Listed below are the manufacturers that are featured in the latest edition of the Hot Line Antique Tractor Guide: Click here to view sample
| A B Farquhar Co. Ltd. |
Homer Laughlin Engine Corp. |
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| A D Baker & Company |
Huber Manufacturing Company |
| Advance-Rumely |
Intercontinental Manufacturing Co. |
| Thresher Company |
International Harvester Company |
| Advance Thresher Company |
John Deere |
| Allis-Chalmers Company |
Lanz |
| Aultman & Taylor Machinery |
Lauson |
| Avery Company |
Little Giant |
| Bates Steel Mule |
Love |
| Banting Manufacturing Co. |
M-R-S |
| Bell City Manufacturing Co. |
Massey-Ferguson |
| B F Avery and Sons |
Massey-Harris Company |
| Brockway Tractor Company |
McCormick-Deering |
| Buffalo-Pitts Company |
Minneapolis Threshing Machine Co. |
| C L Best |
Minneapolis-Moline Company |
| J I Case Company |
Moline Plow Company |
| Caterpillar Tractor Company |
Nelson Blower & Furnace Company |
| Centaur |
New Holland |
| Cletrac |
New Idea |
| Cleveland Tractor Company |
New Racine Thresher |
| Co-operative Manufacturing Company |
Nichols & Shepard |
| Cockshutt Plow Company |
Nilson Tractor Company |
| Corbitt Company |
Nuffield |
| David Brown |
Oliver Corporation |
| Dentz Fahr |
OMC |
| Eagle Manufacturing Company |
Parrett |
| Earthmaster Farm Equipment |
Porsche |
| Emerson & Brantingham Implement Co. |
Port Huron Engine & Thresher Co. |
| Empire |
Russell & Co. |
| Euclid |
Samson Tractor Works |
| Farmaster Corporation |
Sawyer-Massey Company |
| Fate-Root-Heath Company |
Shaw Manufacturing Company |
| Fendt |
Shelby R H Sheppard Company |
| Ferguson, Harry, Inc. |
Silver King |
| Ford, Henry & Son |
Steiger |
| Frick |
Terex |
| Friday |
Thieman Harvester Company |
| Gehl |
Twin City |
| Geiser Manufacturing Co. |
Versatile |
| Gibson Corporation |
Volvo |
| Gleaner |
Wagner-Langemo Co. |
| Graham-Paige |
Wagner Tractor, Inc. |
| Motors Corp. |
Wallis Tractor Company |
| Gray Tractor Company |
White |
| Happy Farmer Tractor Company |
Wood Bros. Threshing Co. |
| Harris Manufacturing Company |
Yuba |
| Harrison Machine Works |
Zetor |
| Hart-Parr Company |
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| Heebner & Sons |
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| Heider Manufacturing Company |
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| Holt |
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