Master Casing Pusher

See Casing PusherThe front section of a boring machine that distributes the thrusting force of the hydraulic cylinders to the casing and forms the outside of the spoil ejector system..

Master Track

The rear most track section.

Maximum Allowable Jacking Force

The largest jacking force that can be applied to the jacked pipe, allowing for an appropriate factor of safety.

Maximum Allowable Operating Pressure

The highest working pressure expected and designed for during the service-life of the main.

Maximum Anticipated Jacking Force

The largest anticipated jacking force required to advance jacking pipe and machine along a drive.