Iglhaut Allrad 4WD Conversions. For over 30 years IGLHAUT have been one of the market leaders in converting commercial vehicles to all wheel drive capability. It all started in 1983 when a caterer from the Allgäu Alps wanted his MercedesTransporter to be converted to 4WD for transporting guests to his hotel in the mountains. This … Continue reading Iglhaut Allrad 4WD Conversions