Largest stock of Caterpillar hydraulic Flanges couplings in the world
Pro Couplings stock the largest supply of Caterpillar flange couplings in the world.
We stock flanges for Caterpillar models: 522B, 973D, CS74B, 345B, 325D, 289C, AP-500E, and many more. All couplings come with with free UPS shipping to UK, Europe & USA. All hydraulic pump flanges come with 12 months warranty.
