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RBM

A Railbound Manganese-Steel Frog is constructed with a manganese-steel body casting. This casting is fitted 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 traffic is approximately equal on both sides of the frog.

Specifications

Light Wall Design (4 3/4″ heel spread, 3/4″ side walls)
Area Plans: 612 613 614 615
No. 6 frogs No. 9 frogs No. 12 frogs No. 16 frogs
No. 7 frogs No. 10 frogs No. 14 frogs No. 18 frogs
No. 8 frogs No. 11 frogs No. 15 frogs No. 20 frogs
Intermediate-Wall Design (7″ heel spread, 1 1/4″ side walls)
Area Plans: 617 618 619 620
No. 6 frogs No. 9 frogs No. 12 frogs No. 16 frogs
No. 7 frogs No. 10 frogs No. 14 frogs No. 18 frogs
No. 8 frogs No. 11 frogs No. 15 frogs No. 20 frogs
Heavy-Wall Design (7″ heel spread, 2″ side walls)
Area Plans: 622 623 624 625
No. 6 frogs No. 9 frogs No. 12 frogs No. 16 frogs
No. 7 frogs No. 10 frogs No. 14 frogs No. 18 frogs
No. 8 frogs No. 11 frogs No. 15 frogs No. 20 frogs

Product Visual

Diagram-of-Railbound-Manganese-Steel-Frog1

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