5 articles
Body-flex, PTO and drum-drive hoses fail in ways that are specific to vehicles that flex and vibrate all day. What goes, why, and the safety step nobody should skip.
Three circuits, three very different failure patterns. Which one went, where the hose actually wears, and the safety step that gets skipped on every second job.
Boom, arm, bucket, swing or travel — the symptom tells you which circuit failed before anything comes apart. How to read it, and how to identify the hose without the dealer part number.
A walk-round that takes ten minutes finds most of what is about to fail. What to look at, what each finding actually indicates, and where the judgement calls are.
Bring the old hose if you have it. If you do not, four measurements and two photographs will get the assembly built correctly first time.