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Part of the Hitachi Parts Manuals.
Every one of the 330 pages in this Hitachi EX40UR-2 Parts Catalog PDF (OEM #P1BB-1-2) exists to put the right part number in your hands for this compact excavator. You get an exploded view facing its numbered parts list for every system: pump device, swing and travel motors, control valves, pilot pipings, track frame, rollers, steel and rubber crawler options, blade, plus both offset boom and mono boom front ends. Cab, canopy, gauge panel, wire harness, and electric parts get the same treatment, right down to clips, O-rings, and seal kits. Ordering a bucket? All three are here: 0.05, 0.07, and 0.10 cubic meter, from 350mm to 580mm wide, down to the teeth and side cutters. Stop guessing part numbers off a greasy, half-worn tag. Bookmarked by section; pull it up on your tablet, jump straight to the diagram, and order right the first time.
What's Inside This Hitachi EX40UR-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, 01..Valve;Relief, Valve;Relief, Valve;Control, Valve;Pilot, Valve;Fc, Valve;Lock | |
| Loader, Backhoe & Attachments | Swing Device, Swing Lock, Offset Boom, Arm 1.35M _Offset Boom_, Bucket 0.05, Bucket 0.07, Bucket 0.10, Mono Boom, Mono Boom Support, Std. Arm 1.35M _Mono Boom_, Arm Support _Mono Boom_, Attachment Pedal _Offset Boom_, Extra Pipings _Offset Boom_, Attachment Pedal _Mono Boom_, Extra Pipings _Mono Boom_, 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, Control 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-Type_, Pilot Pipings _H-Type_, Electric Parts, Travel Device |
Hitachi EX40UR-2 Common Problems This Manual Covers
Hitachi EX40UR-2 bucket teeth and side cutter part numbers differ between 350 mm, 450 mm, and 580 mm buckets
Measure your bucket width across the side cutters before ordering anything. Check the 0.05 bucket (350 mm wide) parts list on page 198, the 0.07 bucket (450 mm) on page 200, or the 0.10 bucket (580 mm) on page 202. Each list breaks out tooth, side cutter, boss, shim, and mounting bolt callouts separately.
Manual Section: Bucket 0.05 (350Mm Wide) p. 198Hydraulic tank return filter, suction filter, and tank O-ring part numbers needed before oil service
Check the oil tank exploded view on page 43, then match the callout numbers to the parts list on page 44, which covers the suction filter, return filter, level gauge, and plugs. Pull the tank-to-cooler O-rings from the oil cooler pipings list on page 46 so the tank seals up clean after the filter swap.
Manual Section: Oil Tank p. 44Cylinder leaking at the rod but can't tell which seal kit fits boom, arm, bucket, or offset cylinders
Identify the cylinder first from the grouped view on page 330, which separates the boom, arm, bucket, and offset cylinders. Then pull the seal kit callout from the matching breakdown: bucket cylinder on page 326, offset cylinder on page 328. Confirm your arm type too, since the 1.35 m arm comes in offset and mono boom versions.
Manual Section: Cylinder Troubleshooting p. 330Arm pins and bushings worn, offset boom and mono boom arms carry different part numbers
Check which front end you have before ordering pins. Find the 1.35 m offset-boom arm with its bushings, seals, links, pins, and shims on page 196; the 1.35 m mono-boom arm sits on page 216 with its support links on page 218. Match the callout numbers against the exploded view, not just a caliper reading off the old pin.
Manual Section: Arm 1.35M _Offset Boom_ p. 196Pilot control levers stiff and sticky, need pusher, seal, and boot parts for the pilot valve
Remove the boot and inspect the pushers for dry, galled contact faces. Order replacements from the pilot valve breakdown on page 312, which lists the casing, spool, spring, shim, and pusher; the second pilot valve version is on page 314. If your machine runs the 4-way multi lever, its valve parts are on page 258, and grease fittings for the upperstructure are on page 120.
Manual Section: Valve;Pilot p. 312Frequently Asked Questions
What are the replacement specifications for the hydraulic suction filter element?
The hydraulic suction filter element is part number 4294132. It is located within the oil tank assembly as shown on page 44. p. 44
What is the part number for the main hydraulic pump on the EX40UR-2?
The main piston pump for the EX40UR-2 is part number 4330471, as listed in the equipment components section. p. 38
What is the part number for the engine oil filter?
The engine oil filter for the EX40UR-2 is part number 4346779. p. 32
What is the part number for the starter key?
The starter key for the EX40UR-2 is part number 4187759, which comes in a set of two pieces. p. 124
What is the part number for the bucket tooth?
The bucket tooth for the 0.05, 0.07, and 0.10 buckets is part number 4304792. p. 198
What format is this Hitachi EX40UR-2 manual in?
Instant PDF download. You get the full 330-page scanned Parts Catalog immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Can I print this Hitachi EX40UR-2 manual?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
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