Rack and pinion and adhesion drive locomotive

Rack and pinion drive trolley with slip-ring drive wheel

Rack-rail assembly for a mining machine

Radial articulated truck

Radial axle railway truck

Radial axle railway truck

Radial axle railway truck disc brakes

Radial axle railway truck with axle couplings at sides transvers

Radial bogie with steering beam mount unitized brake

Radial control three axle running gear for rail vehicles

Radial railway truck

Radial railway truck

Radial truck

Radial trucks

Radially adjustable running gear for a railborne vehicle

Radially side mounted railway car truck

Radially steering railway truck assembly

Rail and carriage system with magnetically adhered plastic track

Rail bogie for convertible rail-highway vehicle

Rail bogie for transporting semi-trailers with vertically movabl