Caterpillar 446B BACKHOE LOADER HYDRAULIC SYSTEM Schematic Service Manual SGBU8189 - 02 Serial number: BWC1-Up

Serial number: BWC1-Up

Serial number: 363012001 Above

Schematic Part Number 497-8631-00

RBC10001-UP

Model: 345B II Excavator Hydraulic System (Attachment) - Ecomate

Caterpillar 446B BACKHOE LOADER HYDRAULIC SYSTEM Schematic Service Manual SGBU8189 - 02 Serial number: BWC1-UpThis is an hydraulic schematic for the equipment. It is a set of one or more very large sheets of paper, measuring 48 inches x 35 inches with color or black and white diagrams. Also, usually a description is attached to the diagrams indicating: 1) Location and numbering of components on the circuit and on the equipment, 2) fluid power symbols, 3) electrical symbols table, 4) Illustrations of equipment. This scheme is ideal for both operation and