Belt, Fan (G2500 GAS SN < -2G-05728). PART NO: A-70243021. The Cogged Wedge v-belts can transmit higher powers to the extent of 1.5 to 2 times the amount of classical belts with the same top width. This has been achieved by the dimensional changes along with a better cord construction and the optimum placing of the cord line to best support the cord while in motion. The proven wedge configuration assures stability when heavy shock loads are encountered. Clutching is smooth, with no grabbing or jerking. QUANTITY YOU WILL RECEIVE: 1. MODELS: Allis-Chalmers TRACTOR: 180 Allis-Chalmers TRACTOR: 185 Allis-Chalmers TRACTOR: 190 (G2500 GAS SN < -2G-05728) Allis-Chalmers TRACTOR: 190XT (G2500 GAS SN < -2G-05728).