Part of the Hitachi Parts Manuals.
Need the exact component breakdowns for your Hitachi excavator? This 371-page Hitachi ex50u parts catalog pdf (OEM #P1AV-1-2) maps out every track-link, boom support, and hydraulic pump assembly on the machine. You get clear exploded views showing the physical relationship between components, complete with factory part numbers for rapid ordering. Open to detailed cross-references covering everything from the engine shroud and fuel piping to the 400G and 550G track-link systems. Look up the precise O-ring and valve plate numbers for the main piston pump, or identify the exact track pins and bushings needed to rebuild the undercarriage. Stop ordering the wrong parts from vague descriptions. Download the bookmarked file to your phone, walk right to the machine, and match up your parts perfectly.
What's Inside This Hitachi EX50U Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Fuel Tank, Fuel Piping | |
| Cooling System | Radiator | |
| Engine | Oil Cooler Piping, Swing Bearing, Pump;Piston Std | |
| Electrical System | Battery, Valve;Solenoid | |
| PTO | Extra Piping _PTO_ | |
| Hydraulics & 3-Point Hitch | Pump Device Std, Pump Device Air-Con, Pump Device Support, Boom Swing Cylinder, Blade Cylinder, Boom Cylinder, Arm Cylinder, Bucket Cylinder, Valve;Relief, Valve;Control, Valve;Pilot | |
| Body & Operator Station | Frame, Oil Tank, Engine Control Cable, Console _Canopy_, Console _Cab_, Console _Cab, Tops Canopy_, Console _Canopy, Cab_, Control Lever _Canopy_, Control Lever _Cab_, Control Lever _Cab, Canopy, Tops Canopy, Cab, Floor, Seat, Seat Base | |
| Decals & Accessories | Tools | |
| Other Components | Counterweight, Engine, Swing Device, Swing Post, Main Piping, Control Box, Console Box, Control Lever, Control Pedal, Lever Link Support, Lever Link, Pilot Piping, Pilot Piping _Jis-Type_, Pilot Piping _H-Type_, Electric Parts, Electrical Socket |
Hitachi EX50U Common Problems This Manual Covers
Hitachi EX50U excavator undercarriage making popping noises and throwing tracks in loose dirt.
Check the track-link assembly diagram on page 215. Identify the specific master pin and track bushing components for your machine. Cross-reference the bolt shoe and nut hardware to ensure correct fitment for your 400 mm track setup before ordering replacement parts.
Manual Section: Track-Link 400G p. 215Digging bucket side cutters sheared off and tooth lock pins missing after heavy trenching.
Inspect the bucket parts breakdown on page 257. Locate the replacement side cutter, point, and boss components in the exploded view. Verify you are using the exact 450 mm wide bucket diagram to order the correct lock pin and lock rubber hardware.
Manual Section: Bucket 0.10 (450Mm Wide) _Jis94_ p. 257Trenching bucket teeth worn completely flat and side cutters cracked down the middle.
Open the bucket parts list on page 263. Find the exact part numbers for the point, side cutter, and shim hardware. Confirm you are looking at the 600 mm wide bucket assembly to match the correct replacement pins and washers for your attachment.
Manual Section: Bucket 0.14 (600Mm Wide) _Jis94_ p. 263Frequently Asked Questions
What is the part number for the main frame of the EX50U excavator?
The main frame for the EX50U excavator is identified by part number 5006209 or 5006749, depending on the specific serial number range of the machine. p. 2
What is the part number for the engine oil filter on the EX50U?
The oil filter for the engine on the EX50U is part number 4373419. p. 6
What is the part number for the air cleaner element on the EX50U?
The primary air cleaner element is part number 4294846, and the optional inner element is part number 4311871. p. 12
What is the part number for the radiator on the EX50U?
The radiator assembly for the EX50U is part number 4390488. p. 8
What is the part number for the fuel tank on the EX50U?
The fuel tank for the EX50U is part number 4409060. p. 18
How will I receive this Hitachi EX50U Parts Catalog?
A 371-page Parts Catalog in scanned PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Am I able to print pages from this Hitachi EX50U manual?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
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