Pressure Plate: 9", bolts set/2. PART NO: A-70228926. Clutch Parts > Single Clutch Allis-Chalmers POWER UNIT: G138 Allis-Chalmers TRACTOR: B Allis-Chalmers TRACTOR: C Allis-Chalmers TRACTOR: CA Allis-Chalmers TRACTOR: D10 (S/N < 3501) Allis-Chalmers TRACTOR: D12 (S/N < 3001) Allis-Chalmers TRACTOR: D14 Allis-Chalmers TRACTOR: WF. . MODELS: Allis-Chalmers POWER UNIT: G138 Allis-Chalmers TRACTOR: B Allis-Chalmers TRACTOR: C Allis-Chalmers TRACTOR: CA Allis-Chalmers TRACTOR: D10 (S/N < 3501) Allis-Chalmers TRACTOR: D12 (S/N < 3001) Allis-Chalmers TRACTOR: D14 Allis-Chalmers TRACTOR: WF.