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					Originally Posted by  frizzen
					 
				 
				I'd probably treat it like a crawler, start with 1/2 to 1 pound of lead solder wrapped around each rim, and add from there.  Losi crawler axles can stand up to a bunch of weight. Ya need weight, your sidewalls aren't even 'aired down' yet. 
			
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 I agree with this 100%.  When I converted (The FIRST ONE I tried) the Bruder D5 dozer, I DIDN't add weight. It wouldn't grab enough traction to get outta it's own way.  The SECOND one, the one I'm working on now, I added weight. It performs MUCh better this time around.