Find Input Part OEM number or machinery model BULLDOZER Select model BULLDOZER Caterpillar parts: For full view, you need register 815 BULLDOZER 815 24K (1970) 815 59E (1977) 816 BULLDOZER 816 51K (1977) 825 BULLDOZER 825 89X (1978) 825 93G (1965) 826B BULLDOZER 826B 90K (1972) online parts diagram catalog Search for genuine and aftemarket cat parts.