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|  | Crawlers | 
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|  | Allis-Chalmers | 
|  | Monarch Model 50 | 
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|  | Caterpillar | 
|  | Model 10   1929 | 
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|  | Caterpillar | 
|  | 2 Ton  1928 | 
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|  | Caterpillar | 
|  | 2 Ton | 
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|  | Caterpillar | 
|  | Model ?? | 
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|  | Caterpillar | 
|  | Model D 2 | 
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|  | Caterpillar | 
|  | Model 30 | 
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|  | Caterpillar | 
|  | Model 40 | 
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|  | Caterpillar | 
|  | Model 60 | 
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|  | caterpillar  | 
|  | Model 60 | 
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|  | Cletrac | 
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|  |  | 
	
|  | Oliver Cletrac | 
|  | Model HG | 
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|  | Oliver Cletrac | 
|  | Model HG | 
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|  | International | 
|  | TD 40 | 
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|  | John Deere | 
|  | Linderman | 
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|  | John Deere | 
|  | 40 | 
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|  | other pictures | 
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