Technical Workshop Guide: Komatsu PC400-7,PC450-7 Excavator Service Parts Catalogue Manual
Need to fix your equipment? This professional service guide is the official resource for expert mechanics. It includes specific electrical wiring diagrams and hydraulic troubleshooting steps tailored for this specific model.
This technical documentation for the Komatsu series provides OEM specifications, torque settings, and assembly instructions.
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- Model Focus: High-resolution data for Komatsu PC400-7,PC450-7 Excavator Service Parts Catalogue Manual.
What's inside this Komatsu manual?
- Engine Overhaul
- Transmission Specs
- Hydraulic Schematics
- Electrical Diagrams
- Diagnostic Codes
- Maintenance Intervals
Komatsu PC400-7,PC450-7 Excavator Service Parts Catalogue Manual
This collection contains the following products: first of all PC400-7 and PC450-7 service manual
PC450LC-7E0 parts list Komatsu PC400-7,PC450-7 operators manual
Table of Contents
01 GENERAL 01-1
10 STRUCTURE AND FUNCTION 10-1
20 TESTING AND ADJUSTING 20-1
30 DISASSEMBLY AND ASSEMBLY 30-1
90 OTHERS 90-1
This mode handles large production by providing powerful and speedy operation, and achieves economical efficiency by
substantial reduction of fuel consumption. Komatsu PC400-7 & PC450-7 Excavator Service Repair Manual
ECONOMY MODE
Operation speed equal to that of the Active mode can be achieved when handling light duty operation while also keeping fuel consumption low.
Electronically Controlled High Power Engine Installed A 246kW (330HP) Komatsu SAA6D125E engine, is the largest in its class.
Komatsu PC400-7,PC450-7 Excavator Service Parts Catalogue Manual
Comfortable Cab
another New PC400-7’s cab volume is increased by 14%, offering an exceptionally comfortable operating environment. The large
cab enables full flat reclining of the seat back with headrest.
Pressurized Cab
The optional air conditioner, air filter and a higher internal air pressure (6.0 mm Aq 0.2″ in Aq) prevent external dust
from entering the cab.
Low Noise Design
Noise level is remarkably reduced, not only engine noise but also swing and hydraulic relief noise.
Low Vibration with Cab Damper Mounting PC400-7 uses a new, improved cab damper mount system
that incorporates a longer stroke and the addition of a spring.