A 3/4D castellated transmission socket, equivalent to OEM 98765, as used on Scania trucks. Suitablefor loosening and tightening the main shaft retaining nut. Applications include: Scania 310, 320 and 340 trucks. Equivalent to OEM 98765; used to remove and fit OEM nuts: 1525988, 387877, 353959 and 525988. 3/4 drive, 4 tooth castellated socket with black phosphate finish. Inner diameter: 64mm; outer diameter: 81.7mm; skirt inner diameter: 70.2mm; height: 65mm. Manufactured from S45C steel, hardness HRC 38-42. Transmission toothed socket for Scania L-, P-, G-, R- and S-T Series also available, see Part No. 7780.