Mobile Sinks and Concession Sinks. Hot water anywhere. We have several models of Mobile Sinks available, Electric and Propane. Approved in 50 states. Purchase your Mobile Sink on our online shop today. Choose Crown Food Carts Mobile Sinks when seeking affordability and craftsmanship, Crown Food Carts Mobile Sinks are built with precision and ready to serve upon delivery. We ship our Mobile Sinks worldwide. Custom Mobile Sinks, Food Truck and Trailer Sinks also available, Contact us today for a Quote.