See part# SM71457 for 20mm bore flange used on MOTOR shaft of these models

Auto-Calibrating

All are 15-Amp

In brass and stainless steel

220 x 1000 x 10mm - Length:  39

W10 Wiper Motor, 24V, 3-1/2" shaft Tunnel See part# SM71457 for 20mmHD Wiper Motor, 24V, 3 1 2" shaft Standard Wiper Motor for protected installations. Capable of driving long arms and blades in heavy weather. Constructed with solid brass, nickel plated knurled drivenut and bearing. Our drive shaft, mounting bracket and fasteners are all in stainless steel. Proprietary motor magnets result in quieter operation when compared to other, similar motors on the market.