Torque Limiter

An automatic switch-off torque limiter, designed to prevent damage by excessive torque….

Crawler Loader

A PFS crawler loader, with drive, lifted and tilted pneumatic bucket, thanks to Sariel’s autovalve. Including building instructions….

Skid Steer Loader

A skid steer loader, or rigid loader. Features drives and steering,  and operated bucket (rising and tilting)….

Buldozer With Autovalve

A bulldozer with autovalve, equipped with drive, lifted and swiveling front blade thanks to pneumatic autovalves. Including building instructions….