Part of the Hitachi Parts Manuals.
All 336 pages of this Hitachi EX27U parts catalog PDF (OEM #P1AR-1-1) focus on one thing: giving you the exact breakdown of every assembly on your excavator. You get clear exploded views, complete part numbers, and precise component identification for the entire machine. Open to detailed diagrams covering the hydraulic pump device, canopy assemblies, and undercarriage track frames to make ordering replacements foolproof. Look up the exact bushing and dust seal part numbers for the boom swing cylinder, and verify the O-ring layout on the main control valve block. Stop wasting time returning the wrong components to the dealer. This bookmarked document opens on any device, letting you pull up the factory diagrams right in the shop and get your parts order right the first time.
What's Inside This Hitachi EX27U Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Fuel Tank, Fuel Piping | |
| Cooling System | Radiator | |
| Engine | Muffler, Oil Cooler Piping, Swing Bearing, Pump;Piston Std, Pump;Piston Air-Con | |
| Electrical System | Battery, Wire Harness | |
| PTO | Extra Piping _PTO_ | |
| Hydraulics & 3-Point Hitch | Pump Device, Pump Device Support, Boom Swing Cylinder, Blade Cylinder, Boom Cylinder, Arm Cylinder, Bucket Cylinder, Pump;Gear, Pump;Trochoid, Valve;Relief, Valve;Control, Valve, Valve;Pilot | |
| Body & Operator Station | Frame, Oil Tank, Console _Canopy_, Console _Cab_, Engine Control Cable, Control Lever _Canopy_, Control Lever _Cab_, Canopy, Canopy Parts, Cab, Cab Parts, Floor, Floor Mat, Seat, Seat Base, Seat Belt | |
| Decals & Accessories | Tools | |
| Other Components | Counterweight, Engine, Swing Device, Swing Post, Main Piping, Control Box, Console, Auto-Idle, Control Lever, Control Pedal, Lever Link Support, Lever Link, Pilot Piping, Pilot Piping _Jis-Type_, Pilot Piping _H-Type_, Electric Parts |
Hitachi EX27U Common Problems This Manual Covers
Need the correct point and adapter part numbers for a Hitachi EX27U excavator digging bucket replacement
Check the bucket breakdown on page 200. Match your specific 250Mm wide bucket assembly to find the exact point, adapter, stopper, and bolt part numbers. Verify the boss dimensions before ordering the replacement hardware to ensure a proper fit on the machine.
Manual Section: Bucket 0.04 _Jis94_ (250Mm Wide) p. 200Can't locate the correct side cutter and hardware part numbers for the mid-size trenching bucket
Review the bucket assembly diagram on page 206. Locate the cutter, bolt, washer, and nut part numbers for the 400Mm wide bucket. Confirm your bucket capacity matches the 0.065 specification before ordering the replacement adapter and stopper components for the installation.
Manual Section: Bucket 0.065 _Jis94_ (400Mm Wide) p. 206Track drive motor is leaking gear oil and requires a complete carrier and bearing replacement list
Inspect the travel motor breakdown on page 285. Find the specific gear, ring, collar, and needle bearing part numbers needed for the repair. Verify track link compatibility with the 300G specification on page 174 before reassembling the final drive unit.
Manual Section: Motor;Oil (Travel) p. 285Missing the heavy duty bucket adapter and point components after a severe rock strike
Check the bucket components list on page 212. Find the exact part numbers for the adapter, stopper, and point designed for the 550Mm wide bucket. Ensure you order the correct mounting bolts, washers, and nuts for the 0.1 capacity setup.
Manual Section: Bucket 0.1 _Jis94_ (550Mm Wide) p. 212Frequently Asked Questions
What is the main frame part number for the EX27U excavator?
The main frame for the EX27U excavator is identified by part number 5006469. p. 2
What is the part number for the engine oil filter?
The engine oil filter for the EX27U excavator is part number 4294838. p. 6
What is the part number for the radiator cap?
The radiator cap for the EX27U excavator is part number 4419861. p. 8
What is the part number for the air cleaner element?
The air cleaner element for the EX27U excavator is part number 4417516. p. 10
What is the part number for the fuel filter element?
The fuel filter element for the EX27U excavator is part number 4419193. p. 16
What do I get after purchasing this Hitachi EX27U manual?
This is a 336-page scanned 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.
Can I print specific sections of this Hitachi EX27U Parts Catalog?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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