Nortrak manufactures frogs to AREMA or individual railroad specifications. From standard yard applications of the Solid Self Guarded Manganese (SSGM) to high speed technologically advanced mainline Moveable Point Frogs (MPF), Nortrak is the frog specialist. 

More information on Moveable Point Frogs (MPF), Welded Spring Manganese Frogs (WSM), Welded Botless Manganese Frogs (WBM), Rail Bound Manganese (RBM) and Partial Flange Bearing Frogs can be found on their respective pages.
 

Diamond Crossing Frogs
Diamond Crossing Frogs are available to suit individual customer requirements on an as needed basis. Solid Manganese and Rail Bound Manganese Frogs are available.