Allis Chalmers 1 Austin 1 Avery 1 Bantam 2 Bentley 1 Buick 33 Cadillac 36 Case 1 Caterpillar 1 Chevrolet 45 Chrysler 30 Cletrac 1 CO-OP 1 Crosley 2 DeSoto 35 Diamond T 1 Dodge 52 Eagle 1 Farmall 1 Federal 1 Ford 54 Ford Tractor 14 Fordson 1 GMC 16 Graham 6 Harley-Davidson 2 Huber 1 Hudson 15 Hupmobile 2 International 3 John Deere 1 Lincoln 22 Love 1 Massey-Harris 1 McKormick-Deering 1 Mercury 27 Minneapolis Moline 1 Nash 19 Oldsmobile 33 Oliver 1 Packard 28 Plymouth 36 Pontiac 31 Silver King 1 Studebaker 26 Willys 20 Yellow Coach 2 Reo 1