Minneapolis-Moline U Series Tractor Serial Numbers   Note Time-Saver: If you are on a PC, use the "Find Box" to search for a specific "Cylinder Head Part Number" or whatever your looking for, on this page. Hold down the Ctrl key, tap the letter F, type or paste in a word, words or numbers in the pop-up box, then click in the box, next or an arrow.   What ever you typed into the box, if it exists in 'that sequence' on this page, it will be highlighted through-out this page. It saves you a lot of time scrolling down the page to find what your looking for. It's a great tool that can be used on any webpage. The below information came from the Moline Collectors Club Serial Number List and M-M Registry Production records. (B.Green) Note The LP tractors below are listed as Butane. "UDLX" Open - - - - - - - 1938 310001 to 310025 - - - - - - "UDLX" Closed Cab - - - - - - - 1938 310501 to 310625 - - - - - - - - - - - - - - - - 1938 "UT" 310026 to 310500 - - - - - - 1938 "UT" 310626 to 310646 - - - - - - 1939 "UT" 310647 to 312450 - - - - - - 1940 "UTU" 312451 to 312750 - 1940 "UTS" 312751 to 312950 - 1940 "UTU" 312951 to 313200 - 1940 "UTS" 313201 to 313550 - 1940 "UTU" 313551 to 313700 - 1940 "UTS" 313701 to 314000 - 1940 "UTU" 314001 to 314250 - 1940 "UTS" 314251 to 314397 - - - - - - 1940 "UTI" 314398 to 314400 - - - - - - 1940 "UTS" 314401 to 314500 - 1940 "UTU" 314501 to 314800 - 1940 "UTS" 314801 to 314892 - - - - - - - - - - - - - - - - 1941 "UTS" 314893 to 314975 - - - - - - 1941 "UTI" 314976 to 314999 - 1941 "UTU" 315001 to 315300 - 1941 "UTS" 315301 to 315450 - - - - - - 1941 "UTS" 315451 to 315500 (butane) - - - - - 1941 "UTS" 315501 to 315760 - - - - - - 1941 "UTS" 315761 to 315793 (butane) - - - - - 1941 "UTS" 315794 to 315799 - - - - - - 1941 "UTS" 315800 only (butane) 1941 "UTU" 315801 to 316000 - 1941 "UTS" 316001 to 316294 - - - - - - 1941 "UTS" 316295 to 316300 (butane) 1941 "UT" 316301 to 316500 - - - - - - 1942 "UTU" 316501 to 316850 - 1942 "UTS" 316851 to 317086 - - - - - 1942"UTI" 317087 to 317100 - 1942 "UTU" 317101 to 317400 - 1942 "UTS" 317401 to 317701 - - - - - - 1943 "UTS" 317702 to 318814 - 1943 "UTU" 318815 to 318158 - 1943 "UTS" 318159 to 318162 - 1944 "UTU" 318163 to 318512 - 1944 "UTS" 318513 to 318912 - 1944 "UTU" 318913 to 319245 - 1944 "UTS" 319246 to 320043 - - - - - - 1944 "UTI" 320044 to 320093 - - - - - - 1944 "UTS" 320094 to 321013 - - - - - - 1944 "UTI" 321014 to 321101 - - - - - - 1945 "UTI" 321102 to 321123 - 1945 "UTU" 321124 to 321959 - - - - - - 1945 "UTC" 321960 to 321961 - - - - - - 1945 "UTU" 321962 to 323171 - 1945"UTS" 323172 to 323647 - - - - - - 1945 "UTI" 323648 to 323747 - - - - - - 1945"UTS" 323748 to 324622 - 1945 "UTC" 324623 to 324647 - 1945"UTI" 324648 to 324748 - 1945 "UTU" 324749 to 325212 - - - - - - 1945 "UTU" 325214 to 325230 - - - - - - 1946 "UTU" 325231 to 325698 - 1946 "UTI" 325699 to 325798 - 1946 "UTU" 325799 to 327348 - 1946 "UTI" 327399 to 327400 - - - - - - 1946 "UTS" 327401 to 328250 - 1946 "UTC" 328251 to 328295 - 1946 "UTIL" 328296 to 328300 - - - - - - 1946 "UTI" 328301 to 328326 - - - - - - 1946 "UTIL" 328327 only - - - - - - 1946 "UTIL" 328328 Funkhouser Rebuilt in field - - - - - 1946 "UTI" 328329 to 328500 - - - - - - 1946 "UTS" 328501 to 328750 UTS trans- - - - - - missions bundle 2819X For sale, Tilne, England - - - - - 1946 "UTS" 328751 to 329661 - - - - - - 1946 "UTS" 329662 to 329750 (butane) - - - - - 1946 "UTI" 329751 only - 1947 "UTU" 329752 to 331625 - - - - - - 1947 "UTU" 331626 to 331652 (equipped w/hyd. Lift 5076X - - - - 1947 "UTU" 331653 only - - - - - - 1947 "UTU" 331654 to 331753 (butane) 1947 "UTI" 331754 to 332003 - - - - - - 1947 "UTS" 332004 to 332919 - - - - - - 1947 "UTS" 332920 to 332993 (butane) - - - - - 1947 "UTS" 332994 to 332995 - - - - - - 1947 "UTS" 332996 to 333005 (butane) 1947 "UTU" 334001 to 334779 - - - - - - 1947 "UTU" 334780 only (butane) - - - - - 1947 "UTU" 334781 to 334798 - - - - - - 1947 "UTU" 334799 to 334826 (butane) - - - - - 1947 "UTU" 334827 to 334829 - - - - - - 1947 "UTU" 334830 to 334939 (butane) - - - - - 1947 "UTU" 334940 to 334971 - - - - - - 1947 "UTU" 334972 to 335000 (butane) 1947 "UTS" 335001 to 335433 - - - - - 1947 "UTS" 335434 to 335443 (butane) - - - - - 1947 "UTS" 335444 to 335494 - - - - - - 1947 "UTS" 335495 to 335506 (butane) - - - - - 1947 "UTS" 335507 to 335554 - - - - - - 1947 "UTS" 335555 to 335559 (butane) - - - - - 1947 "UTS" 335560 only - - - - - - 1947 "UTS" 335561 to 335565 (butane) - - - - - 1947 "UTS" 335566 to 335616 - - - - - - 1947 "UTS" 335617 to 335626 (butane) - - - - - 1947 "UTS" 335627 to 335782 - - - - - - 1947 "UTS" 335783 to 335794 (butane) - - - - - 1947 "UTS" 335795 to 335839 - - - - - - 1947 "UTS" 335840 to 335851 (butane) - - - - - 1947 "UTS" 335852 to 335898 - - - - - - 1947 "UTS" 335899 to 335910 (butane) - - - - - 1947 "UTS" 335911 only - - - - - - 1947 "UTS" 335912 only (butane) - - - - - 1947 "UTS" 335913 to 336000 - 1947 "UTC" 336001 to 336100 - 1947 "UTI" 336101 to 336450 - - - - - - 1947 "UTS" 336451 only - 1947 "UTU" 336452 to 337170 - - - - - - 1947 "UTU" 337171 to 337178 (butane) - - - - - 1947 "UTU" 337179 - only - - - - - - 1947 "UTU" 337180 - only (butane) - - - - - 1947 "UTU" 337181 to 337182 - - - - - - 1947 "UTU" 337183 to 337187 (butane) - - - - - 1947 "UTU" 337188 to 337233 - - - - - - 1947 "UTU" 337234 to 337248 (butane) - - - - - 1947 "UTU" 337250 to 337294 - - - - - - 1947 "UTU" 337295 to 337312 (butane) - - - - - 1947 "UTU" 337313 to 337417 - - - - - - 1948 "UTU" 337418 to 337474 - - - - - - 1948 "UTU" 337475 to 337489 (butane) - - - - - 1948 "UTU" 337490 to 337536 - - - - - - 1948 "UTU" 337537 to 337551 (butane) - - - - - 1948 "UTU" 337552 to 337603 - - - - - - 1948 "UTU" 337604 to 337623 (butane) - - - - - 1948 "UTU" 337624 to 337663 - - - - - - 1948 "UTU" 337664 to 337679 (butane) - - - - - 1948 "UTU" 337680 to 337721 - - - - - - 1948 "UTU" 337722 to 337736 (butane) - - - - - 1948 "UTU" 337737 only - - - - - - 1948 "UTU" 337738 to 337740 (butane) - - - - - 1948 "UTU" 337741 to 337783 - - - - - - 1948 "UTU" 337784 to 337799 (butane) - - - - - 1948 "UTU" 337800 to 337843 - - - - - - 1948 "UTU" 337844 to 337860 (butane) - - - - - 1948 "UTU" 337861 to 337904 - - - - - - 1948 "UTU" 337905 to 337924 (butane) - - - - - 1948 "UTU" 337925 to 337964 - - - - - - 1948 "UTU" 337965 to 337979 (butane) - - - - - 1948 "UTU" 337980 to 338035 - - - - - - 1948 "UTU" 338036 only (butane) - - - - - 1948 "UTU" 338037 to 338042 - - - - - - 1948 "UTU" 338043 to 338046 (butane) - - - - - 1948 "UTU" 338047 to 338051 - - - - - - 1948 "UTU" 338052 to 338053 Numbers Cancelled - - - - 1948 "UTU" 338054 to 338103 Tractors Renumbered for first utu's in 1949 - - - 1948 "UTU" 338104 to 338603 - - - - - - - - - - - 1948 "UTS" 338604 to 338987 - - - - - - 1948 "UTS" 338988 to 339007 (butane) - - - - - 1948 "UTS" 339008 to 339051 - - - - - - 1948 "UTS" 339052 only (butane) - - - - - 1948 "UTS" 339053 to 339058 - - - - - - 1948 "UTS" 339059 to 339066 (butane) - - - - - 1948 "UTS" 339067 to 339101 - - - - - - 1948 "UTS" 339102 to 339104 (butane) - - - - - 1948 "UTS" 339105 to 339165 - - - - - 1948 "UTS" 339166 only (butane) - - - - - 1948 "UTS" 339167 to 339181 - - - - - - 1948 "UTS" 339182 to 339195 (butane) - - - - - 1948 "UTS" 339196 only - - - - - - 1948 "UTS" 339197 to 339199 (butane) - - - - - 1948 "UTS" 339200 - only - - - - - - 1948 "UTS" 339201 - only (butane) - - - - - 1948 "UTS" 338202 to 339206 - - - - - - 1948 "UTS" 339207 to 339214 (butane) - - - - - 1948 "UTS" 339215 only - - - - - - 1948 "UTS" 339216 to 339221 (butane) - - - - - 1948 "UTS" 339222 only - - - - - - 1948 "UTS" 339223 to 339225 (butane) - - - - - 1948 "UTS" 339226 to 339453 - - - - - - 1948 "UTI" 339454 to 339682 - 1948 "UTU" 0114800001 to 0114800313 - 1948 "UTS" 0124800001 to 0124800476 - 1948 "UTU" 0114800314 to 0114800328 (butane) 1948 "UTS" 0124800477 to 0124800478 (butane) 1948 "UTU" 0114800329 to 0114800353 - 1948 "UTS" 0124800479 to 0124800491 - 1948 "UTU" 0114800354 only (butane) 1948 "UTS" 0124800492 only (butane) 1948 "UTU" 0114800355 to 0114800357 - 1948 "UTS" 0124800493 to 0124800494 - 1948 "UTU" 0114800358 to 0114800363 (butane) 1948 "UTS" 0124800495 only (butane) 1948 "UTU" 0114800365 only - 1948 "UTS" 0124800496 only 1948 "UTU" 0114800366 to 0114800370 (butane) 1948 "UTS" 0124800497 only (butane) 1948 "UTU" 0114800371 to 0114800422 - 1948 "UTS" 0124800498 only - 1948 "UTU" 0114800423 to 0114800437 (butane) 1948 "UTS" 0124800499 only (butane) 1948 "UTU" 0114800438 to 0114800477 - 1948 "UTS" 0124800500 only - 1948 "UTU" 0114800478 to 0114800488 (butane) 1948 "UTS" 0124800501 to 0124800514 (butane) 1948 "UTU" 0114800489 only - 1948 "UTS" 0124800515 to 0124800555 - 1948 "UTU" 0114800490 to 0114800500 (butane) 1948 "UTS" 0124800556 to 0124800562 (butane) 1948 "UTU" 0114800501 to 0114800542 - 1948 "UTS" 0124800563 to 0124800585 - 1948 "UTU" 0114800543 to 0114800563 (butane) 1948 "UTS" 0124800586 - only (butane) 1948 "UTU" 0114800564 to 0114800605 - 1948 "UTS" 0124800587 - only - 1948 "UTU" 0114800606 to 0114800620 (butane) 1948 "UTS" 0124800588 to 0124800591 (butane) 1948 "UTU" 0114800621 to 0114800713 - 1948 "UTS" 0124800592 to 0124800600 - 1948 "UTU" 0114800714 to 0114800736 (butane) 1948 "UTS" 0124800601 only (butane) 1948 "UTU" 0114800737 - only - 1948 "UTS" 0124800602 to 0124800612 - 1948 "UTU" 0114800738 - only (butane) 1948 "UTS" 0124800613 to 0124800624 (butane) 1948 "UTU" 0114800739 to 0114800778 1948 "UTS" 0124800625 to 0124800650 - 1948 "UTU" 0114800779 to 0114800798 (butane) 1948 "UTS" 0124800651 to 0124800656 (butane) 1948 "UTU" 0114800799 to 0114801201 - 1948 "UTS" 0124800657 to 0124800667 - 1948 "UTU" 0114801202 only (butane) 1948 "UTS" 0124800668 to 0124800670 (butane) 1948 "UTU" 0114801203 to 0114801952 - 1948 "UTS" 0124800671 only Number Canceled 1948 "UTU" 0114801953 to 0114802052 (butane) 1948 "UTS" 0124800672 to 0124800686 (butane) 1948 "UTU" 0114802053 only - 1948 "UTS" 0124800687 to 0124800732 - - - - - - 1948 "UTS" 0124800733 to 0124800743 (butane) - - - - - 1948 "UTS" 0124800744 to 0124800994 - - - - - - 1948 "UTS" 0124800995 to 0124801009 (butane) - - - - - 1948 "UTS" 0124801010 to 0124801053 - - - - - - 1948 "UTS" 0124801054 - only (butane) - - - - - 1948 "UTS" 0124801055 - only - - - - - - 1948 "UTS" 0124801056 to 0124801075 (butane) - - - - - 1948 "UTS" 0124801076 to 0124801114 - - - - - - 1948 "UTS" 0124801115 to 0124801127 (butane) - - - - - 1948 "UTS" 0124801128 to 0124801133 - - - - - - 1948 "UTS" 0124801134 to 0124801142 (butane) - - - - - 1948 "UTS" 0124801143 to 0124801164 - - - - - - 1948 "UTS" 0124801165 - (butane) - - - - - 1948 "UTS" 0124801166 to 0124801206 - - - - - - 1948 "UTS" 0124801207 to 0124801220 (butane) - - - - - 1948 "UTS" 0124801221 to 0124801243 - - - - - - 1948 "UTS" 0124801244 to 0124801249 (butane) - - - - - 1948 "UTS" 0124801250 to 0124801254 - - - - - - 1948 "UTS" 0124801255 only (butane) - - - - - 1948 "UTS" 0124801256 to 0124801257 - - - - - - 1948 "UTS" 0124801258 - only (butane) - - - - - 1948 "UTS" 0124801259 - only - - - - - - 1948 "UTS" 0124801260 to 0124801264 (butane) - - - - - 1948 "UTS" 0124801265 to 0124801274 - - - - - - 1948 "UTS" 0124801275 to 0124801279 (butane) - - - - - 1948 "UTS" 0124801280 to 0124801293 - - - - - - 1948 "UTS" 0124801294 to 0124801297 (butane) - - - - - 1948 "UTS" 0124801298 to 0124801309 - - - - - 1948 "UTS" 0124801310 to 0124801313 (butane) - - - - - 1948 "UTS" 0124801314 to 0124801327 - - - - - 1948 "UTS" 0124801328 to 0124801334 (butane) - - - - - 1948 "UTS" 0124801335 to 0124801359 - - - - - 1948 "UTS" 0124801360 to 0124801365 (butane) - - - - - 1948 "UTS" 0124801366 to 0124801440 - - - - - 1948 "UTS" 0124801441 to 0124801447 (butane) - - - - - 1948 "UTS" 0124801448 to 0124801456 - - - - - 1948 "UTS" 0124801457 to 012481463 (butane) - - - - - Note: The ending Serial # above is exactly - - - - - - as appears in M-M records. - - - - - - 1948 "UTS" 0124801464 to 0124801497 - - - - - - 1948 "UTS" 0124801498 to 0124801503 (butane) - - - - - 1948 "UTS" 0124801504 to 0124801511 - - - - - - 1948 "UTS" 0124801512 to 0124801518 (butane) - - - - - 1948 "UTS" 0124801519 to 0124801570 - - - - - - 1948 "UTS" 0124801571 to 0124801574 (butane) - - - - - 1948 "UTS" 0124801575 only - - - - - - 1948 "UTS" 0124801576 to 0124801577 (butane) - - - - - 1948 "UTS" 0124801578 to 0124801579 - - - - - - 1948 "UTS" 0124801580 only (butane) - - - - - 1948 "UTS" 0124801581 to 0124801586 - - - - - - 1948 "UTS" 0124801587 to 0124801591 (butane) - - - - - 1948 "UTS" 0124801592 to 0124801642 - - - - - - 1948 "UTS" 0124801643 to 0124801651 (butane) - - - - - 1948 "UTS" 0124801652 to 0124802276 - Note: 1948 and before UTI's and UTIL's are listed above in numarical order with the UTS's - - - Note: 1947 and before UTC's are listed above in numarical order with the UTU's - - - - 1948 "UTC" 0154800001 to 0154800300 - 1949 "UTI" 0134900001 to 0134900088 - 1949 "UTC" 0154900001 to 0154900100 - 1951 "UTI" 01300090 to 01300119 - 1951 "UTC" 01500101 to 01500180 - 1952 "UTI" 01300120 to 01300139 - 1952 "UTC" 01500181 to 01500265 - 1953 "UTI" 01300140 to 01300141 - 1954 "UTC" 01500266 to 01500271 - 1953 UTI 12volt 07200001 to 07200016 - 1954 UTC 12volt 08800001 to 08800060 - 1954 UTI 12volt 07200017 to 07200035 - 1955 UTC 12volt 08800061 to 08800110 - 1955 UTI 12volt 07200036 to 07200123 - - - - - - 1956 UTI 12volt 07200124 to 07200173 - Note: I have not found any information on which UTI's were made into UTIL's except in 1946 - - - "UTIL's in 1953 serial numbers start with 07100001 no info found on ending numbers or total. - - - Note: I have not found any information on which tractors were made butane after 1948 - - - 1949 "UTU" 0114900001 to 0114900050 - - - - - - The above tractors renumbered from 1948 #338054 to #338103 - - - - - 1949 "UTU" 0114900051 to 0114905000 - 1949 "UTS" 0124900001 to 0124903901 - 1950 "UTU" 0115000001 to 01105383 - 1950 "UTS" 0125000001 to 01203850 - 1951 "UTU" 01105384 to 01110117 - 1951 "UTS" 01203851 to 01207138 - 1952 "UTU" 01110118 to 01113449 - 1952 "UTS" 01207139 to 01210570 - 1954 "UTU" 01113450 to 01113453 - 1953 "UTS" 01210571 to 01213219 - 1955 "UTU" 01113454 to 01113456 - 1954 "UTS" 01213220 to 01213325 - - - - - - 1955 "UTS" 01213326 to 01214125 - 1950 "UTN" 0385000001 to 0385000101 - "UTS Special" - 1951 "UTN" 03800102 to 03800204 - 1956 01214126 to 01215100 - 1952 "UTN" 03800205 to 03800354 - 1957 01215101 to 01215150 - - - - - - - - - - - 1951 "UTE" 04300001 to 04300111 - - - - - - 1952 "UTE" 04300112 to 04300261 - - - - - - 1953 "UTE" 04300262 to 04300264 - - - - - - 1954 "UTE" 04300265 only - - - - - - - - - - - - - - - - 1952 "UDU" 04900001 - - - - - - - 1953 "UDU" 04900002 to 04900030 - - - - - - - - - - - - - - - - UB SIRIES - 1953 "UBU" 05800001 to 05802912 - 1954 "UBUD" 07800001 to 07800746 - 1954 "UBU" 05802913 to 05804002 - 1955 "UBUD" 07800747 to 07801041 - 1955 "UBU" 05804003 to 05805077 - - - - - - - - - - - 1954 "UBED" 07000001 to 07000231 - 1953 "UBE" 05900001 to 05900896 - 1955 "UBED" 07000232 to 07000362 - 1954 "UBE" 05900897 to 05901068 - - - - - - 1955 "UBE" 05901069 to 05901421 - 1955 "UBND" 06900001 to 06900048 - - - - - - - - - - - 1953 "UBN" 06000001 to 06000202 - - - - - - 1954 "UBN" 06000202 to 06000207 - - - - - - 1955 "UBN" 06000208 to 06000241 - - - - - - - - - - - - - - - - UB Special Gas - UB Special Diesel - 1955 " 09700001 to 09701475 - 1955 09800001 to 09800300 - - - - - - 1956 09800301 to 09800464 - - - - - - 1957 09800465 to 09800520 - - - - - - 09800521 Last Number - Note: Minneapolis-Moline info is limited, if anyone has more accurate info that can be added above, please send me a email at gtstoday@gmail.com Thank's, George Our Research Source Bret Green's M-M U Series, Old Tractor Pull'n WebPage (1998) Tony Turner's Unofficial M-Moline, Old Informative Website (2004) Jeremy Fiorelli's Twin City & M-M., Old Tractor Pull'n WebPage (2001) TTG The Tractor Guys, Research Division, Western, Connecticut, USA