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Part of the Hitachi Parts Manuals.
Need the right part number for your Hitachi EX30UR-2? This 278-page Hitachi EX30UR-2 parts catalog PDF (OEM #P1B3-1-1) maps every assembly on the excavator, from the main frame and counterweight to the piston pump, swing device, and offset boom. You get exploded views paired with complete parts lists, so you can match a bushing, seal, or O-ring to its exact factory number before you order. Inside: full breakdowns of the travel device, track components for steel and rubber crawlers, control valves, pilot valves, and hydraulic cylinders down to individual seal kits. The catalog even splits bucket options by width: 300 mm, 400 mm, and 480 mm, each with its own tooth and side cutter listings. No more ordering three hoses to find the one that fits. Bookmarked with a full text layer; type a part name, jump straight to the diagram, and order once.
What's Inside This Hitachi EX30UR-2 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, Engine Control Lever, Engine Control Cable, Lubricate Pipings, Pump;Piston | |
| Electrical System | Collision Prevention Sensor, Gauge Panel, Wire Harness, Valve;Solenoid | |
| Hydraulics & 3-Point Hitch | Pump Device, Collision Prevention Valve, Valve;Control, Valve;Pilot, Valve;Lock | |
| Loader, Backhoe & Attachments | Swing Device, Swing Lock, Offset Boom, Bucket 0.035, Bucket 0.05, Bucket 0.07, Attachment Pedal, Cyl.;Bucket | |
| Body & Operator Station | Frame, Oil Tank, Canopy Group, Canopy, Floor, Seat, Cover, Track Frame, Travel Pipings Cover, Cab Group, Cab Support, Cab Ass'Y, Cab, Name-Plate _Canopy_, Name-Plate _Cab_ | |
| Decals & Accessories | Tools | |
| Other Components | Counterweight, Main Pipings, Cotrol Box, Lever Stand, Lever Stand Part, Control Lever, Control Pedal, Lever Lock, Lever Link Support, Lever Link, Collision Prevention System, Pilot Pipings, Pilot Pipings _Jis_, Pilot Pipings _Hitachi_, Electric Parts, Travel Device |
Hitachi EX30UR-2 Common Problems This Manual Covers
Hitachi EX30UR-2 bucket teeth worn down, can't match tooth and side cutter part numbers
Check the bucket width first: 300 mm, 400 mm, or 480 mm across the cutting edge. Then pull tooth, side cutter, boss, and bolt numbers from the matching exploded view: the 0.035 m3 bucket on page 166, the 0.05 m3 on page 168, the 0.07 m3 on page 170. Verify against your serial number range before ordering.
Manual Section: Bucket 0.035 (300Mm Wide) p. 166Bucket cylinder weeping oil past the rod, unsure which seal kit number fits
Check which cylinder is actually leaking before you order. The bucket cylinder seal kit sits in the exploded view on page 274, the offset cylinder kit on page 276, and the boom and arm cylinders on pages 270 and 272. One kit number covers the wiper ring, O-rings, and back-up rings; the same listing applies to 300 mm through 480 mm bucket machines.
Manual Section: Cyl.;Bucket p. 274Steel track link stretched and shoes loose, need track and adjuster part numbers
Verify which crawler you have before ordering undercarriage parts. The 300 mm 300G steel track-link assembly with links, shoes, bushings, track pins, and master pin is listed on page 146; the rubber crawler shoe assembly is on page 148. Pull adjuster parts from page 138 for steel crawlers or page 140 for rubber; both list the cylinder assembly, spring, and wear ring.
Manual Section: Track-Link 300G (Steel Crawler) p. 146Boom cylinder hose burst at the fitting, can't identify hose position number in diagram
Check which circuit the burst hose feeds. Boom cylinder hoses, clamps, and swivel joints appear in the Front Pipings (1) exploded view on page 172, arm and offset cylinder hoses on page 174, and bucket cylinder hoses on page 176. Match the hose by its position number in the diagram; the page 176 group serves 300 mm through 480 mm buckets alike.
Manual Section: Front Pipings (1) p. 172Frequently Asked Questions
What are the replacement specifications for filters?
The manual lists several filters for the EX30UR-2. For the air cleaner, the element is part number 4294845 (page 14). For the oil tank, the suction filter is 4294131 (page 22) and the return filter is 4287494 (page 22). The fuel filter is part number 4311000 (page 18). p. 14
What are the replacement specifications for hydraulic hoses?
The manual specifies various hydraulic hoses for different systems. For example, the hose (A) for the travel piping is part number 4348248 (page 152), and the hose (P1) for the main piping is part number 4305338 (page 44). Always verify the specific system and item number from the corresponding diagram page before ordering. p. 152
What is the part number for the main hydraulic pump?
The main piston pump for the EX30UR-2 is part number 4330469, as listed in the Pump Device section. p. 24
What is the part number for the engine oil filter?
The engine oil filter element is part number 4294135, which is part of the oil filter assembly 4271465. p. 82
What is the part number for the radiator cap?
The radiator cap for the EX30UR-2 is part number 4296743. p. 8
What format is this Hitachi EX30UR-2 manual in?
This is a 278-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Am I able to print pages from this Hitachi EX30UR-2 manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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