Caterpillar Patents
XT-3 Style Caterpillar Coupling This is technically a reusable fitting, however it could also be considered a press on fitting as well. This fitting is still used today by Caterpillar.
Four Spiral Hose, Sae 100R10, which was later changed to Sae 100r12. Caterpillar still produces this hose today in Illinois. It is used for the XT-3 version coupling. Hose assemblies with crimp style Cat fittings are made with fittings from Anchor Coupling and hose from Rapisarda. Both companies are owned by Caterpillar.