Protection system for articulated machine

A work machine comprising:

• a first portion;
• a second portion pivotably connected to the first portion;
• a third portion pivotably connected to the second portion and near the first portion;
• a first guard configured to be at least partially inserted inside a first opening formed in the second portion;
• and
• a second guard configured to be at least partially inserted inside a second opening formed in the third portion;
• a retention device positioned between the first portion and a second portion;
• wherein the first guard and the second guard comprising a protective passageway for at least one tube extending from the first portion to the third portion, the passageway substantially preventing contact between the at least one tube and surfaces of the second portion and the third portion in close proximity with the corresponding pivotable connections, the retention device providing flexible retention of the at least one tube.