Lavatory service carts can be insulated to prevent liquids from freezing in cold weather. waste and one for water. Stainless steel straps prevent the tanks from moving around on the cart. The unit's Honda WB20X (gasoline) pump is housed within a heavy-duty frame. Fifth-wheel steering on the STDLC155/155 provides full mobility. Both the STD-LC155/155 and STDLCE-110/110 model have a safe-drop tow bar that helps ensure the cart is level while being towed. The maximum tow speed is 15 mph. Other commonalities include the filling coupler attached to a 12-foot hose, the discharge coupling attached to a 12-foot, 4-inch crush-proof hose, and 4.00-8-inch solid tires. STD-LCI-250 Designed to meet the needs of colder climates, the STD-LCI-250 has a 150-gallon capacity for waste and a 100-gallon capacity for water. The tanks are stainless steel, and the STD-LCI-250's engine and pump are encased in a galvanized steel enclosure. Polyisocyanurate foam is used for insulation and two heaters - a 120V space heater and a 1,500watt immersion water heater - help ensure the cart is ready for winter weather conditions. The Standard LCE110/110 has two 110-gallon tanks: one for waste and one for water and an electric water pump. Highlighting the distinct features of these models, Gonzalez points out that the STD-LCE-110/110 is electric and low profile and has the option of adding a solar panel. The STD-LC155/155 is notable for its easy towability and lightweight design while the STD-LCI-250 is insulated for operation in cold environments. May 2024 || AviationPros.com || 29http://www.AviationPros.com