John, 2 link chains are the preferred type over 4 link chains and they work best over turfs. Chains, when used on ag tires the chains tend to drop down between the lugs and only grip where the chain passes over the lug. They still work, but Turfs and chains work better. <FONT SIZE="-2">IMO, FWIW, YMMV, My $0.02, Yada, Yada, Yada...</FONT>