Find Input Part OEM number or machinery model TOOL BAR Select model TOOL BAR Caterpillar parts: For full view, you need register 4 TOOL BAR 4 64E (1959) 4 73C (1955) 4 74C (1955) 6 TOOL BAR 6 34G (1963) 6 76C (1955) online parts diagram catalog Search for genuine and aftemarket cat parts.