Voltage 28, Amp 75, Pulley w/o, Bracket Hole Size 1 13.00, Prod. info BN, Bracket Hole Size Rear 13.20, Holder Arm Width 14.00, Servicing Caterpillar, B+ 7/16" UNC, Radius 2 99.00, Mounting Bracket Distance 101.50, Radius 99.00, Rotation CW/CCW, Belt Adjustment Bracket Hole 1 1/2" UNC, Remarks Replacing: 25SI. One-wire system. B+: 7/16"., Belt Adjustment Bracket Hole Position 60, Total Length 306.00