Terminal W, Voltage 28, Amp 65, One Wire hookup (Self exciting) Yes, Radius 2 117.50, B+ M6, Rotation CW, Regulator type IR, Belt Adjustment Bracket Hole 1 1/2" UNC, Mounting Bracket Distance 103.00, Radius 116.00, Prod. info BN, Bracket Hole Size Rear 13.00, Pulley w/o, Bracket Hole Size 1 12.00, Servicing International, Case, Holder Arm Width 12.00, Belt Adjustment Bracket Hole Position 60, Total Length 226.50, Remarks Replacing: 27SI. Shaft diameter: 22.00 mm. Fan: HC-CARGO 131854., B+ Position 57