US Army Marine Tractors
(MT, MTL) Built During WWII
A total of 1,251 marine tractors (MTs) and marine tow launches (MTLs) were built for the US Army during WWII by 41 boatbuilders. All were of wood. Most of the MTs were either 26 feet or 36 feet in length, while the MTLs were 46 feet.
| Builder | Location | Design | LOA | Delivered | Notes | |
| MT-1-30 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 3/1942 - 5/1942 | |
| MT-31-55 | 207-A | Dodge Boat & Plane | Newport News VA | 26 | 4/1942 - 6/1942 | |
| MT-56-96 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 9/1942 - 2/1943 | |
| MT-97-106 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 8/1942 - 12/1942 | |
| MT-107-136 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 2/1943 - 4/1943 | |
| MT-137-177 | 207-A | Richardson boat | Tonawanda NY | 26 | 1/1943 - 4/1943 | |
| MT-194-203 | 207-A | Motor Boat Marina | Seattle WA | 26 | 2/1943 | |
| MTL-204-208 | 324 | Northeast Shipbuilding | Quincy MA | 46 | 4/1943 - 5/1943 | |
| MTL-209-213 | 324 | John & Associates | Rye NY | 46 | 3/1943 - 6/1943 | |
| MT-214-215 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 4/1943 | |
| MTL-216-225 | 324 | Muzzio Bros. | Stamford CT | 46 | 4/1943 - 5/1943 | |
| MTL-226-230 | 324 | Stowman Shipyard | Dorchester NJ | 46 | 3/1943 - 4/1943 | |
| MTL-231-235 | 324 | Johnson Bros. | Point Pleasant NJ | 46 | 3/1943 - 5/1943 | |
| MTL-236-241 | 324 | Hinckley & Co. | Southwest Harbor ME | 46 | 4/1943 - 6/1943 | |
| MTL-242-246 | 324 | Moyer & Son | Ocean City NJ | 46 | 3/1943 - 4/1943 | |
| MTL-247-251 | 324 | Johnson, Morton | Bay Head NJ | 46 | 3/1943 - 5/1943 | |
| MTL-252-255 | 324 | Kretzer Boat Works | City Island NY | 46 | 4/1943 - 7/1943 | |
| MTL-256-260 | 324 | Cape Cod Shipbuilding | Wareham MA | 46 | 4/1943 - 5/1943 | |
| MTL-261-265 | 324 | Graves, J. E. | Marblehead MA | 46 | 4/1943 - 5/1943 | |
| MTL-266-270 | 324 | Dawn Cruisers | Classon Point NY | 46 | 4/1943 - 5/1943 | |
| MTL-271-275 | 324 | John & Associates | Rye NY | 46 | 3/1943 - 6/1943 | |
| MT-276-285 | 329 | Grandy boat | N. Seattle WA | 36 | 5/1943 - 7/1943 | |
| MT-289-291 | 329 | Adams Boat Works | Seattle WA | 36 | 7/1943 | |
| MT-292-311 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 4/1943 | |
| MT-312-321 | 329 | Gray's Harbor Shipbuilding | Aberdeen WA | 36 | 4/1943 - 5/1943 | |
| MT-322-324 | 329 | Jensen & Sons | Friday Harbor WA | 36 | 5/1943 - 7/1943 | |
| MT-325-334 | 329 | Jensen Motor boat | Seattle WA | 36 | 6/1943 - 9/1943 | |
| MT-335-344 | 329 | Grandy boat | N. Seattle WA | 36 | 5/1943 - 7/1943 | |
| MT-345-382 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 4/1943 - 7/1943 | |
| MT-383-389 | 329 | Hunt Marine Service | Richmond CA | 36 | 6/1943 - 9/1943 | |
| MTL-390-397 | 324-A | Graves, J. E. | Marblehead MA | 47 | 9/1943 - 12/1943 | |
| MTL-398-408 | 410 | Graves, J. E. | Marblehead MA | 46 | 12/1943 - 4/1944 | |
| MTL-410-424 | 410 | Hinckley & Co. | Southwest Harbor ME | 46 | 12/1943 - 3/1944 | |
| MT-438-489 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 8/1943 - 4/1944 | |
| MTL-490-498 | 324-A | Northeast Shipbuilding | Quincy MA | 47 | 10/1943 - 12/1943 | |
| MTL-499-507 | 410 | Northeast Shipbuilding | Quincy MA | 46 | 12/1943 - 3/1944 | |
| MTL-510-515 | 324-A | Moyer & Son | Ocean City NJ | 47 | 9/1943 - 10/1943 | |
| MTL-516-533 | 410 | Moyer & Son | Ocean City NJ | 46 | 11/1943 - 3/1944 | |
| MTL-537-554 | 324-A | Wareham Shipyard | Wareham MA | 47 | 9/1943 - 1/1944 | |
| MTL-555-564 | 410 | Wareham Shipyard | Wareham MA | 46 | 1/1944 - 3/1944 | |
| MTL-565 | 324-A | John & Associates | Rye NY | 47 | 11/1943 | |
| MTL-566-583 | 410 | John & Associates | Rye NY | 46 | 12/1943 - 3/1944 | |
| MTL-594-613 | 324-A | Muzzio Bros. | Stamford CT | 47 | 9/1943 - 12/1943 | |
| MTL-614-619 | 410 | Muzzio Bros. | Stamford CT | 46 | 12/1943 - 1/1944 | |
| MTL-620-629 | 324-A | Dawn Cruisers | Classon Point NY | 47 | 9/1943 - 12/1943 | |
| MTL-630-642 | 410 | Dawn Cruisers | Classon Point NY | 46 | 12/1943 - 3/1944 | |
| MTL-647-652 | 324-A | Johnson Bros. | Point Pleasant NJ | 47 | 9/1943 - 11/1943 | |
| MTL-653-658 | 324-A | Morton Johnson | Bay Head NJ | 47 | 10/1943 - 12/1943 | |
| MTL-659-663 | 324-A | Kretzer Boat Works | City Island NY | 47 | 9/1943 - 1/1944 | |
| MTL-664 | 410 | Kretzer Boat Works | City Island NY | 46 | 3/1944 | |
| MT-671-730 | 207-A | Motor Boat Marina | Seattle WA | 26 | 3/1943 - 6/1944 | |
| MTL-731-738 | 324-A | Elscot boat | City Island NY | 47 | 9/1943 - 11/1943 | |
| MTL-739-748 | 410 | Elscot boat | City Island NY | 46 | 11/1943 - 3/1944 | |
| MTL-749-762 | 324-A | Stowman Shipyard | Dorchester NJ | 47 | 9/1943 - 11/1943 | |
| MTL-763-768 | 410 | Stowman Shipyard | Dorchester NJ | 46 | 11/1943 - 1/1944 | |
| MTL-769-776 | 324-A | Eddy Shipbuilding | Bay City MI | 47 | 9/1943 - 11/1943 | |
| MTL-777-788 | 410 | Eddy Shipbuilding | Bay City MI | 46 | 11/1943 - 2/1944 | |
| MTL-789-794 | 324-A | Palmer Scott | New Bedford MA | 47 | 9/1943 - 11/1943 | |
| MTL-795 | 324-A | Palmer Scott | New Bedford MA | 47 | 12/1943 | |
| MTL-796-799 | 324-A | Palmer Scott | New Bedford MA | 47 | 9/1943 - 11/1943 | |
| MTL-800-808 | 410 | Palmer Scott | New Bedford MA | 46 | 12/1943 - 2/1944 | |
| MTL-809-818 | 324-A | Northeast Shipbuilding | Quincy MA | 47 | 9/1943 - 10/1943 | |
| MTL-824-838 | 324-A | John & Associates | Rye NY | 47 | 9/1943 - 11/1943 | |
| MTL-839-858 | 324-A | Brownsville Shipbuilding | Brownsville TX | 47 | 9/1943 - 11/1943 | |
| MTL-859-870 | 410 | Muzzio Bros. | Stamford CT | 46 | 1/1944 - 3/1944 | |
| MTL-877-886 | 324-A | Gar Wood Industries | Marysville MI | 47 | 11/1943 - 12/1943 | |
| MTL-887-900 | 410 | Gar Wood Industries | Marysville MI | 46 | 1/1944 - 3/1944 | |
| MTL-902-913 | 324-A | Moyer & Son | Ocean City NJ | 47 | 9/1943 - 10/1943 | |
| MTL-914-920 | 324-A | Stonington Yacht Basin | Stonington ME | 47 | 9/1943 - 11/1943 | |
| MTL-921-923 | 410 | Stonington Yacht Basin | Stonington ME | 46 | 11/1943 - 12/1943 | |
| MTL-924-931 | 324-A | Robinson Marine | Benton Harbor MI | 47 | 10/11-11/1943 | |
| MTL-932-948 | 410 | Robinson Marine | Benton Harbor MI | 46 | 11/1943 - 2/1944 | |
| MTL-949-963 | 410 | Gulf Marine Ways | Galveston TX | 46 | 12/1943 - 1/1944 | |
| MTL-984-992 | 410 | Stonington Yacht Basin | Stonington ME | 46 | 12/1943 - 2/1944 | |
| MTL-993-1000 | 410 | Eddy Shipbuilding | Bay City MI | 46 | 11/1943 - 2/1944 | |
| MTL-1002-1007 | 324-A | Brewster Shipyard | Long Island NY | 47 | 9/1943 - 11/1943 | |
| MTL-1008-1011 | 410 | Brewster Shipyard | Long Island NY | 46 | 12/1943 - 1/1944 | |
| MTL-1012-1032 | 324-A | Hinckley & Co. | Southwest Harbor ME | 47 | 9/1944 - 12/1944 | |
| MTL-1033 | 410 | Hinckley & Co. | Southwest Harbor ME | 46 | 1/1944 | |
| MTL-1034-1036 | 324-A | Hinckley & Co. | Southwest Harbor ME | 47 | 9/1944 - 12/1944 | |
| MTL-1057-1060 | 324-A | Astoria Marine | Astoria OR | 47 | 10/1943 | |
| MTL-1061-1071 | 410 | Astoria Marine | Astoria OR | 46 | 11/1943 - 12/1943 | |
| MTL-1072-1079 | 324-A | Puget Sound Boatbuilding | Tacoma WA | 47 | 9/1943 - 11/1943 | |
| MTL-1080-1086 | 410 | Puget Sound Boatbuilding | Tacoma WA | 46 | 11/1943 - 12/1943 | |
| MTL-1087-1101 | 324-A | N. Pacific Shipbuilding | Anacortes WA | 47 | 10/1943 - 1/1944 | |
| MTL-1102-1113 | 324-A | Gray's Harbor Shipbuilding | Aberdeen WA | 47 | 9/1943 - 11/1943 | |
| MTL-1114-1121 | 410 | Gray's Harbor Shipbuilding | Aberdeen WA | 46 | 11/1943 - 12/1943 | |
| MTL-1122-1141 | 324-A | Johnson Lumber | Toledo OR | 47 | 10/1943 - 12/1943 | |
| MTL-1142-1153 | 324-A | Hoquiam Shipyard | Hoquiam WA | 47 | 9/1943 - 12/1943 | |
| MTL-1154-1161 | 410 | Hoquiam Shipyard | Hoquiam WA | 46 | 12/1943 | |
| MTL-1162-1191 | 324-A | Hodgson-Greene-Haldeman | Long Beach CA | 47 | 10/1943 - 11/1943 | |
| MTL-1192-1201 | 410 | Hodgson-Greene-Haldeman | Long Beach CA | 46 | 12/1943 | |
| MTL-1202-1213 | 324-A | Wilson | Wilmington CA | 47 | 10/1943 - 11/1943 | |
| MTL-1214-1221 | 410 | Wilson | Wilmington CA | 46 | 11/1943 - 1/1944 | |
| MTL-1222-1227 | 324-A | Victory Shipbuilding | Newport Beach CA | 47 | 10/1943 - 11/1943 | |
| MTL-1228-1231 | 410 | Victory Shipbuilding | Newport Beach CA | 46 | 11/1943 - 12/1943 | |
| MTL-1232-1237 | 324-A | Ackerman boat | Newport Beach CA | 47 | 10/1943 | |
| MTL-1238-1256 | 410 | Hodgson-Greene-Haldeman | Long Beach CA | 46 | 1/1944 - 3/1944 | |
| MT-1257-1281 | 207-A | Hoquiam Shipyard | Hoquiam WA | 26 | 2/1944 - 6/1944 | |
| MT-1282-1296 | 207-A | Lester & Franck | Seattle WA | 26 | 2/1944 - 5/1944 | |
| MT-1298-1317 | 207-A | Gray's Harbor Shipbuilding | Aberdeen WA | 26 | 2/1944 - 5/1944 | |
| MT-1318-1337 | 207-A | Chilman Shipyard | Hoquiam WA | 26 | 2/1944 - 6/1944 | |
| MT-1338-1357 | 207-A | Victory Shipbuilding | Newport Beach CA | 26 | 3/1944 - 7/1944 | |
| MT-1358-1387 | 207-A | Hinckley & Co. | Southwest Harbor ME | 26 | 4/1944 - 8/1944 | |
| MT-1413-1420 | 207-A | Eddy Shipbuilding | Bay City MI | 26 | 3/1944 - 7/1944 | |
| MT-1421-1429 | acquired |