Drive Train Parts

Yellowmark™ Drive Train Parts

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.