U numbers are roughly equivalent to the horsepower of the engine. Recent models have an extra 0 at the end.
The 404.111 is the first of the 404 series, which may account for it being so different from other 404s.
UNIMOG BAUMUSTER (BM) LIST Abbreviations: T = Traction head L = Cross-country truck A = Turbocharged engine LA = Turbocharged engine with intercooler M = Petrol (gas) OM = Diesel (Oel-Motor) Missing value indicated by zero or blank. BM MODEL ENGINE WHEELBASE INTRO END NO. MADE (mm) Boehringer 70200 636 1697 1949 2010 U 25 636 1697 1950 401.101 U 25 636 1720 1951 401.102 U 25 636 1720 1951 401.103 U 25 636 1720 1951 401.104 U 25 636 1720 1951 401.105 U 25 636 1720 1951 401.106 U 25 636 1720 1951 402.101 U 25 636 2120 1951 402.102 U 25 636 2120 1951 402.103 U 25 636 2120 1951 402.104 U 25 636 2120 1951 403.120 U 54 314 2380 0 403.121 U 54 314 2380 0 403.122 U 66 314 2380 0 403.122 U 72 314 2380 0 403.122 U 800 314 2380 0 403.123 U 66 314 2380 0 403.123 U 72 314 2380 0 403.123 U 800 314 2380 0 404.010 U 82 M180 2900 1972 1979 113 404.011 U 82 M180 2900 1971 1979 1151 404.012 U 110 M130 2900 1971 1979 7 404.013 U 110 M130 2900 1971 1980 520 404.111 U 80 M180 2670 1955 1957 1210 404.112 U 80 M180 2700? 1956 1957 185 404.113 U 82 M180 2900 1957 1976 8106 404.114 U 82 M180 2900 1956 1977 50321 404.115 U 82 M180 2900 1957 1968 2648 404.117 U 60 615 2900 1969 1970 81 406.120 U 65 312 2380 0 406.120 U 65 OM352 2380 0 406.120 U 70 OM352 2380 0 406.120 U 80 OM352 2380 0 406.120 U 84 OM352 2380 0 406.120 U 900 OM352 2380 0 406.121 U 65 312 2380 0 406.121 U 65 OM352 2380 0 406.121 U 70 OM 352 2380 0 406.121 U 80 OM 352 2380 0 406.121 U 84 OM 352 2380 0 406.121 U 900 OM 352 2380 0 406.130 U 65 T 312 0 0 406.130 U 65 T OM 352 0 0 406.130 U 70 T 312 0 0 406.130 U 70 T OM 352 0 0 406.131 U 65 T 312 0 0 406.131 U 65 T OM 352 0 0 406.131 U 70 T 312 0 0 406.131 U 70 T OM 352 0 0 406.133 U 80 T OM 352 0 0 406.140 U 0 OM 352 2900 0 406.141 U 0 OM 352 2900 0 406.142 U 84 OM 352 2380 0 406.142 U 100 OM 352 2380 0 406.142 U 900 OM 352 2380 0 406.143 U 84 OM 352 2380 0 406.143 U 100 OM 352 2380 0 406.143 U 900 OM 352 2380 0 406.145 U 84 OM 352 2380 0 406.145 U 900 OM 352 2380 0 406.170 U 0 0 0 406.171 U 0 0 0 406.200 U 0 OM 352 2900 0 407.100 U 600 616 2250 1985 407.110 U 650 616 2605 1987 407.111 U 650 L 616 2605 0 407.200 U 600 616 2250 0 407.210 U 650 616 2605 0 407.211 U 650 L 616 2605 0 408.100 U 90 602 2690 0 411.110 U 30 636 1720 1956 411.110 U 32 636 1720 1956 411.111 U 30 636 1720 1956 411.112 U 32 636 2120 1956 411.113 U 30 636 2120 1956 411.114 U 0 0 0 411.115 U 0 0 0 411.116 U 25 636 1720 0 411.117 U 32 636 2120 1956 411.118 U 34 636 1720 1966 411.119 U 34 636 2120 1966 411.120 U 34 636 2120 1966 411.131 U 36 T 636 0 1966 413.110 U 72 314 2900 1969 413.110 U 80 314 2900 1969 413.110 U 800 L 314 2900 1969 413.111 U 72 314 2900 1969 413.111 U 80 314 2900 1969 413.111 U 800 L 314 2900 1969 416.114 U 100 OM 352 2900 0 416.114 U 110 OM 352 2900 1970 416.114 U1100 L OM 352 2900 1969 416.115 U 100 OM 352 2900 1970 416.115 U 110 OM 352 2900 0 416.115 U1100 L OM 352 2900 1969 416.116 U 100 OM 352 3400 0 416.116 U 110 OM 352 3400 0 416.116 U1100 L OM 352 3400 1969 416.117 U 100 OM 352 3400 0 416.117 U 110 OM 352 3400 0 416.117 U1100 L OM 352 3400 1969 416.122 U 80 OM 352 2900 1965 416.122 U 90 OM 352 2900 1969 416.123 U 80 OM 352 2900 1965 416.123 U 90 OM 352 2900 1969 416.124 U 80 OM 352 2900 1965 416.124 U 90 OM 352 2900 1969 416.125 U 80 OM 352 2900 1965 416.125 U 90 OM 352 2900 1969 416.126 U 80 OM 352 2900 1965 416.126 U 90 OM 352 2900 1969 416.127 U 80 OM 352 2900 1965 416.127 U 90 OM 352 2900 1969 416.130 U 80 T OM 352 0 1965 416.130 U 90 T OM 352 0 1969 416.133 U 80 T OM 352 0 1965 416.133 U 90 T OM 352 0 1969 416.134 U 100 T OM 352 0 0 416.134 U 110 T OM 352 0 0 416.134 U1100 T OM 352 0 0 416.135 U 100 T OM 352 0 0 416.135 U 110 T OM 352 0 0 416.135 U1100 T OM 352 0 0 416.140 U 100 OM 352 2900 1969 416.140 U 110 OM 352 2900 0 416.140 U1100 OM 352 2900 0 416.141 U 100 OM 352 2900 1969 416.141 U 110 OM 352 2900 0 416.141 U1100 OM 352 2900 0 416.160 U 0 0 0 416.162 U 125 OM 352 2900 0 416.162 U1100 OM 352 2900 0 416.163 U 125 OM 352 2900 0 416.163 U1100 OM 352 2900 0 417.000 U1100 T OM 352 0 0 417.100 U 800 314 2380 1985 417.101 U 900 OM 352 2380 1983 417.110 U1150 OM 352 2900 1988 417.111 U1150 L OM 352 2900 0 417.120 U1150 L OM 352 3400 0 417.200 U 800 314 2380 0 417.201 U 900 OM 352 2380 0 417.210 U1150 OM 352 2900 0 417.211 U1150 L OM 352 2900 0 417.212 U1150 L OM 352 2900 0 417.220 U1150 L OM 352 3400 0 418.000 U 140 T 364LA 0 0 418.100 U 110 364A 2830 0 418.102 U 140 364LA 2830 0 418.115 U 110 L 364A 3470 0 418.117 U 140 L 364LA 3470 0 421.122 U 40 621 2250 0 421.122 U 40 615 2250 1968 421.122 U 45 621 2250 1966 421.122 U 45 615 2250 1968 421.123 U 40 621 2250 0 421.123 U 40 615 2250 1968 421.123 U 45 621 2250 1966 421.123 U 45 615 2250 1968 421.124 U 52 616 2250 1970 421.124 U 600 616 2250 1970 421.125 U 52 616 2250 1970 421.125 U 600 616 2250 1970 421.128 U 60 616 2250 1970 421.128 U 600 L 616 2605 1970 421.129 U 60 616 2605 1970 421.129 U 600 L 616 2605 1970 421.130 U 40 T 621 0 0 421.130 U 40 T 615 0 1968 421.130 U 55 T 621 0 0 421.130 U 55 T 615 0 1968 421.131 U 40 T 621 0 0 421.131 U 40 T 615 0 1968 421.131 U 55 T 621 0 0 421.131 U 55 T 615 0 1968 421.132 U 60 T 616 0 1970 421.132 U 600 T 616 0 1970 421.133 U 60 T 616 0 1970 421.133 U 600 T 616 0 1970 421.140 U 52 616 2250 1970 421.140 U 600 616 2250 1969 421.141 U 52 616 2250 1970 421.141 U 600 616 2250 1970 421.162 U 60 616 2250 1970 421.162 U 600 616 2250 1970 421.163 U 60 616 2250 1970 421.163 U 600 616 2250 1970 421.173 U 0 616 0 1970 424.121 U1000 OM 352 2630 1976 424.122 U1200 352A 2650 1976 424.126 U1250 352A 3250 1979 424.126 U1550 352A 3250 0 424.127 U1250 L 352A 3250 0 424.127 U1550 L 352A 3250 0 424.131 U1000 T OM 352 0 0 424.132 U1200 T 352A 0 0 425.101 U1550 366A 3250 1986 425.121 U1300 352A 2810 1975 425.131 U1500 T 352A 0 0 425.141 U1500 352A 2810 1975 427.000 U1200 T 366A 0 0 427.100 U1000 366 2650 1987 427.101 U1200 366A 2650 1987 427.102 U1400 366A 2650 1987 427.105 U1600 366A 2650 1987 427.107 U1600 366LA 2650 1987 427.110 U1250 366A 3250 1988 427.111 U1250 L 366A 3250 0 427.112 U1450 366A 3250 1988 427.115 U1650 366A 3250 1988 427.116 U1650 L 366A 3250 0 427.117 U1650 366LA 3250 1988 427.118 U1650 L 366LA 3250 0 435.110 U1700 352A 3250 1975 435.111 U1700 L 352A 3250 0 435.113 U1700 L 352A 3850 0 435.115 U1300 L OM 352 3250 0 435.117 U1300 L OM 352 3700 0 437.000 U1700 T 366A 0 0 437.002 U1800 T 366LA 0 0 437.100 U1700 366A 2810 1987 437.102 U1800 366LA 2810 0 437.105 U2100 366LA 2810 0 437.105 U2400 366LA 2810 0 437.110 U1350 L 366A 3250 0 437.111 U1550 L 366A 3250 0 437.112 U1750 366A 3250 1988 437.113 U1750 L 366A 3250 0 437.114 U1850 366LA 3250 0 437.115 U1850 L 366LA 3250 0 437.116 U1150 L 366LA 3250 0 437.117 U2150 366LA 3250 0 437.117 U2450 366LA 3250 0 437.118 U2150 L 366LA 3250 0 437.118 U2450 L 366LA 3250 0 437.120 U1550 L 366A 3700 0 437.125 U1550 L 366LA 3700 0 437.131 U1750 L 366A 3850 0 437.133 U1850 L 366LA 3250 0 437.136 U2150 L 366LA 3850 0 437.136 U2450 L 366LA 3850 0 437.141 U1550 L 4500 437.156 U2450 L 3900 437.182 U2400 TG