Starter Switch For Allis Chalmers Tractor B C Ca Rc Wc Wf Wd Wd45 100% new starter switch meets OEM quality for tractors and farm equipment 1-year warranty covers you throughout planting and harvesting seasons Factory direct pricing delivers an honest value for hard-earned money Replaces OEM Numbers: Allis Chalmers: 226128 Specs: Note : 6-12 volt, 1-terminal For: Delco Early 6-12V DD Starters w/ exposed shift lever. One (1) 3/8-16 terminal. Note: Mounting holes: 7/32 x 9/32, 1.40 in. center to center.