Unchained R4s aren't that good for winter traction, I believe unchained turf tires do much better.
Here's a previous discussion about R4's vs turfs in snow.
	
	
		
			
				
					
						
					
				
			
			
				
					
						
							
						
					
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			Here's a previous discussion about R4's vs turfs in snow.
					
				What tires work best in the snow for my Kubota BX- turf or R4's?
I've been using turfs with chains for the last two winters.  Absolutely love that combo.  Putting my chains on tomorrow.  Joe
				
