Individual hose record
Excavator · Hitachi · ZX135US · Attachments
Hose repair card
Hitachi ZX135USPipe No. 28A · Part 4427837
Left fitting45°美制内螺纹37°内锥JIC 37° · 45°View real fitting photos ↗
Right fitting美制内螺纹37°内锥JIC 37° · 0°View real fitting photos ↗
Route回转马达~过渡阀块(推土铲)
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Same system
Workshop guide
For Hitachi ZX135US Attachments, identify the exact model and hydraulic system on the machine first. A part number or diagram pipe number is the fastest way to narrow a replacement hose; if neither is visible, compare the installation route and the existing hose.
Check whether a listed dimension is finished assembly length, hose-only length, or cut length. These are not interchangeable. Confirm hose specification and pressure rating, then compare both ends separately: thread, sealing seat, size, angle, and orientation.
Where an installation drawing or manual figure is available, match its callout to the part number and physical route. A hydraulic circuit diagram explains connections but does not show the exact routing of a hose on the machine. Take the old hose or clear end-fitting photographs to the workshop if any dimension is missing.
For reference only. Confirm the actual hose before fabrication.
