Tank trucks and rail cars can be loaded and unloaded from the top or the bottom, through one or more open manholes, or through tight connections on the vehicle. The load arm are designed so that they can easily be extended to reach the farthest fill point. The loading arms can be easily handled by one operator without excessive pushing, pulling, or lifting.Keeping your operation running smoothly means having dependable equipment and systems to handle your bulk loading and unloading requirements. You can't afford downtime for maintenance and repairs that cost you in both lost hours and money. Reliable liquid transfer systems and liquid loading systems from OPW Engineered Systems can solve your transfer application needs.