Hitachi EX120-2 Hydraulic Excavator Parts Catalog

Parts diagrams and part numbers for Hitachi EX120-2 Hydraulic Excavator. Discover the components for your machine with OEM part data.

4.5starstarstarstarstar_half(4)
visibility Preview Available
Komatsu Hitachi EX120-2 Hydraulic Excavator Parts Catalog manual page preview - page 1 of 465

Sample pages from the Hitachi EX120-2 Hydraulic Excavator Parts Catalog manual

Komatsu Hitachi EX120-2 Hydraulic Excavator Parts Catalog manual preview page 1 - thumbnail
info_outline Click thumbnails to preview different pages
$15.00 (incl. VAT) Instant Download / No Shipping Fees
1 copies sold
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal

Document Details

keyboard_arrow_down
Document Number / Seller:
31212 / Sandra Stewart
File Size:
30.87 MB
File Type:
PDF
Language:
English
Pages:
465
Printable:
Yes
Category:
Excavator
Last updated / verified
Jan 5, 2026

Models Covered & Key Technical Specifications

Hitachi EX120-2 (PI2N-1-7) – Parts Catalog | Factory Grade Edition. Hitachi EX120-2 Excavator Parts Catalog Hitachi EX120-2 (Series: 12N)

  • Approved Component Breakdown: 465 pages details the comprehensive listing of all parts for the EX120-2 model.
  • Factory Component Registry: For the EX120-2, this registry provides over 30.86 MB of data.
  • Verified Part Listings: The catalog includes the Isuzu 4BD1T Diesel engine specifications as a core component.
  • Designated Part Identification: Covers standard and regional specification models, including N. EUROPE compatibility.
  • Essential System Component: Features detailed information on the hydraulic system, including main pump and swing system logic.
  • Operational Fluid Specification: The manual details all fluid capacities, such as fuel, hydraulic system, and engine oil requirements.

Manual Description & Preview

Industrial Performance Manual: Excavator Hitachi EX120-2 Hydraulic Excavator Technical Manual (PI2N-1-7) – Complete 365 P. | Factory Grade Troubleshooting-Index

Performance-Values: 465 pages // Technical-Domain: Excavator / Hydraulic System Logic // Engine-Type: Isuzu 4BD1T Diesel.

Service-Nexus Value Architecture
Part Identification Over 30.86 MB File Size Component Diagrams
Machine Specifications STD & N. EUROPE Region Compatibility System Logic Schematics
Powerplant Details Isuzu 4BD1T Diesel Engine Configuration
Fluid Capacities 250L Fuel Tank Hydraulic System Data

Repair data is categorized into:

UPPERSTRUCTURE

Wiring diagrams are provided for the "UPPERSTRUCTURE" section, detailing components like the frame and counterweight.

UNDERRCARRIAGE

Fuel system procedures are documented for the "UNDERRCARRIAGE" system, covering track frame and swing bearing assemblies.

FRONT-END ATTACHMENTS

Adjustment procedures are detailed for "FRONT-END ATTACHMENTS," including boom, arm, and bucket components.

RUBBER CRAWLER PARTS

Timing procedures are documented for "RUBBER CRAWLER PARTS," covering track frame and idler assemblies.

OPTIONAL PARTS

Technical notes are provided for "OPTIONAL PARTS," such as fuel feed pumps and double filters.

Effectively requiring all components to be listed with their respective part numbers for easy identification and ordering, this manual ensures a straightforward approach to parts management. The document also includes comprehensive information on the engine and drivetrain systems. The manual documents torque specifications for bolt and nut assemblies to ensure proper bolt stretch prevention.

FAQ

What **essential** testing parameters are outlined for component identification? keyboard_arrow_down

465 pages contain the breakdown of all components, including detailed illustrations and part numbers for the Hitachi EX120-2 Hydraulic Excavator.

Check the **correct** diagnostic procedures for serial range identification. keyboard_arrow_down

Serial Ranges of 30001 and up are covered, detailing configurations for STD and N. EUROPE regions, ensuring accurate parts lookup for specific machine builds.

What does the **documented** fluid capacity requirements specify? keyboard_arrow_down

250L for the fuel tank, 150L for the hydraulic system (with a 90L tank), and 14L for the engine oil are among the specified fluid capacities.

Reference the **precise** component identification for the Isuzu 4BD1T Diesel engine. keyboard_arrow_down

The manual provides specific part numbers and diagrams for the Isuzu 4BD1T Diesel engine, which is a 4-cylinder, turbocharged, water-cooled unit rated at approximately 88 HP (65 kW) @ 2200 RPM.

Customer Reviews

Read what our customers say about this Komatsu Excavator manual and share your own experience.