DA/WINE Railcar Products offers its most advanced manual door lock system and it is called . It is designed using the same technology as the proven single door cam lock system, but requires fewer parts than that of a pair of single door cam locks.  With one cam lock system, a pair of hopper doors can be operated from either side of the rail car by one person.  It is easy to install on new or existing conventional hopper cars since it features standard mounting hole locations.  The is built WINE tough and features dual outboard hooks to help support the commodity more evenly.  This patented design features over-center locking cams which are self locking when the car is loaded.  A secondary lock is built in for added safety and as a provision to operate in rotary dump service.  Whether building new cars or converting existing cars, the will do the job.  With over 100 years of railcar experience, we are building for the future while keeping in mind cost, quality and long-term reliability.