Reliable, value-priced final drive and transmission parts that fit your Cat® machine and your budget: That’s what you get when you choose Yellowmark™ drive train parts. This line-up of affordable repair and replacement options includes gears, shafts, pinions, housings, drums, hubs, carriers and more — as well as convenient kits — all developed by Caterpillar for small and medium-sized Cat construction equipment.
The Yellowmark™ parts line includes repair and replacement options that support the full line of small and medium-sized Cat® construction equipment. New machine models and parts will be added regularly.
What’s available, how they’re different and where you can buy them? We have answers. Browse our FAQs for more details about this lineup of repair and replacement parts.