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Part of the Hitachi Parts Manuals.
Hunting down part numbers for your Hitachi EX20UR-2? This 215-page Hitachi EX20UR-2 parts catalog PDF (OEM #P1BK-1-1) maps every component on the excavator, from track frame to offset boom. You get exploded views paired with complete parts lists for the pump device, swing motor, control valves, pilot pipings, and every hydraulic cylinder on the machine. Inside: separate breakdowns for steel and rubber crawler setups, plus all three buckets (300, 350, and 400 mm widths, 0.035 to 0.05 cubic meters). Need the right bushing for the offset boom pivot or the seal layout for the blade cylinder? Match the callout on the exploded view to the exact Hitachi part number and order once. No more guessing at the dealer counter with a worn part in your hand. Bookmarked by section: jump from track frame to bucket teeth on any device and get back to work.
What's Inside This Hitachi EX20UR-2 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Fuel Pipings | |
| Cooling System | Radiator, Radiator Support, Reserve Tank | |
| Engine | Muffler, Oil Cooler Pipings, Oil Cooler Piping, Engine Control, Lubricate Pipings | |
| Electrical System | Gauge Panel, Wire Harness, Valve;Solenoid | |
| Hydraulics & 3-Point Hitch | Pump Device, Pump;Gear, Valve;Control, Valve;Pilot, Valve;Lock | |
| Loader, Backhoe & Attachments | Swing Device, Swing Lock, Offset Boom, Bucket 0.035, Bucket 0.04, Bucket 0.05, Attachment Pedal, Cyl.;Bucket | |
| Body & Operator Station | Frame, Tank, Canopy, Floor, Seat, Cover, Track Frame, Travel Pipings Cover | |
| Decals & Accessories | Tools | |
| Other Components | Counterweight, Main Piping, Main Pipings, Control Box, Lever Stand, Control Lever, Control Pedal, Lever Lock, Lever Link Support, Lever Link, Pilot Pipings, Pilot Piping, Pilot Piping _Jis_, Pilot Pipings _Hitachi_, Electric Parts, Travel Device |
Hitachi EX20UR-2 Common Problems This Manual Covers
Hitachi EX20UR-2 bucket teeth and side cutters worn, not sure which bucket size parts list applies
Measure the bucket width across the cutting edge before ordering. Check page 140 for the 0.035 m3 bucket at 300 mm wide, page 142 for the 0.04 m3 at 350 mm, and page 144 for the 0.05 m3 at 400 mm. Each exploded view lists teeth, side cutters, shims, plates, bolts, and nuts by item number.
Manual Section: Bucket 0.035 (300Mm Wide) p. 140Boom or bucket drifts down in neutral, need the correct cylinder seal kit part numbers
Identify which cylinder is drifting, then pull its exploded view: bucket cylinder seals are on page 209, offset cylinder on page 211, and the boom, arm, and blade cylinders on pages 205, 207, and 213. Measure the rod diameter in millimeters with calipers and match it to the parts list before ordering rod seals, piston seals, and dust seals.
Manual Section: Cyl.;Bucket p. 209Tracks loose and rollers leaking oil, cannot identify undercarriage wear part numbers for steel or rubber crawler
Check the front idler parts on page 110 and the lower roller assembly on page 116 for bushings, axles, seals, and plugs. Measure remaining grouser height in millimeters to judge shoe wear, then match your crawler type: steel track adjusters on page 112, rubber adjusters on page 114, 250G steel track-links on page 120, rubber shoes on page 122.
Manual Section: Front Idler p. 110Hydraulic functions weak and slow, need the pilot filter element and tank suction filter part numbers
Remove the pilot line filter and find its element in the exploded view on page 70. Check the suction filter, gauge, and cap in the Tank (Fuel & Oil) assembly on page 20. Measure the old element's length and outside diameter in millimeters and match them to the item numbers before ordering replacements.
Manual Section: Pilot Pipings (1) p. 70Engine hard to start, looking for fuel filter and fuel hose part numbers
Check the fuel piping exploded view on page 18 for the inline fuel filter, hoses, tube, clamps, and feed pump. Verify the fuel gauge, cap, and pickup parts on the Tank (Fuel & Oil) page 20. Measure each hose's length and inside diameter in millimeters against the parts list so you order the correct replacement lines.
Manual Section: Fuel Pipings p. 18Frequently Asked Questions
What are the replacement specifications for hydraulic filters?
The return filter cartridge for the hydraulic system is part number 4294128, and the suction filter element is part number 4317292. These are located within the hydraulic tank assembly as detailed on page 20. p. 20
What are the replacement specifications for fuel filters?
The fuel filter assembly is part number 4311000. It is located in the fuel piping system as shown on page 18. p. 18
What is the part number for the engine fan belt?
The engine fan belt is part number 4294840. It is listed as a component of the engine assembly on page 6. p. 6
What is the part number for the engine oil filter?
The engine oil filter is part number 4294841. It is listed as a component of the engine assembly on page 6. p. 6
What is the part number for the air cleaner element?
The air cleaner element is part number 4294845. It is a component of the air cleaner assembly found on page 14. p. 14
How quickly can I access this Hitachi EX20UR-2 manual after buying?
A 215-page Parts Catalog in scanned PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Can I print this Hitachi EX20UR-2 manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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