Hitachi EX120-2 Hydraulic Excavator Parts Catalog

Hitachi EX120-2 Parts Catalog

• Covers the 1990– onwards Hitachi EX120-2 hydraulic excavator, including standard and N. Europe regional configurations
• Official manufacturer parts registry for the 12N machine series, documenting thousands of individual components and assemblies
• Contains 465 pages of exploded-view diagrams, part number tables, and assembly breakdowns for engine, chassis, and hydraulic systems
• Accessible from your device as soon as the order is placed
• Suitable for printing individual sections for shop-floor use
• This 465-page document serves as the master factory-grade reference for identifying parts and hardware on the EX120-2 line

Component Breakdown and Identification

The Hitachi EX120-2 parts catalog presents a structured breakdown of every system within the machine, starting with the upperstructure and undercarriage assemblies. Each section provides exploded-view drawings that clearly display the relationship between components, including bolts, washers, seals, and specialized hardware. This factory-grade parts identification reference details the 12N series frame, counterweight, and engine mounting configurations. Readers will find exhaustive lists for the pilot piping, fuel delivery lines, and control lever mechanisms specific to both standard and Northern European models.

Technical and Assembly Specifications

The catalog also documents key assembly data such as shim thicknesses and hose routing patterns for complex hydraulic circuits. Components related to the Isuzu 4BD1T engine are highlighted, alongside critical electrical parts and cab trim details. Cross-references for replaceable parts and interchangeable improved components are provided for maintenance efficiency. Every drawing links directly to the detailed tables listing specific part numbers, service codes, and required quantities. Qualified technicians and original equipment documentation remain the authoritative source for any hands-on work performed on this equipment. An official 465-page Hitachi parts catalog covering the EX120-2 excavator, documenting the 12N-series construction, documenting complete system breakdowns, assembly diagrams, and component identification for global market variants.