Part of the Hitachi Parts Manuals.
Hunting part numbers for a Hitachi EX15-2? This 316-page Hitachi EX15-2 parts catalog PDF (OEM #P1AH-1-2) maps every assembly on your mini excavator, from the swing post to the travel device. You get exploded views paired with numbered parts lists for the pump device, control valve sections, boom, arm, and bucket cylinders, plus the full undercarriage: idlers, rollers, adjusters, and track links for both steel and rubber crawlers. Piping breakdowns separate JIS-type and H-type pilot lines so you order the right elbow the first time. Need a bucket? Bolt-type and pin-type versions from 250mm to 500mm wide are all here, each with tooth, shim, and boss numbers. No more squinting at part numbers on a greasy casting. Bookmarked with a full text layer; type the component name, find the number, place the order.
What's Inside This Hitachi EX15-2 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Fuel Pipings, Fuel Tank | |
| Cooling System | Radiator, Radiator Support, Reserve Tank | |
| Engine | Muffler, Engine Control, Lubricate Pipings, Swing Bearing | |
| 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, Pump;Gear, Valve;Control, Valve;Pilot, Valve;Relief, Valve;Lock | |
| Loader, Backhoe & Attachments | Swing Device, Swing Post, Boom, Boom Support, Bucket 0.022 _Jis94__Bolt Type_, Bucket 0.022 _Jis94__Pin Type_, Bucket 0.035 _Jis94__Bolt Type_, Bucket 0.035 _Jis94__Pin Type_, Bucket 0.04 _Jis94__Bolt Type_, Bucket 0.04 _Jis94__Pin Type_, Bucket 0.044 _Jis94__Bolt Type_, Bucket 0.044 _Jis94__Pin Type_, Bucket 0.05 _Jis94__Bolt Type_, Bucket 0.05 _Jis94__Pin Type_, Attachment Pedal, Cyl.;Boom | |
| Body & Operator Station | 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, Low Pressure Pipings, Main Pipings, Console, Control Lever, Control Pedal, Lever Link, Pilot Pipings, Pilot Pipings _Jis-Type_, Pilot Pipings _H-Type_, Electric Parts, Bolt Kit, Travel Device, Front Idler, Adjuster |
Hitachi EX15-2 Common Problems This Manual Covers
Hitachi EX15-2 bucket tooth and pin part numbers unclear, several bucket widths look identical in listings
Measure your bucket cutting width first. The parts lists run from the 250 mm (0.022 m3) bucket on page 190 up to the 500 mm (0.05 m3) bucket on page 206, each in bolt type and pin type versions. Match width and mounting style, then pull tooth, pin, and side cutter numbers from that exploded view.
Manual Section: Bucket 0.022 _Jis94_(250Mm Wide)_Bolt Type_ p. 190Boom cylinder seal kit listings show two versions, not sure which fits my machine
Verify whether your machine is a canopy or cab unit first. Check the canopy boom cylinder listing on page 306 and the cab version on page 308; each shows its own U-ring packing, back-up ring, wiper ring, and O-ring line items. The bucket cylinder seal kit is a separate listing on page 312.
Manual Section: Cyl.;Boom (Canopy) p. 306Need undercarriage part numbers, machine has rubber tracks but listings show steel crawler parts too
Check your crawler type before ordering. Steel track machines use the Track-Link 230G assembly with link, shoe, bushing, and track pin on page 160; rubber track machines use the one piece shoe assembly on page 164. The track adjusters differ too: steel crawler on page 152, rubber crawler on page 154, each with its own U-ring packing and dust seal.
Manual Section: Track-Link 230G p. 160Pilot hose and elbow part numbers differ between manual sections, two piping types listed
Check which fitting standard your machine carries before ordering. JIS-Type pilot piping is listed on pages 100 through 104 and H-Type on pages 106 through 110; hose, elbow, adapter, and O-ring numbers are not interchangeable between the two. Match the fittings on your machine to the correct exploded view, then verify the serial number range.
Manual Section: Pilot Pipings (2-1) _Jis-Type_ p. 100Starter relay and fuse part numbers hard to pin down, several relays look alike
Check Electric Parts (1) on page 116; the relay, safety relay, starter relay, timer, buzzer, and fuse each carry their own reference number keyed to the exploded view. The monitor is listed separately under Electric Parts (2) on page 118, and the wire harness with diode and fusible link sits on page 126.
Manual Section: Electric Parts (1) p. 116Frequently Asked Questions
What is the part number for the main frame of the Hitachi EX15-2 excavator?
The main frame for the Hitachi EX15-2 excavator is identified by part number 6014489 for serial numbers up to 02175, and part number 6017130 for serial numbers 02176 and above. p. 2
What is the part number for the fan belt on the Hitachi EX15-2 engine?
The fan belt for the engine on the Hitachi EX15-2 is part number 4352387. p. 8
What is the part number for the fuel filter on the Hitachi EX15-2?
The fuel filter for the Hitachi EX15-2 is part number 4340285 for serial numbers up to 01834, and part number 4366411 for serial numbers 01835 and above. p. 20
What is the part number for the air cleaner element on the Hitachi EX15-2?
The air cleaner element for the Hitachi EX15-2 is part number 4357442. p. 16
What is the part number for the oil filter cartridge on the Hitachi EX15-2?
The oil filter cartridge for the Hitachi EX15-2 is part number 4294128. p. 8
How quickly can I access this Hitachi EX15-2 manual after buying?
This is a 316-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.
Can I print this Hitachi EX15-2 manual?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
















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