The road-rail vehicle FRILINER SIV is designed for driving and working on the road, as well as for driving and working on the national, regional and siding tracks.
The vehicle is equipped with two two-wheel rail gears positioned ahead of the front and rear axles. The drive on the track is provided by two tires of the rear car axle by friction against the head of the rail. The front truck axle is held above the rails by a locking mechanism while driving.
The road-rail vehicle FRILINER SIV consists of modified truck, the front rail gear, the rear rail gear, steering lock, lockable cabinet for transport and storage of working equipment, hydraulic systems and electric systems.