Part of the Hitachi Parts Manuals.
Locating the exact replacement components for your excavator is straightforward with this 127-page Hitachi EX5 parts catalog PDF. Inside, you get highly detailed exploded views of the entire machine, covering everything from the lower track frame to the boom cylinder and hydraulic pump device. Open to any section and find complete parts lists that provide clear component identification, ensuring you order the correct hardware on the first try. Find the precise part numbers for the 300mm wide bucket assembly, or identify every individual O-ring, dust seal, and thrust washer required to rebuild the center joint. Ordering errors keep your equipment sitting idle in the dirt. Download this cleanly bookmarked file directly to your tablet, take it out to the yard, and verify your parts immediately.
What's Inside This Hitachi EX5 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Fuel Pipings | |
| Electrical System | Wire Harness | |
| Hydraulics & 3-Point Hitch | Pump Device, Valve;Control | |
| Body & Operator Station | Frame, Oil Tank, Floor, Seat, Cover, Track Frame, Travel Pipings Cover | |
| Decals & Accessories | Tool | |
| Other Components | Counterweight, Engine, Swing Device, Swing Post, Low Pressure Pipings, Main Pipings, Control Lever, Control Pedal, Lever Lock, Electric Parts, Travel Device, Front Idler, Adjuster, Lower Roller, Rubber Crawler, Center Joint |
Hitachi EX5 Common Problems This Manual Covers
Worn out linkage hardware on the Hitachi EX5 standard bucket causing severe digging attachment play.
Review the component diagram on page 100 to locate your specific hardware. Identify the correct pins and linkages designed for the 300mm wide bucket. Match the diagram callouts directly to the parts list to guarantee you order the exact replacement components for your digging assembly.
Manual Section: Bucket 0.01 (300Mm Wide) p. 100Leaking hydraulic fluid from the main control valve spools causing sudden hydraulic pressure loss.
Inspect the control valve exploded view on page 118 for the proper seals. Locate the specific o-rings, spools, and retainers for the main body. Verify compatibility with machines running the standard 300mm wide bucket before ordering the replacement sealing components for the hydraulic system.
Manual Section: Valve;Control p. 118Broken travel motor sprocket teeth requiring exact replacement part numbers to fix track skipping.
Check the travel device assembly breakdown on page 76 to find your drive components. Find the specific hydraulic motor, sprocket, and socket bolts required. Ensure the identified parts match the specifications for units equipped with the standard 300mm wide bucket before submitting your parts order.
Manual Section: Travel Device p. 76Rotted fuel hoses and broken clips near the primary filter causing air in the lines.
Examine the fuel pipings diagram on page 8 to trace the complete routing. Identify the correct fuel hoses, clips, and filter bracket for your specific machine. Confirm the hardware matches models using the standard 300mm wide bucket to ensure proper fitment during your repairs.
Manual Section: Fuel Pipings p. 8Frequently Asked Questions
What is the part number for the main frame of the Hitachi EX5 excavator?
The part number for the main frame (FRAME;MAIN) of the Hitachi EX5 excavator is 5003987. p. 2
What is the part number for the fuel filter element on the Hitachi EX5?
The part number for the fuel filter element (ELEMENT;FILTER) is 4324294. p. 8
What is the part number for the air cleaner element on the Hitachi EX5?
There are two air cleaner elements listed for the Hitachi EX5: part number 4323239 and part number 4323535. p. 6
What is the part number for the gear pump used on the Hitachi EX5?
The part number for the gear pump (PUMP;GEAR) is 4300498. p. 10
What is the part number for the swing motor on the Hitachi EX5?
The part number for the swing motor (MOTOR;OIL) is 4300501. p. 12
What do I get after purchasing this Hitachi EX5 manual?
Instant PDF download. You get the full 127-page scanned Parts Catalog immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Can I print this Hitachi EX5 manual?
Zero restrictions. The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
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