Replacement Aftermarket belt for 1663009 ALLIS-CHALMERS 2 H.P. Belt Length: 28 in Outside Weight: 0.1 Top Width: 3/8 in Height: 7/32 in Material: Aramid or Kevlar, usually in blue or green color. The kevlar cord construction combine stretch with durability and strength. Recommended use: Heavy duty applications as mowers, snow blowers and other high demand equipment. Replacement belt for Ariens Gravely riding mower: 912002 - 912003 - 912004 - 912005 - 912006 - 912007 - 912008 - 912009 / Replacemenet belt Ariens Gravely Tiller: 901020 - 901021 - 901022 - 902007 - 902014 - 902022 / Replacement belt for John Deere Tiller: 518R / Replacement belt for Ariens Gravely Vacuum: 831018