Belt, Fan (set/2). PART NO: A-70267630. The Automotive Wedge belt provides high stability while minimizing deflection. The automotive wedge belt utilizes stiff polyester cords for length stability. The wedge belts molded cogs reduce bending stress and improve heat dissipation in cut edge cogged belts. Set Qty2. . MODELS: Allis-Chalmers TRACTOR: 7030 Allis-Chalmers TRACTOR: 7040 Allis-Chalmers TRACTOR: 7045 Allis-Chalmers TRACTOR: 7050 Allis-Chalmers TRACTOR: 7060.