A machine includes a frame, ground-engaging elements coupled to the frame, and a hoisting system having a sideboom and a fairlead. The hoisting system also includes a hook pulley block and a hoisting cable extending through the fairlead and the hook pulley block and held in tension such that the hoisting cable couples pivoting of the fairlead to pivoting of the sideboom. The pivotable fairlead may be instrumented with position, cable loading, and cable feed sensors.

Pipelayer machine having hoisting system with pivotable fairlead

A hoisting system for a machine includes a winch assembly, and a boom such as a sideboom that is pivotable. The hoisting system further includes a fairlead supported at a fixed orientation such that a feed angle of a hoisting cable extending through the fairlead varies in response to pivoting of the boom. A hoisting control system for the machine includes a cable state sensing mechanism resident on the fairlead and structured to produce cable monitoring data indicative of at least one of a cable feed length, a cable feed angle, or a cable load, and an electronic control unit structured to output an alert based on the cable monitoring data.

Machine having hoisting system with instrumented fairlead

A pipelayer machine is provided. The pipelayer machine has a main body, a boom pivotally connected to a first side of the main body, a hook winch provided on the first side of the main body and a boom winch provided on the second side of the main body. The boom winch and the hook winch can be connected to a structural assembly that positions the boom winch proximate the second side of the main body and positions the hook winch proximate the first side of the main body of the pipelayer machine. The hook winch can be provided in a hook winch frame and the hook winch frame can form a structural member in the structural assembly.

Pipelayer machine with symmetrical winches

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Pipelayer machine with symmetrical winches