KOMATSU Excavator 400-6&450-6 Service Repair Manual

The KOMATSU EXCAVATOR 400-6&450-6 Shop Manual Supplement is a valuable resource for anyone working with the PC400-6, PC400LC-6, PC450-6, and PC450LC-6 HYDRAULIC EXCAVATOR models. This manual is applicable to machines with the serial numbers PC400-6 32488 and up, PC400LC-6 32488 and up, PC450-6 12629 and up, and PC450LC-6 12629 and up.

It specifically covers information related to the PC400 Serial No. 32488 and up, and PC450 Serial No. 12629 and up. For comprehensive details on other serial numbers, please refer to the PC400, 450 Shop Manual SEBM014506.

The PC400-6 and PC450-6 models are equipped with the SAA6D125E-2 engine. For in-depth information about the engine, the 125-2 Series Engine Shop Manual should be consulted.