Depending on your area, you might also use geotextile fabric.  I also think a bigger base is a good idea, but you need some way to pack it.
I'm almost never in 2wheel in the tractor, but I run the Polaris Ranger in 2/1 wheel almost all of the time. Today, I was in 4wd with chains on 4 wheels pushing the snow edge over farther now that it melted a bit. I also had to use the diff lock for part of that to push uphill.
If my property was flat, I might use 2wd more, but then, I probably would have bought a 2wd tractor.
	
		
			
		
		
	
								I'm almost never in 2wheel in the tractor, but I run the Polaris Ranger in 2/1 wheel almost all of the time. Today, I was in 4wd with chains on 4 wheels pushing the snow edge over farther now that it melted a bit. I also had to use the diff lock for part of that to push uphill.
If my property was flat, I might use 2wd more, but then, I probably would have bought a 2wd tractor.
 
				 
				
		 
 
		
 
 
		
 
 
		 
 
		