Posted by BarnyardEngineering on November 30, 2020 at 06:52:16 from (98.17.202.245):
In Reply to: 18.4-34 vs. 18.4-38 posted by swindave on November 29, 2020 at 10:07:40:
Tire technology has come a LONG way since 1965. Modern 18.4x34's can EASILY handle 100HP+ without slipping the bead.
Most of the reason you see "either-or" on 100HP tractors is because that's where the crossover is where the tractor has enough power to turn the bigger tire effectively.
With the 34's, you will have a slower ground speed and a little more "power" because of the smaller diameter of the tire.
At this stage of the game, what's "best" is what the tractor came with, because it is cost prohibitive to change. Tires are expensive. Rims are a expensive. Most of the time you also need different hubs too, so yet another expense.
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Today's Featured Article - Tractor Profile: Oliver 70 Row Crop - by Staff. The Oliver 70 was part of the "Fleetline Series" and was manufacturered from 1937 to 1948. The row-crop configuration could have either dual or single front wheels. The Oliver 70 was also offered in the standard, orchard and industrial configurations. The tractors were sold in Canada. An early advertisement states "Power when you want it - power when you need it - power to help put in crops when field conditions are right and time and help are limited. That's the power you'll find in an Oliv
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