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| I ran a 1660 that had a rock trap on it for 10 years. When it was new CIH didn't have the o-ring chain & we replaced the chain every year. Went to the o-ring chain when they came out with it & would get 3 years out of one. This was running about 1,500 ac a year thru the machine. Traded up to a 2366 & would run 2 years (2,500 ac/yr) on a chain. Price wise, IMO the o-ring was actually cheaper when you figured the acres it would lasst in comparrison to a HD regular chain. | |
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