Part of the Hitachi Parts Manuals.
Need the correct hardware numbers for your compact excavator? This 227-page Hitachi EX30UR Parts Catalog PDF breaks down every cylinder, valve, and track assembly so you can order exactly what you need. Inside, you get detailed exploded views showing component relationships, hardware layouts, and factory part numbers for everything from the swing motor to the operator cab. Open to the hydraulic sections to find complete breakdowns of the pilot pipings, piston pumps, and control valves. Verify the exact bucket tooth setup for the 480mm wide bucket, or confirm the track pin and bushing layout for the 300G steel crawler track-link assembly. Stop ordering the wrong fittings from generic aftermarket diagrams. This bookmarked and text-searchable file lets you jump straight to the exact assembly group, find the right number, and get your machine back in the dirt.
What's Inside This Hitachi EX30UR Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Fuel Pipings, Fuel Tank | |
| Cooling System | Radiator, Radiator Support, Reserve Tank | |
| Engine | Muffler, Oil Cooler Pipings, Lubricate Pipings, Pump;Piston | |
| Electrical System | Gauge Panel _Canopy_, Gauge Panel _Cab_, Wire Harness, Valve;Solenoid | |
| Hydraulics & 3-Point Hitch | Pump Device, Valve;Control, Valve;Pilot | |
| Body & Operator Station | Frame, Oil Tank, Engine Control Cable, Canopy, Floor, Seat, Cover, Track Frame, Travel Pipings Cover, Cab Ass'Y, Cab | |
| Decals & Accessories | Tools | |
| Other Components | Counterweight, Engine, Swing Device, Main Pipings, Control Box, Lever Stand, Engine Control Lever, Control Lever, Control Pedal, Lever Lock, Swing Lock, Lever Link Parts, Lever Link, Pilot Pipings, Electric Parts, Travel Device |
Hitachi EX30UR Common Problems This Manual Covers
Need to order replacement teeth and side cutters for the Hitachi EX30UR excavator 480Mm wide bucket
Inspect the bucket components breakdown on page 153. Locate the specific tooth and side cutter part numbers for the 0.07 capacity, 480Mm wide bucket. Verify the boss, shim, and plate hardware quantities before submitting your final replacement parts order to the equipment dealer.
Manual Section: Bucket 0.07 (480Mm Wide) p. 153Trying to identify the correct master pin and track shoe part numbers for the steel crawler undercarriage
Review the track-link assembly diagram on page 133. Find the exact part numbers for the link, shoe, bushing, track pin, and master pin for the 300G steel crawler setup. Measure your current shoe width in millimeters to confirm compatibility before purchasing the replacement hardware.
Manual Section: Track-Link 300G (Steel Crawler) p. 133Leaking offset cylinder requires a complete rebuild but missing the exact U-ring packing and wiper ring numbers
Check the offset cylinder exploded view on page 225. Identify the correct part numbers for the cylinder tube, piston rod, U-ring packing, and wiper ring. Measure the rod diameter to within 0.1 mm before ordering to confirm you select the correct seal kit for your machine.
Manual Section: Cyl.;Offset p. 225Electrical system failure requires replacing the fuel pump, thermo unit, pressure switch, and stop solenoid
Inspect the electric parts list on page 101. Find the required part numbers for the fuel pump, thermo unit, pressure switch, and stop solenoid. Verify the 12-volt pressure switch matches your machine's specific serial number range before ordering the replacement components from your local dealer.
Manual Section: Electric Parts (5) p. 101Frequently Asked Questions
What is the part number for the main frame of the excavator?
The main frame of the excavator is identified by part number 5003768. p. 2
What is the part number for the engine fan belt?
The fan belt for the engine is part number 4313061. p. 6
What is the part number for the radiator cap?
The radiator cap is part number 4296743. p. 8
What is the part number for the air cleaner element?
The air cleaner element is part number 4294845. p. 14
What is the part number for the fuel filter?
The fuel filter is part number 4294842. p. 6
What format is this Hitachi EX30UR manual in?
A 227-page Parts Catalog in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Can I print this Hitachi EX30UR manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.



















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