Hitachi EX100-3 Hydraulic Excavator Parts Catalog – Illustrated Parts Manual PDF

Description

Hitachi EX100-3 Hydraulic Excavator Parts Catalog

The Hitachi EX100-3 Hydraulic Excavator Parts Catalog is a full illustrated parts manual for the EX100-3 excavator, published by Hitachi Construction Machinery. Instead of a vague diagram with a handful of callouts, this catalog breaks each assembly down into its individual components and gives every one of them a callout number, a part number, a part name, a quantity and the machine serial range it applies to. If you own, service, rebuild or restore an EX100-3, this is the document that tells you exactly which part goes where and what to quote when you order it.

File Details

• Manual type: Illustrated parts catalog (parts manual)
• Brand: Hitachi
• Model covered: EX100-3 hydraulic excavator
• Language: Bilingual — Japanese and English
• Format: PDF
• Length: 453-page PDF
• Contents: Exploded-view figures, parts lists, alphabetical parts index
• Engine coverage note: The catalog states that engine parts are listed in the separately issued Isuzu diesel engine 4BD1 parts catalog

Chapters Covered

The EX100-3 parts catalog is divided into major machine groups, each opened by an exploded illustration followed by its own parts table:

• Upperstructure — Frame, Counterweight, Engine, Radiator, Reserve Tank
• Air Cleaner, Muffler, Fuel Pipings, Fuel Tank
• Fuel Feed Pump (Option), Fuel Double Filter (Option)
• Pump Device, Swing Device, Oil Tank
• Oil Cooler Pipings (1), (2), (3)
• Main Pipings (1), (2), (3), (4), Swing Pipings
• Engine Control Motor, Engine Control Cable, Engine Control Lever (Option)
• Control Lever (1), (2), (3)
• Pilot Pipings (1-1) through (6-2), including separate STD and USA variants
• Console (R), Console (L) STD, Console (L) USA, Switch Box, Gauge Panel
• Radio STD, Radio USA
• Electric Parts (1), (2) STD, (2) USA, (3-1), (3-2), (3-3), (3-4)
• Motion Alarm (USA), Window Washer, Car Heater, Car Heater Parts, Heater Pipings
• Cab Group (1) and (2), Rearview Mirror, Cab and Cab (1) through Cab (6)
• Rear Cover (Inside of Cab), Floor Parts
• Seat STD, Seat USA, Seat Suspension STD, Seat Suspension USA, Seat Belt
• Cover (1-1) through (2-2), Door Lock (1) through (4)
• Undercarriage — Track Frame, Swing Bearing, Travel Device, Front Idler, Adjuster, Upper Roller, Lower Roller
• Track-Link 500G, Center Joint, Travel Pipings, Travel Pipings Cover
• Front-End Attachments — Boom, Std. Arm 2.26M, Bucket 0.45 (JIS ’94), Front Pipings (1) and (2), Lubricate Pipings
• Offset Boom Parts — Offset Boom (1) and (2), Control Pedal, Pilot Pipings, Main Pipings, Front Pipings (1) to (3), Lubricate Pipings
• Rubber Crawler Parts — Track Frame, Front Idler, Adjuster, Lower Roller, Rubber Crawler
• Optional Parts — Multi Lever Pipings (1) to (4), Window Guard (USA)
• Air Conditioner (1) and (2), Air-Con. Unit, Air-Con. Controller, Hot & Cool Box, Tropical Cover
• Track-Link 500GP (Rubber Pad), 600G, 700G, 510F, 700A
• Short Arm 1.96M, Long Arm 2.81M, Front Pipings (Long Arm), Lubricate Pipings (Long Arm)
• Bucket-Hook Parts
• Buckets 0.19, 0.3, 0.4, 0.5 and 0.59 (JIS ’94), One-Point Ripper
• Slope-Finishing Blade, Clamshell Bucket (1) to (3), Clamshell Pipings
• Hose Rupture Valve Pipings (Boom) 1 to 3, (Arm) 1 to 3
• Control Pedal (Breaker & Crusher), Pilot Pipings (Breaker & Crusher), Main Pipings for Breaker & Crusher, Front Pipings for Breaker & Crusher
• Pipings for NPK Breaker & Crusher, Pipings for Okada / Furukawa Breaker, Pipings for Okada / Furukawa Breaker & Crusher
• Tools and Spare Parts, Name-Plate (Japanese / English, STD / USA)
• Parts Index

What that list adds up to in practice is a document you can work from rather than around. The EX100-3 is split into its real sub-assemblies — the swing device is opened up to its shaft, sleeve, O-rings, spherical roller bearings, carriers, planetary gears, sun gears, thrust plates and pins; the travel device and front idler are laid out the same way; the hydraulic piping groups are traced hose by hose and adapter by adapter from the pump device through the control valve, swing device, center joint and oil tank. Optional attachments such as the offset boom, clamshell bucket, slope-finishing blade, breaker and crusher pipings and the rubber crawler undercarriage each get their own group, so the same catalog serves a plain digging machine and a specialised one.

IMAGES PREVIEW

How This EX100-3 Parts Catalog Is Organised

Each group starts with a numbered illustration. The numbers on that illustration are the item numbers, and they lead straight into the parts table underneath or opposite. The table columns give the part number, the part name, the quantity used, a service code, the applicable serial number and any interchangeability information. That structure is what makes the catalog usable at the counter and in the workshop: you find the item number on the drawing, read across to the table, and you have the number you need to order.

A few conventions are worth knowing before you use it. Components that belong to an assembly are listed under it with a leading dot, and a second dot marks a sub-component of that assembly, so the hierarchy is visible at a glance. Service codes flag special handling — for example parts that require machining before fitting, precision parts that must go back to the manufacturer for repair, and parts that cannot be supplied separately and must be ordered as the assembly that contains them. Shims and similar items are marked as quantity-variable, so you adjust the figure to the machine in front of you rather than ordering blindly. Optional parts are flagged as such throughout, which is useful when you are tracing equipment that may or may not have been fitted at build.

Serial-number columns matter here. The catalog carries multiple build breaks across the EX100-3 production run, so different serial ranges can take different parts for what looks like the same position on the drawing. Door locks, seats, heaters, window washers, head lamps, pilot pipings and cab trim all show serial-dependent listings, and some entries use date-based changeover markings as well. Checking the serial range before ordering is the difference between a part that fits and a part that comes back.

Ordering EX100-3 Parts Correctly

The catalog reproduces the ordering instructions exactly as Hitachi set them out, and they are worth following literally. When you place an order you supply the machine model as shown on the name plate on the main frame, the machine serial number, the part number, the part name, the quantity and the delivery address. Having all six to hand before you open the catalog saves a second trip to the machine. The name plate location and a sample serial number are shown in the front matter so you know where to look.

Interchangeability is handled explicitly rather than left to guesswork. The catalog marks parts that can be substituted one way only, parts that must no longer be used at all, parts that are only interchangeable as a matched set, and parts that are freely interchangeable in both directions. There is also a note that when improved parts exist, the improved version may be supplied in place of the one you ordered. Reading that column before ordering an obsolete number can save you an unnecessary search.

Regional Variants, Options and Offset Boom Coverage

The EX100-3 catalog does not pretend every machine is the same. Groups and part names carry markers identifying whether a listing applies to the standard specification machine or to machines built for North America, and anything not marked applies across the board. That distinction runs through the cab, the seat, the radio, the console, the electric parts, the pilot pipings and the window guard, among others. Attachments get the same treatment through separate offset boom sections and separate front piping groups for each bucket and arm combination.

Beyond the base machine, the catalog documents a long list of factory and dealer-fit options: air conditioning, car heater and heater pipings, the hot and cool box, tropical cover, window washer, multi lever pipings, clamshell bucket and its pipings, hose rupture valve pipings for boom and arm, breaker and crusher pipings for several makes, and a range of track links and rubber crawler components. If your machine carries any of these, the parts breakdown is in here too.

Why This Parts Catalog Earns Its Place in the Workshop

Rebuilding a swing device, repiping a pilot circuit, replacing a travel motor, tracking down the right seal for a front idler, identifying which bucket fits which arm, chasing a serial-dependent cab part — all of it depends on having the correct numbers in front of you. The Hitachi EX100-3 Hydraulic Excavator Parts Catalog gives you the exploded views that show how a group comes apart, the tables that name every piece inside it, and the serial and interchangeability data that keep you from ordering the wrong variant. It is equally useful for a full restoration, a single seal replacement, a workshop parts department building a stock list, or an owner who simply wants to understand what is under the covers before calling a fitter.

The catalog is supplied as an instant-download PDF. There is no shipping and nothing to wait for — the file is available immediately after payment and opens on a laptop, tablet or phone, and any page or figure can be printed for the bench or the cab. Whether you print one exploded view for a job or keep the whole thing on a tablet in the service truck, the EX100-3 parts manual stays where you can reach it.