIAT designs. Universal tractors were widely exported.
UTB - official site
| Model | Power | Years |
| 650 | 65 hp | 1963 - 1973 |
| 445 | 45 hp | 1972 - 1981 |
| S445 | 46 hp[P] | 1972 - 1981 |
| U-650M | 65 hp | 1973 - 1990 |
| U-651M | 65 hp | 1973 - 1990 |
| 500 | unknown | 1974 - 1984 |
| 550 | 55 hp | 1974 - 1981 |
| 360 | 28 hp[P] | 1977 - 1991 |
| 460 | 46 hp[P] | 1977 - 1991 |
| 510 | 47 hp[P] | 1979 - 1990 |
| 610 | 71 hp[P] | 1979 - 1990 |
| A1800A | 180 hp | 1979 - 1989 |
| 300 | 27 hp | 1980 - 1991 |
| 310 | 31 hp[P] | 1980 - 1990 |
| 530 | 53 hp | 1982 - 1985 |
| 260 | 26 hp | 1983 - 2003 |
| 640 | 65 hp | 1983 - 1985 |
| 800 | 80 hp | 1983 - 1984 |
| S640 | 65 hp | 1983 - 1985 |
| 350 | 35 hp | 1984 - 1991 |
| 850 | 83 hp | 1984 - 1991 |
| 1010 | 100 hp | 1984 - 1991 |
| 532 | 53 hp | 1985 - 1988 |
| 642 | 68 hp | 1985 - 1988 |
| 340 | 34 hp | 1987 - 1991 |
| 453 | 45 hp | 1988 - 2004 |
| 533 | 53 hp | 1988 - 2004 |
| 553 | 61 hp[P] | 1988 - 1991 |
| 643 | 64 hp | 1988 - 2004 |
| 703 | 70 hp | 1988 - 1991 |
| 353 | 42 hp[P] | 1992 |
| 483 | 48 hp | 1994 - 2004 |
| 683 | 68 hp | 1994 - 2004 |
| 723 | 72 hp | 1994 - 2004 |
| 733 | 70 hp | 1994 - 2004 |
| 833 | 83 hp | 1994 - 2004 |
| 853 | 85 hp | 1994 - 2004 |
| 1033 | 99 hp | 1994 - 2004 |
| 330 | 31 hp[P] | unknown |
| 450 | 46 hp[P] | unknown |
| 484 | 48 hp | unknown |
| 523 | 52 hp | unknown |
| 524 | 52 hp | unknown |
| 684 | 68 hp | unknown |
| 770 | 85 hp[P] | unknown |
| 774 | 77 hp | unknown |
[P]: Engine power estimated from PTO horsepower. See individual tractor data listing for power details.