For more than 70 years SGF's drive shaft and steering couplings have proven their high reliability and effectiveness. These f ... lexible couplings and driveshafts with their fiber reinforcement are used successfully throughout the world in drive shafts of passenger cars, commercial vehicles, locomotives, Trains & Trams, harvesters, power gens, CHP, pump & compressor drives, paper-mills, test stands and many other drive units. read more