Railbound Manganese Frogs

Click Image to Open PDF Adobe Acrobat PDF icon

RAILBOUND MANGANESE FROGSA Railbound Manganese Steel Frog is constructed with a manganese-steel body casting. This casting is ˜tted into and between four rails that are specially fabricated from standard tee rails. The assembly is fastened with heat-treated bolts. This type of frog is used for heavy and/or high-speed main line service, where the traf˜c is approximately equal on both sides of the frog.Quantities of Hook Twin Tie Plates 5-1/2 inches Base Rail Frog L23 L27 L31 LR23 LR27 LR31 6 4 8 2 2 2 2 7 4 10 2 2 2 2 8 6 10 2 2 4 2 9 8 10 2 2 4 2 10 10 10 2 2 4 2 11 10 12 2 4 2 26 inches Base Rail Frog L23 L27 L31 LR23 LR27 LR31 6 4 8 2 2 2 2 7 6 10 2 2 2 2 8 6 10 2 2 4 2 9 8 10 2 2 4 2 10 10 12 2 2 4 2 11 10 14 2 4 2 4 Standard AREMA Frog LengthsRails 112 lb. or Heavier Frog No. Total Length Toe Length Toe Spread Heel Length Heel Spread 6 11 feet 0 inches 3 feet 9 inches 7 inches 7 feet 3 inches 14-15/16 inches 7 12 feet 0 inches 4 feet 8-1/2 inches 7-9/16 inches 7 feet 3-1/2 inches 13 inches 8 13 feet 0 inches 5 feet 1 inches 7-1/8 inches 7 feet 11 inches 12-3/8 inches 9 16 feet 0 inches 6 feet 4-1/2 inches 8 inches 9 feet 7-1/2 inches 13-5/16 inches 10 16 feet 6 inches 6 feet 5 inches 7-3/16 inches 10 feet 1 inches 12-5/8 inches 11 18 feet 8-1/2 inches 7 feet 0 inches 7-1/8 inches 11 feet 8-1/2 inches 13-1/4 inches