In this section you can find programs to size the transmission, download CAD drawings, consult stocks, send orders 24/7 directly from the web and more.
![SitDrive](https://sitspa.com/wp-content/uploads//sit-drive.png)
SitDrive
Calculation software for “V” and timing belt drives.
![SitCoupling](https://sitspa.com/wp-content/uploads//sit-coupling.png)
SitCoupling
Calculation software for power transmission couplings.
![CAD Drawings](https://sitspa.com/wp-content/uploads//disegni-cad.png)
CAD Drawings
Download CAD drawings.
![Asahi CAD Drawings](https://sitspa.com/wp-content/uploads//Icona-Asahi-Cad-1.png)
Asahi CAD Drawings
Download Asahi Bearing CAD drawings (DXF/STEP).
![ElaCleats](https://sitspa.com/wp-content/uploads//ela-cleats.png)
ElaCleats
Download in CAD or PDF format the most suitable cleat for your polyurethane belt.
![Nautilus e-sales 2024](https://sitspa.com/wp-content/uploads//Icona-Nautilus-2024.png)
Nautilus e-sales 2024
Web orders and real-time information. New user friendly, fast and flexible e-commerce site.
![Nidec-Shimpo Selection](https://sitspa.com/wp-content/uploads//shimpo-servo-reducer-selection.png)
Nidec-Shimpo Selection
Shimpo Planetary Gearboxes selection program.