OK, I'll get away from tractors this time, trucks and pick-ups instead, usefull on a farm.
Republic truck, from the teens:
Power Wagon Ambulance, retired from Broken Bow Newbrassky:
Ford:
31 Chevy:
30 Ford A:
32 Ford Dump Truck:
35 Ford Wrecker:
I'd a called this a 54 Chevy, but the sign said it was a 55 1st Series, so the other style must have been a mid-year intro:
Interesting, it had a powerglide:
51 Binder, 3/4 ton:
And my favorite, but the least useful, 29 Ford Model A Roadster Pick-up: