Part of the Hitachi Parts Manuals.
Need the exact replacement components for your compact machine? All 301 pages of this Hitachi ex18-2 parts catalog pdf (OEM #P1AW-1-2) focus on identifying every pin, hose, and cylinder block for your hydraulic excavator. You get crystal-clear exploded views of the entire machine, from the travel device motors down to the boom swing pedals. Inside, detailed parts lists break down the complete hydraulic system, including the main pipings, pilot valves, and multi-lever assemblies. Check the exact master pin assembly for the 250G track-link and confirm the correct U-ring packing for the steel crawler adjuster before placing your order. Stop ordering the wrong components and waiting on returns. Bookmarked and searchable; jump directly to the cab diagrams or search any part name by keyword.
What's Inside This Hitachi EX18-2 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Fuel Pipings, Fuel Tank | |
| Cooling System | Radiator, Radiator Support, Reserve Tank | |
| Engine | Muffler, Lubricate Pipings, Swing Bearing, Pump;Piston | |
| Electrical System | Gauge Panel, Wire Harness | |
| PTO | Extra Pipings _PTO_ | |
| Hydraulics & 3-Point Hitch | Pump Device, Boom Swing Cylinder, Blade Cylinder, Boom Cylinder, Arm Cylinder, Bucket Cylinder, Valve;Control, Valve;Pilot, Valve;Relief, Valve;Lock | |
| Body & Operator Station | Frame, Oil Tank, Console _Canopy_, Console _Cab_, Canopy, Floor, Seat, Seat Base, Cover, Track Frame, Cab, Cab Ass'Y, Cab Support | |
| Decals & Accessories | Tools | |
| Other Components | Counterweight, Protector, Engine, Swing Device, Swing Post, Low Pressure Pipings, Main Pipings, Engine Control, Console, Control Lever, Control Pedal, Lever Link, Pilot Pipings, Pilot Pipings _Jis-Type_, Pilot Pipings _H-Type_, Electric Parts |
Hitachi EX18-2 Common Problems This Manual Covers
Hitachi EX18-2 bucket teeth are worn down and failing to penetrate hard compacted soil.
Inspect the 250 mm wide bolt-type bucket exploded view on page 178. Locate the replacement tooth, bolt, and nut part numbers in the diagram. Match the shim and plate components to ensure a tight fit on your 0.022 rated bucket.
Manual Section: Bucket 0.022 _Jis94_(250Mm Wide)_Bolt Type_ p. 178Pin-type digging bucket is loose on the stick and rattling during swing operations.
Examine the 350 mm wide pin-type bucket diagram on page 184. Identify the replacement point, cutter, and pin part numbers from the parts list. Order the correct washer and nut hardware to securely fasten the 0.035 rated bucket to the excavator arm assembly.
Manual Section: Bucket 0.035 _Jis94_(350Mm Wide)_Pin Type_ p. 184Steel track assembly is binding and making excessive popping noises during travel operation.
Check the 250G track-link assembly diagram on page 154. Find the correct master pin, standard link, and shoe part numbers for your undercarriage. Replace the worn bushing components to properly maintain tension across the entire 250G series steel track chain.
Manual Section: Track-Link 250G p. 154Bucket mounting bosses are cracked and failing to hold the attachment securely during heavy lifting.
Review the 410 mm wide bolt-type bucket parts list on page 186. Locate the correct boss, shim, and plate part numbers for the assembly. Verify the replacement tooth and nut hardware matches the 0.04 rated capacity bucket before welding new components.
Manual Section: Bucket 0.04 _Jis94_(410Mm Wide)_Bolt Type_ p. 186Frequently Asked Questions
What is the part number for the main frame of the Hitachi EX18-2?
The part number for the main frame (FRAME;MAIN) of the Hitachi EX18-2 is 6015309. p. 2
What is the part number for the fan belt on the EX18-2 engine?
The part number for the fan belt (BELT;FAN) on the EX18-2 engine is 4352387. p. 8
What is the part number for the oil filter on the EX18-2 engine?
The part number for the oil filter (FILTER;OIL) on the EX18-2 engine is 4294838. p. 8
What is the part number for the main hydraulic pump on the EX18-2?
The part number for the main gear pump (PUMP;GEAR) on the EX18-2 is 4358095. p. 26
What is the part number for the radiator on the EX18-2?
The part number for the radiator on the EX18-2 is 4358461. p. 10
How quickly can I access this Hitachi EX18-2 manual after buying?
A 301-page Parts Catalog in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Are there any print restrictions on this Hitachi EX18-2 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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