Hitachi EX55UR Parts List

Inside the Hitachi EX55UR Equipment Components Parts Catalog

• Covers the 000101 and later serial number range for the Hitachi EX55UR hydraulic mini excavator components
• Official publication number PIBG-EI-2, documenting hydraulic system internals and control configurations
• Includes 92 illustrated exploded-view assemblies with indexed part numbers and component quantities
• File delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• Stored against your account so you can retrieve it after a hard-drive loss
• No DRM restrictions on the print function
• This official publication serves as the reference for original Hitachi EX55UR equipment builds, documenting critical hydraulic valve and pump assemblies.

Assembly and System Documentation

This catalog provides a detailed view of the hydraulic systems integrated within the Hitachi EX55UR. Primary sections categorize the internal architecture of piston pumps and various multi-section control valves. Each assembly diagram links directly to comprehensive parts lists, specifying part identification, reference item numbers, and standard quantity requirements for proper build configurations. Exploded-view illustrations provide visual confirmation for the internal structure of valve sections, including relief valves, spools, and seals.

Hydraulic and Control Data Specifications

Technical data is provided for assembly-level identification. A multi-stage relief valve is documented with specific housing and poppet details. Relief valve assembly 4345830 contains shim stacks for pressure regulation adjustments. The Hitachi EX55UR piston pump seal kit 4345903 is specified for internal maintenance requirements. An official 164-page Hitachi OEM parts catalog covering the EX55UR, documenting hydraulic pump, motor, and control valve components for the 000101 and later serial range.